CN1168881C - Prefabricated hollow member for roof with space structure and its application - Google Patents
Prefabricated hollow member for roof with space structure and its application Download PDFInfo
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- CN1168881C CN1168881C CNB011348178A CN01134817A CN1168881C CN 1168881 C CN1168881 C CN 1168881C CN B011348178 A CNB011348178 A CN B011348178A CN 01134817 A CN01134817 A CN 01134817A CN 1168881 C CN1168881 C CN 1168881C
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- rib
- base plate
- roof
- time rib
- cavity
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Abstract
The present invention relates to a prefabricated hollow component for a space structural slab, and application thereof. The prefabricated hollow component is composed of a hollow template (1) and a cavity (2). The present invention is characterized in that the prefabricated hollow component also comprises a structural bottom plate (3) and a structural secondary rib (4), wherein the structural bottom plate (3) and the structural secondary rib (4) are connected into an inverse T-shaped integral stress component (5); an enhancing rib (6) or an enhancing mesh (7) is clamped in the inverse T-shaped integral component (5); the structural bottom plate (3) is provided with an emerging rib (8) or an emerging mesh (9), and the structural bottom plate (3) and the structural secondary rib (4) are thicker than the hollow template (1); the upper part and the side surface of the hollow template (1) are connected with the structural secondary rib (4), and the lower part of the hollow template (1) is connected with the structural bottom plate (3) so as to form a sealed integral body. The prefabricating hollow component has the characteristics of simple structure, high intensity, convenient construction and transportation, etc., and simultaneously, after being applied as a space structural slab, the prefabricating hollow component can further improve the integral performance and the shock resistance of the slab, and lighten structural dead weight.
Description
(1) technical field
The present invention relates to a kind of prefabricated hollow member for roof with space structure.
(2) background technology
Advantages such as at present, the building of brick mix structure and concrete structure major part adopts precast hollow slab as floor structure, and it is fast that this floor structure has speed of application, and cost is low.But, only use the cement mortar joint filling, thereby globality is poor, is unfavorable for antidetonation, and phenomenons such as slit cracking, infiltration often occur owing to firmly do not link between adjacent two precast hollow slabs.In order to address the above problem, a lot of building have adopted the method for Cast-in-place concrete floor (solid, hollow), though solved antidetonation and problems of crack, will use template in a large number during construction, have not only increased expense, and have slowed down speed of application, have prolonged the duration.The patent No. is " shuttering member " utility model patent of 932063101.1, it makes totally-enclosed empty stomach polyhedral structure with the sidewall and the upper and lower end, establish ribs in the die housing, because it is a kind of prefabricated noggin piece, ribs in the die housing only is used to support formwork, can not participate in the whole stressed of superstructure.Tensile region particularly, its go to the bottom and ribs by actual tensional element design.When normal the use, if stress deformation, then member easily comes off, and forms interface between Cast-in-place concrete and prefabricated formwork, and cracks, and is when particularly span is big, all the more so.Simultaneously, alternation load action, vibrating load effect, seismic loading and deflection deformation when it can not bear normal the use, and on the formwork suspender member can not be installed.At present, the practical engineering application of this member has proved and has had Interface Crack between this formwork and the steel bar concrete main rib and potential safety hazard such as may come off.Application number is " a kind of combination concrete rib floor structure " utility model patent of 00203695.9, it is made up of prefabricated plate, formwork, dark rib, upper plate, each prefabricated plate is placed at interval, on prefabricated plate, be fixed with formwork, be provided with dark rib between contiguous prefabricated thin plate or the formwork, upper plate covers on the formwork, and connects as one with dark rib.Though this floor structure can be saved a large amount of templates, accelerate construction progress, but because formwork is what to separate with prefabricated plate, and no girth member in the formwork, therefore exist formwork and prefabricated panel, dark rib, upper plate can not integral body stressed, problem such as easily break can't further improve the anti-seismic performance of floor structure, alleviates its deadweight.Therefore developing a kind of novel prefabricated cavity component in use for cover of storied building in space structure replaces in the existing superstructure formwork for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of prefabricated cavity component in use for cover of storied building in space structure, have simple in structure, characteristics such as intensity is high, convenient construction and transport, be applied to cover of storied building in space structure after, can participate in the whole stressed of floor structure, further improve the anti-seismic performance of floor structure, alleviate its deadweight.
Solution of the present invention is on the basis of existing formwork, also include structure base plate and structure time rib, structure base plate and structure time rib connects to the whole primary structure member of inverted T shape, accompany strength bar in the inverted T shape integrated member or strengthen net, the structure base plate has the muscle of revealing or reveals net, structure base plate thickness of slab and structure time rib rib is thick thick greater than the evacuated mould wooden partition, and it is whole that time rib binding of cavity template top, side and structure, bottom and structure base plate link common formation sealing.Like this, owing on the prior art basis, increased the whole primary structure member of inverted T shape that structure base plate and structure time rib connects to, and base plate has the muscle of revealing or reveals net, therefore, prefabricated cavity component in use for cover of storied building in space structure intensity is compared formwork and is improved greatly, and simple in structure, construction, convenient transportation.
Feature of the present invention is that also structure time rib has the muscle of revealing or dew net to stretch out the top board or the side plate of cavity template or stretch out its top board and side plate simultaneously.
Feature of the present invention also is to make part or whole groove at structure time position, rib place along the cavity template, and groove is the equal-width groove or the groove that broadens.
Feature of the present invention also is to have in the groove dew muscle that structure time rib stretches out or reveals net, reveals muscle or reveal net to be hidden in the groove or curved lying prostrate in groove.
Feature of the present invention is that also structure time rib protrudes the top board or the side plate of cavity template, perhaps protrude its top board and side plate simultaneously, perhaps local or all protrude from groove, perhaps be implied in the cavity template wooden partition or the cavity template is inboard and link with the cavity template.
Feature of the present invention is that also structure time rib has a slice, two, three or multi-disc in cavity, is provided with that direction is parallel to each other, quadrature or oblique.
Feature of the present invention is that also the structure base plate flushes with the side plate lateral surface of cavity template or stretches out the formation bridging piece, or interior puncture angle, stretch out and in contract partly for local or all, choose outward and in the back outer edge that contracts be straight line or curve.
Feature of the present invention is that also the structure base plate is protruding with ribs, and reinforcing bar stretches out from structure base plate or ribs.
Feature of the present invention also is structure time rib both sides, and the increase structure time rib rigidity of protrusion, the ribs of intensity are arranged.
Feature of the present invention is that also ribs is positioned at structure time rib bottom and other position, and bottom stiffener pastes the big ribs in the end greater than the ribs at other position and form inverted T shape.
Feature of the present invention is that also structure time rib both sides are useful on the template of structure time rib moulding, and template is dismountable or do not remove, and the template of not tearing open and structure time rib constitutes the inferior rib of iterative structure jointly; Perhaps template and cavity template are prefabricated into one, constitute the structure time empty die cavity of rib moulding, and have the hole on the cavity template between two templates, pour into concrete by this hole, constitute cast-in-place iterative structure time rib with two templates.
Feature of the present invention is that also structure time rib leaves the hole or do not box out; The formation plate muscle structure time rib in the hole of running through structure time rib both sides, pure muscle structure time rib, girder rib structure time rib, plate hole structure time rib, loop configuration time rib are arranged, contain the formation hollow-core construction time rib of hollow hole in structure time rib inside; The formation plated construction of atresia time rib, plate muscle structure time rib, board slot structure time rib.
Feature of the present invention is that also the structure base plate has the tension locating structure that connects template, and locating structure is draw ring, drag hook, iron wire or other device.
Feature of the present invention is that also the strength bar in structure time rib, the structure base plate is respectively reinforcing bar, steel wire, prestressed reinforcement, compressor wire, steel fibre, fibre, bundle, strengthens net and is respectively steel mesh reinforcement, gauze wire cloth, fleece etc.
Feature of the present invention is that also reinforcing bar or the steel mesh in structure time rib, the structure base plate do not reveal muscle or do not reveal net, but be reserved with the tie point that reveals muscle, reveals net, reveal muscle, reveal and stretch out structure time rib and structure base plate after net connects through welding, overlap joint, screwed connection, compression sleeve.
Feature of the present invention also is in cavity template, structure base plate, the structure time rib enhancing carcass is arranged, strengthening carcass is silk, muscle slender member, or the cloth and the net of silk, the braiding of muscle slender member or weaving, or the gluing cloth of nonwoven, net, or combination more than two kinds, strengthen carcass silk, muscle and be disorderly to or directed dispersed placement, the rare close degree of silk, the muscle of braid, yarn fabric, nonwoven, tow or muscle bundle is variation or indeclinable.
Feature of the present invention also is at cavity partly or entirely filling or foamed plastic pasting, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool or glass wool.
Feature of the present invention is that also the structure base plate is square, rectangle, circle, hexagon or other shape; The flat shape of cavity die shape is square, rectangle, circle, hexagon or other shape; The profile of prefabricated cavity member forms different face shapings by difform structure base plate and difform cavity template combination with one another.
Feature of the present invention is that also the appearance and size of prefabricated cavity member is ascending gradually changing; The thick end of rib of the thickness of slab of the structure base plate of prefabricated cavity member, structure time rib is relatively large, and thickness carries out the transition to the other end from large to small gradually.
Feature of the present invention is that also structure base plate, structure time rib are steel bar concrete, steel mesh reinforcement concrete, gauze wire cloth concrete, polymer steel bar concrete or wire mesh mortar etc., the cementitious materials of cavity template is cement, cement mortar, polymer cement, alkali slag cement, ground caustic coal ash cement, sulphate aluminium cement, ferrous aluminate cement, magnesia oxychloride cement, high alumina cement, organic resin glue or combinations thereof, and cavity template, structure base plate, structure time rib are made with above-mentioned same material or different materials.
When feature of the present invention is that also structure base plate and structure time rib are steel bar concrete, each composition material weight of its concrete is cement 15%-25%, sand 20%-30%, stone 40%-55%, UEA expansion agent 3%-5%, FDN high efficiency water reducing agent 0.1%-0.5%, PP fiber 0.01%-1%, CS early strength admixture 0.1%-0.5%, water is an amount of.
When feature of the present invention is that also structure base plate and structure time rib are the wire mesh mortar moulding, each composition material weight of mortar is cement 20%-40%, sand 60%-70%, UEA expansion agent 3%-5%, the efficient composite water-reducing agent 0.1%-0.6% of XN, FC polypropylene complex emulsions 1%-3%, CS early strength admixture 0.2%-0.5%, water is an amount of.
After a kind of prefabricated hollow member for roof with space structure of the present invention is applied to cover of storied building in space structure, its feature also is also to include Cast-in-place concrete main rib, upper plate, the whole primary structure member of the inverted T shape that structure base plate in the prefabricated cavity member and structure time rib forms combines formation with upper plate I-shaped, Cast-in-place concrete main rib and upper plate, structure base plate form I-shaped, and both form cast-in-place main rib and prefabricated the I-shaped staggered dark close rib building roof of rib each other.This spline structure time rib fellowship structure base plate, dark beam, upper plate stressed has improved the stress performance of superstructure, thereby has further improved globality, the shock resistance of superstructure, has further alleviated dead load, has solved problems of the prior art.
Feature of the present invention also is in the cast-in-situ reinforced concrete main rib reinforcing bar is arranged, and reinforcing bar is cold-rolled forming section or channel-section steel or i shaped steel or other Steel section member.
Feature of the present invention also be clod wash shape steel reinforcing bar be C type, L type,
Type, U type.
Feature of the present invention also is in the cast-in-situ reinforced concrete main rib prestressed reinforcement is arranged.
Feature of the present invention is that also the structure base plate of beam and superstructure between intercolumniation beam or wall is on same plane.
Feature of the present invention also is the structure base plate of beam protrusion superstructure between intercolumniation beam or wall.
(4) description of drawings
Fig. 1 is the structural representation of embodiments of the invention 1, and structure base plate 3 has the muscle of revealing 8 simultaneously and reveals net 9.
Fig. 2 is the structural representation that embodiments of the invention 1 are applied to cover of storied building in space structure.The Cast-in-place concrete main rib is 19 in the superstructure, and upper plate is 20.
Fig. 3 is the structural representation of embodiments of the invention 2, and structure time rib 4 is extended with respectively from cavity template 1 in two different directions and reveals muscle 8 or reveal net 9.
Fig. 4 is the structural representation that embodiments of the invention 2 are applied to cover of storied building in space structure.
Fig. 5 is the structural representation of embodiments of the invention 3, side structure time position, rib 4 place fluted 10 around cavity template 1.
Fig. 6 is the structural representation that embodiments of the invention 3 are applied to cover of storied building in space structure.
Fig. 7 is the structural representation of embodiments of the invention 4, and whole grooves 10 have been made at time position, rib 4 place of the structure on cavity template 1.
Fig. 8 is the structural representation that embodiments of the invention 4 are applied to cover of storied building in space structure.
Fig. 9 is the structural representation of embodiments of the invention 5, for the direction at the structure time position, rib 4 place of the top board of cavity template 1 has wide groove 10, have the muscle 8 of revealing to be hidden in the groove 10 simultaneously, and structure base plate 3 has clad steel silk screen 9.
Figure 10 is the structural representation that embodiments of the invention 5 are applied to cover of storied building in space structure.
Figure 11 is the structural representation of embodiments of the invention 6, for the direction at the structure time position, rib 4 place of the top board of cavity template 1 has the trapezoidal groove 10 that broadens, has the net 9 of revealing hidden in groove 10 simultaneously, and wherein structure time rib 4 all protrudes from groove 10.
Figure 12 is the structural representation that embodiments of the invention 6 are applied to cover of storied building in space structure.
Figure 13 is the structural representation of embodiments of the invention 7, and structure time rib 4 protrudes the top board and the side plate of cavity template 1, and the muscle 8 of revealing is arranged.
Figure 14 is the structural representation that embodiments of the invention 7 are applied to cover of storied building in space structure.
Figure 15 is the structural representation of embodiments of the invention 8, and structure time rib 4 is implied in the inboard of cavity template 1 and links with cavity template 1.
Figure 16 is the structural representation that embodiments of the invention 8 are applied to cover of storied building in space structure.
Figure 17 is the structural representation of embodiments of the invention 9, and structure time rib 4 has seen that from a direction two are and are arranged in parallel.
Figure 18 is the structural representation that embodiments of the invention 9 are applied to cover of storied building in space structure.
Figure 19 is the structural representation that the structure time rib 4 of embodiments of the invention 10 is the cross quadrature arrangement.
Figure 20 is the structural representation that embodiments of the invention 10 are applied to cover of storied building in space structure.
Figure 21 is that the structure time rib 4 of embodiments of the invention 11 is the structural representation that the M shape oblique is arranged.
Figure 22 is the structural representation that embodiments of the invention 11 are applied to cover of storied building in space structure.
Figure 23 is the structural representation of embodiments of the invention 12, and structure base plate 3 stretches out from cavity template 1, and extension constitutes bridging piece 11.
Figure 24 is the structural representation that embodiments of the invention 12 are applied to cover of storied building in space structure.
Figure 25 is the structural representation of embodiments of the invention 13, and structure base plate 3 is puncture angle 12 in the cavity template has for 1 time.
Figure 26 is the structural representation of embodiments of the invention 14, and outer edge is the waveform curve after structure base plate 3 outer the choosing.
Figure 27 is the structural representation that embodiments of the invention 14 are applied to cover of storied building in space structure.
Figure 28 is the structural representation of embodiments of the invention 15, and the ribs 13 of protrusion is arranged on the structure base plate 3, reveals muscle 8 and stretches out from structure base plate 3.
Figure 29 is the structural representation that embodiments of the invention 15 are applied to cover of storied building in space structure.
Figure 30 is the structural representation of embodiments of the invention 16, and there is the ribs 14 of protrusion structure time rib 4 both sides.
Figure 31 is the structural representation that embodiments of the invention 16 are applied to cover of storied building in space structure.
Figure 32 is the structural representation of embodiments of the invention 17, and ribs 14 is positioned at structure time rib 4 bottoms, big ribs at the bottom of the subsides of formation inverted T shape.
Figure 33 is the structural representation that embodiments of the invention 17 are applied to cover of storied building in space structure.
Figure 34 is the structural representation of embodiments of the invention 18, and structure time rib 4 both sides are useful on the template 15 of structure time rib 4 moulding, and it has constituted structure time rib 4 moulding with empty die cavity 16, and has hole 17 on the cavity template 1 between two templates 15.
Figure 35 is the structural representation that embodiments of the invention 18 are applied to cover of storied building in space structure.
Figure 36 is the structural representation of embodiments of the invention 19, and structure time rib 4 is porose plate muscle structure time rib.
Figure 37 is the structural representation that embodiments of the invention 19 are applied to cover of storied building in space structure.
Figure 38 is the structural representation of embodiments of the invention 20, and structure time rib 4 is the plate muscle structure time rib of atresia.
Figure 39 is the structural representation of embodiments of the invention 21, and structure time rib 4 is a trussed construction time rib, and structure base plate 3 has drag hook shape locating structure 18.
Figure 40 is the structural representation that embodiments of the invention 21 are applied to cover of storied building in space structure.
Figure 41 is the structural representation of embodiments of the invention 22, and structure time rib 4 is that trussed construction time rib and hollow-core construction time rib intersect layout, and structure base plate 3 has draw ring shape locating structure 18.
Figure 42 is the structural representation that embodiments of the invention 22 are applied to cover of storied building in space structure.
Figure 43 is the structural representation of embodiments of the invention 23, and structure time rib 4 is a hollow-core construction time rib 4, and is the groined type layout.
Figure 44 is the structural representation that embodiments of the invention 23 are applied to cover of storied building in space structure.
Figure 45 is the structural representation of embodiments of the invention 24, and structure base plate 3 has the ribs 13 of protrusion, reveals muscle 8 and stretches out from ribs 13.
Figure 46 is the structural representation of embodiments of the invention 25, and the reinforcing bar in structure time rib 4, the structure base plate 3 does not reveal muscle 8, but is reserved with the tie point that reveals muscle 8.
Figure 47 is the structural representation of embodiments of the invention 26, fills or be pasted with light material in the cavity 2 of cavity template 1.
Figure 48 is the structural representation that embodiments of the invention 26 are applied to cover of storied building in space structure.
Figure 49 is the structural representation of embodiments of the invention 27, and the structure base plate 3 and the cavity template 1 of prefabricated cavity member are the collocation that rectangle is carried out, and its profile is a cuboid.
Figure 50 is the structural representation that embodiments of the invention 27 are applied to cover of storied building in space structure.
Figure 51 is the structural representation of embodiments of the invention 28, and the structure base plate 3 and the cavity template 1 of prefabricated cavity member are the collocation that hexagon carries out, and its profile is the hexagon polyhedron.
Figure 52 is the structural representation that embodiments of the invention 28 are applied to cover of storied building in space structure.
Figure 53 is another structural representation that embodiments of the invention 28 are applied to cover of storied building in space structure.
Figure 54 is the structural representation of embodiments of the invention 29, and the structure base plate 3 of prefabricated cavity member and cavity template 1 are respectively rectangle and have an area of the collocation that taper is carried out, and its profile is circumference awl polyhedron.
Figure 55 is the structural representation that embodiments of the invention 29 are applied to cover of storied building in space structure.
Figure 56 is the structural representation of embodiments of the invention 30, and the appearance and size of prefabricated cavity member is from left to right changed from small to big, and the rib of its structure time rib 4 is from large to small thick.
Figure 57 is the structural representation that embodiments of the invention 30 are applied to cover of storied building in space structure.
Figure 58 is the structural representation of embodiments of the invention 31, and the appearance and size of prefabricated cavity member is from left to right changed from small to big, and the thickness of slab of its structure base plate 3 from large to small.
Figure 59 is the structural representation that embodiments of the invention 31 are applied to cover of storied building in space structure.
Figure 60 is the structural representation of embodiments of the invention 32, and the rib of its structure time rib 4 is thick from left to right from large to small.
Figure 61 is the structural representation that embodiments of the invention 32 are applied to cover of storied building in space structure.
Figure 62 is the embodiment that I shape reinforcing bar 21 is arranged in the Cast-in-place concrete main rib in the structure space superstructure of the present invention.
Figure 63 is the embodiment that prestressed reinforcement 22 is arranged in the Cast-in-place concrete main rib in the cover of storied building in space structure of the present invention.
Figure 64 is the embodiment that U type clod wash shape reinforcing bar 21 is arranged in the Cast-in-place concrete main rib in the cover of storied building in space structure of the present invention.
Figure 65 is the schematic diagram that intercolumniation beam 23 protrudes the structure base plate 3 of superstructure.
Figure 66 is the schematic diagram that beam 24 protrudes the structure base plate 3 of superstructure between wall.
(5) specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
The present invention as shown in Figure 1, form by cavity template 1 and cavity 2, it is characterized in that also including structure base plate 3 and structure time rib 4, structure base plate 3 and structure time rib 4 links the whole primary structure member 5 of formation inverted T shape, accompany strength bar 6 in the inverted T shape integrated member 5 or strengthen net 7, structure base plate 3 has the muscle 8 of revealing or reveals net 9, structure base plate 3 thicknesss of slab and structure time rib 4 ribs are thick in cavity template 1 wall thickness, and it is whole that time rib 4 bindings of cavity template 1 top, side and structure, bottom and structure base plate 3 link common formation sealing.As shown in Figure 1, structure base plate 3 accompanies strength bar 6 simultaneously or strengthens net 7, and stretches out simultaneously and reveal muscle 8 and reveal net 9.Fig. 2 is the structural representation that embodiments of the invention 1 are applied to cover of storied building in space structure.The Cast-in-place concrete main rib is 19 in the superstructure, and upper plate is 20.
Feature of the present invention is that also structure time rib 4 has the muscle 8 of revealing or dew net 9 to stretch out the top board or the side plate of cavity template 1 or stretch out its top board and side plate simultaneously.As shown in Figure 3, reveal muscle 8 or reveal net 9 for structure time rib 4 stretches out respectively from cavity template 1 at two different directions.Fig. 4 is the structural representation that embodiments of the invention 2 are applied to cover of storied building in space structure.
Feature of the present invention also is to make part or whole groove 10 at structure time position, rib 4 place along cavity template 1, and groove 10 is the equal-width groove or the groove that broadens.Fig. 5 is side structure time position, rib 4 place fluted 10 around cavity template 1.Fig. 6 is the structural representation that embodiments of the invention 3 are applied to cover of storied building in space structure.Fig. 7 has made whole grooves for the structure time position, rib 4 place in cavity template 1.Fig. 8 is the structural representation that embodiments of the invention 4 are applied to cover of storied building in space structure.Fig. 9 is that a direction at the structure time position, rib 4 place of the top board of cavity template 1 has wide groove 10.Figure 10 is the structural representation that embodiments of the invention 5 are applied to cover of storied building in space structure.Figure 11 is that a direction at the structure time position, rib 4 place of the top board of cavity template 1 has the trapezoidal groove 10 that broadens.Figure 12 is the structural representation that embodiments of the invention 6 are applied to cover of storied building in space structure.
Feature of the present invention also is to have in the groove 10 the dew muscle 8 that structure time rib 4 stretches out or reveals net 9, reveals muscle 8 or reveal net 9 to be hidden in the groove 10 or curved lying prostrate in groove 10.Fig. 9, Figure 11 are respectively to be had the muscle 8 of revealing and reveals net 9 in the groove 10, and is hidden in respectively in the groove 10.
Feature of the present invention is that also structure time rib 4 protrudes the top board or the side plate of cavity template 1, perhaps protrude its top board and side plate simultaneously, perhaps local or all protrude from groove 10, perhaps be implied in cavity template 1 wooden partition or cavity template 1 is inboard and link with cavity template 1.Fig. 6 is that structure time rib 4 all protrudes from groove 10, and Figure 13 is that structure time rib 4 protrudes top board and a kind of rhyme scheme in Chinese operas serving as the prelude to a complete score for voices of cavity template 1, and the muscle 8 of revealing is arranged.Figure 14 is the structural representation that embodiments of the invention 7 are applied to cover of storied building in space structure.Figure 15 is implied in the inboard of cavity template 1 for structure time rib 4 and links with cavity template 1.Figure 16 is the structural representation that embodiments of the invention 8 are applied to cover of storied building in space structure.
Feature of the present invention is that also structure time rib 4 has a slice, two, three or multi-disc in cavity 2, is provided with that direction is parallel to each other, quadrature or oblique.Figure 17 is arranged in parallel for structure time rib 4 is in a direction.Figure 18 is the structural representation that embodiments of the invention 9 are applied to cover of storied building in space structure.Figure 19 is the cross quadrature arrangement for structure time rib 4.Figure 20 is the structural representation that embodiments of the invention 10 are applied to cover of storied building in space structure.Figure 21 arranges for structure time rib 4 is the M shape oblique.Figure 22 is the structural representation that embodiments of the invention 11 are applied to cover of storied building in space structure.
Feature of the present invention is also that structure base plate 3 flushes with the side plate lateral surface of cavity template 1 or stretches out and constitutes bridging piece 11, or interior puncture angle 12, stretch out and in contract partly for local or all, choose outward and in the back outer edge that contracts be straight line or curve.Figure 23 constitutes bridging piece 11 for structure base plate 3 stretches out from cavity template 1.Figure 24 is the structural representation that embodiments of the invention 12 are applied to cover of storied building in space structure.Figure 25 is structure base plate 3 puncture angle 12 in the cavity template has for 1 time.Figure 26 is the waveform curve for choosing outer edge outside the structure base plate 13.Figure 27 is the structural representation that embodiments of the invention 14 are applied to cover of storied building in space structure.
Feature of the present invention is that also the structure base plate is protruding with ribs 13, and reinforcing bar stretches out from structure base plate 3 or ribs 13.Figure 28 reveals muscle 8 and stretches out from structure base plate 3 for the ribs 13 of protrusion is arranged on the structure base plate 3; Figure 29 is the structural representation that embodiments of the invention 15 are applied to cover of storied building in space structure.Figure 45 stretches out from ribs 13 for revealing muscle 8.
Feature of the present invention also is structure time rib 4 both sides, and the increase structure time rib rigidity of protrusion, the ribs 14 of intensity are arranged.Figure 30 has the ribs 14 of protrusion for structure time rib 4 both sides.Figure 31 is the structural representation that embodiments of the invention 16 are applied to cover of storied building in space structure.
Feature of the present invention is that also ribs 14 is positioned at structure time rib 4 bottoms and other position, and bottom stiffener 14 pastes the big ribs 14 in the end greater than the ribs 14 at other position and form inverted T shape.Figure 32 forms the big ribs 14 in the inverted T shape subsides end for ribs 14 is positioned at structure time rib 4 bottoms.Figure 33 is the structural representation that embodiments of the invention 17 are applied to cover of storied building in space structure.
Feature of the present invention is that also structure time rib 4 both sides are useful on the template 15 of structure time rib 4 moulding, and template 15 is dismountable or do not remove, and the template 15 of not tearing open and structure time rib 4 be common to constitute iterative structures time ribs; Perhaps template 15 is prefabricated into one with cavity template 1, constitutes structure time rib 4 moulding with empty die cavity 16, and have hole 17 on the cavity template 1 between two templates, pours into concrete by this hole, constitutes the inferior rib of cast-in-place iterative structure with two templates 15.Figure 34 is useful on the template 15 of structure time rib 4 moulding for structure time rib 4 both sides, it has constituted structure time rib 4 moulding with empty die cavity 16, and on the cavity template 1 between two templates, have hole 17, pour into concrete and the cast-in-place iterative structure of two templates, 15 formations time rib by hole 17.Figure 35 is the structural representation that embodiments of the invention 18 are applied to cover of storied building in space structure.
Feature of the present invention is that also structure time rib 4 leaves the hole or do not box out; The formation plate muscle structure time rib in the hole of running through structure time rib 4 both sides, pure muscle structure time rib, girder rib structure time rib, plate hole structure time rib, loop configuration time rib are arranged, contain the formation hollow-core construction time rib of hollow hole in structure time rib 4 inside; The formation plated construction of atresia time rib, plate muscle structure time rib, board slot structure time rib.Figure 36 is that structure time rib 4 is porose plate muscle structure time rib.Figure 37 is the structural representation that embodiments of the invention 19 are applied to cover of storied building in space structure.Figure 38 is the plate muscle structure time rib of atresia.Figure 39 is a trussed construction time rib.Figure 40 is the structural representation that embodiments of the invention 21 are applied to cover of storied building in space structure.Figure 41 is that trussed construction time rib and hollow-core construction time rib 4 intersect layout.Figure 42 is the structural representation that embodiments of the invention 22 are applied to cover of storied building in space structure.Figure 43 arranges for hollow-core construction time rib 4 is groined type.Figure 44 is the structural representation that embodiments of the invention 23 are applied to cover of storied building in space structure.
Feature of the present invention is that also structure base plate 3 has the tension locating structure 18 that connects template, and locating structure 18 is draw ring, drag hook, iron wire or other device.Figure 39 is a drag hook shape locating structure 18, and Figure 41 is a draw ring shape locating structure 18.
Feature of the present invention is that also the strength bar 6 in structure time rib 4, the structure base plate 3 is respectively reinforcing bar, steel wire, prestressed reinforcement, compressor wire, steel fibre, fibre, bundle, strengthens net and is respectively steel mesh reinforcement, gauze wire cloth, fleece etc.
Feature of the present invention is that also reinforcing bar or the steel mesh in structure time rib 4, the structure base plate 3 do not reveal muscle 8 or do not reveal net 9, but be reserved with the tie point that reveals muscle 8, reveals net 9, reveal muscle 8, reveal and stretch out structure time rib 4 and structure base plate 3 after net 9 connects through welding, overlap joint, screwed connection, compression sleeve.Figure 46 does not reveal muscle 8 for the reinforcing bar in structure time rib 4, the structure base plate 3, but is reserved with the situation of the tie point that reveals muscle 8.
Feature of the present invention also is in cavity template 1, structure base plate 3, the structure time rib 4 the enhancing carcass is arranged, strengthening carcass is silk, muscle slender member, or the cloth and the net of silk, the braiding of muscle slender member or weaving, or the gluing cloth of nonwoven, net, or combination more than two kinds, strengthen carcass silk, muscle and be disorderly to or directed dispersed placement, the rare close degree of silk, the muscle of braid, yarn fabric, nonwoven, tow or muscle bundle is variation or indeclinable.
Feature of the present invention also is at cavity 2 partly or entirely filling or foamed plastic pasting, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool or glass wool.Fill or be pasted with light material in the cavity 2 of Figure 47 for cavity template 1.Figure 48 is the structural representation that embodiments of the invention 26 are applied to cover of storied building in space structure.
Feature of the present invention is that also structure base plate 3 is square, rectangle, circle, hexagon or other shape; The flat shape of cavity template 1 profile is square, rectangle, circle, hexagon or other shape; The profile of prefabricated cavity member forms different face shapings by difform structure base plate 3 and difform cavity template 1 combination with one another.Figure 49 is the collocation that rectangle is carried out for the structure base plate 3 and the cavity template 1 of prefabricated cavity member, and its profile is a cuboid.Figure 50 is the structural representation that embodiments of the invention 27 are applied to cover of storied building in space structure.Figure 51 is the collocation that hexagon carries out for the structure base plate 3 and the cavity template 1 of prefabricated cavity member, and its profile is the hexagon polyhedron.Figure 52 is the structural representation that embodiments of the invention 28 are applied to cover of storied building in space structure.Figure 53 is another structural representation that embodiments of the invention 28 are applied to cover of storied building in space structure.Figure 54 is respectively rectangle and has an area of the collocation that taper is carried out for the structure base plate 3 and the cavity template 1 of prefabricated cavity member, and its profile is circumference awl polyhedron.Figure 55 is the structural representation that embodiments of the invention 29 are applied to cover of storied building in space structure.
Feature of the present invention is that also the appearance and size of prefabricated cavity member is ascending gradually changing; The thick end of rib of the thickness of slab of the structure base plate 3 of prefabricated cavity member, structure time rib 4 is relatively large, and thickness carries out the transition to the other end from large to small gradually.Figure 56 from left to right changes from small to big for the appearance and size of prefabricated cavity member, and the rib of its structure time rib 4 is from large to small thick.Figure 57 is the structural representation that embodiments of the invention 30 are applied to cover of storied building in space structure.Figure 58 from left to right changes from small to big for the appearance and size of prefabricated cavity member, and the thickness of slab of its structure base plate 3 from large to small.Figure 59 is the structural representation that embodiments of the invention 31 are applied to cover of storied building in space structure.Figure 60 is that the rib of structure time rib 4 is thick from left to right from large to small.Figure 61 is the structural representation that embodiments of the invention 32 are applied to cover of storied building in space structure.
Feature of the present invention is that also structure base plate 3, structure time rib 4 are steel bar concrete, steel mesh reinforcement concrete, gauze wire cloth concrete, polymer steel bar concrete or wire mesh mortar etc., the cementitious materials of cavity template 1 is cement, cement mortar, polymer cement, alkali slag cement, ground caustic coal ash cement, sulphate aluminium cement, ferrous aluminate cement, magnesia oxychloride cement, high alumina cement, organic resin glue or combinations thereof, and cavity template 1, structure base plate 3, the structure time above-mentioned same material of rib 4 usefulness or different materials are made.
When feature of the present invention also is structure base plate 3 and structure time rib 4 for steel bar concrete, each composition material weight of its concrete is cement 15%-25%, sand 20%-30%, stone 40%-55%, UEA expansion agent 3%-5%, FDN high efficiency water reducing agent 0.1%-0.5%, PP fiber 0.01%-1%, CS early strength admixture 0.1%-0.5%, water is an amount of.
When feature of the present invention also is structure base plate 3 and structure time rib 4 for the wire mesh mortar moulding, each composition material weight of mortar is cement 20%-40%, sand 60%-70%, UEA expansion agent 3%-5%, the efficient composite water-reducing agent 0.1%-0.6% of XN, FC polypropylene complex emulsions 1%-3%, CS early strength admixture 0.2%-0.5%, water is an amount of.
After a kind of prefabricated hollow member for roof with space structure of the present invention is applied to cover of storied building in space structure, its feature also is also to include Cast-in-place concrete main rib 19, upper plate 20, the whole primary structure member 5 of the inverted T shape that structure base plate 3 in the prefabricated cavity member and structure time rib 4 forms combines formation with upper plate 20 I-shaped, Cast-in-place concrete main rib 19 and upper plate 20, structure base plate 3 form I-shaped, and both form cast-in-place main rib and prefabricated the I-shaped staggered dark close rib building roof of rib each other.As shown in Figure 2.
Feature of the present invention is that also reinforcing bar 21 is arranged in the cast-in-situ reinforced concrete main rib, reinforcing bar 21 is cold-rolled forming section or channel-section steel or i shaped steel or other Steel section member.Figure 62 is the embodiment that I shape reinforcing bar 21 is arranged in the Cast-in-place concrete main rib in the cover of storied building in space structure of the present invention.
Feature of the present invention also be clod wash shape steel reinforcing bar 21 for C type, L type,
Type, U type.Figure 64 is the embodiment that U type clod wash shape reinforcing bar 21 is arranged in the Cast-in-place concrete main rib in the cover of storied building in space structure of the present invention.
Feature of the present invention is that also prestressed reinforcement 22 is arranged in the cast-in-situ reinforced concrete main rib.Figure 63 is the embodiment that prestressed reinforcement 22 is arranged in the Cast-in-place concrete main rib in the cover of storied building in space structure of the present invention.
Feature of the present invention is that also the structure base plate 3 of beam between intercolumniation beam 23 or wall 24 and superstructure is on same plane.Fig. 4 be intercolumniation beam 23 with structure base plate 3 on same plane.Fig. 5 be between wall beam 24 and structure base plate 3 on same plane.
Feature of the present invention also is the structure base plate 3 of beam 24 protrusion superstructures between intercolumniation beam 23 or wall.Figure 65 is the schematic diagram that intercolumniation beam 23 protrudes the structure base plate 3 of superstructure.Figure 66 is the schematic diagram that beam 24 protrudes the structure base plate 3 of superstructure between wall.
During the invention process, can be earlier be prefabricated into the whole primary structure member 5 of inverted T shape that structure base plate 3 and structure time rib 4 connect to steel bar concrete, steel mesh reinforcement concrete or gauze wire cloth concrete, and the muscle 8 of revealing is arranged on structure base plate 3 or reveal net 9, available bases slag cements or sulphate aluminium cement are that the fibrous cement paste of cementitious materials is made the cavity template 1 as the accompanying drawing required form then, can form holistic prefabricated cavity component in use for cover of storied building in space structure.Prefabricated cavity member is placed on the bracing frame, roll the reinforcing bar of Cast-in-place concrete main rib 19 and upper plate 20, pour concrete through the certain hour maintenance, is removed bracing frame and is promptly formed cover of storied building in space structure.
Claims (27)
1, a kind of prefabricated hollow member for roof with space structure, it is made up of cavity template (1) and cavity (2), it is characterized in that also including structure base plate (3) and structure time rib (4), structure base plate (3) and structure time rib (4) links the whole primary structure member (5) of formation inverted T shape, accompany strength bar (6) in the inverted T shape integrated member (5) or strengthen net (7), structure base plate (3) has dew muscle (8) or reveals net (9), structure base plate (3) thickness of slab and structure time rib (4) rib is thick in cavity template (1) wall thickness, cavity template (1) top, side and structure time rib (4) links, bottom and structure base plate (3) link the common sealing integral body that constitutes.
2, a kind of prefabricated hollow member for roof with space structure according to claim 1 is characterized in that structure time rib (4) has dew muscle (8) or dew net (9) to stretch out the top board or the side plate of cavity template (1) or stretch out its top board and side plate simultaneously.
3, a kind of prefabricated hollow member for roof with space structure according to claim 1 is characterized in that making part or whole groove (10) at structure time rib (4) position, place along cavity template (1), and groove (10) is the equal-width groove or the groove that broadens.
4, a kind of prefabricated hollow member for roof with space structure according to claim 3, it is characterized in that having in the groove (10) the dew muscle (8) that structure time rib (4) stretches out or reveal net (9), reveal muscle (8) or reveal net (9) and be hidden in the groove (10) or curved lying prostrate in groove (10).
5, according to claim 1 or 2 described a kind of prefabricated hollow member for roof with space structure, it is characterized in that structure time rib (4) protrudes the top board or the side plate of cavity template (1), perhaps protrude its top board and side plate simultaneously, perhaps local or all protrude from groove (10), perhaps be implied in cavity template (1) wooden partition or cavity template (1) is inboard and link with cavity template (1).
6, according to claim 1 or 2 described a kind of prefabricated hollow member for roof with space structure, it is characterized in that structure time rib (4) has a slice, two, three or multi-disc in cavity (2), be provided with that direction is parallel to each other, quadrature or oblique.
7, a kind of prefabricated hollow member for roof with space structure according to claim 1, it is characterized in that structure base plate (3) flushes with the side plate lateral surface of cavity template (1) or stretches out constitutes bridging piece (11), or interior puncture angle (12), stretch out and in contract partly for local or all, choose outward and in the back outer edge that contracts be straight line or curve.
8, a kind of prefabricated hollow member for roof with space structure according to claim 1 is characterized in that the structure base plate is protruding with ribs (13), and reinforcing bar stretches out from structure base plate (3) or ribs (13).
9, according to claim 1,2,3 or 4 described a kind of prefabricated hollow member for roof with space structure, it is characterized in that structure time rib (4) both sides, the increase structure time rib rigidity of protrusion, the ribs (14) of intensity are arranged.
10, a kind of prefabricated hollow member for roof with space structure according to claim 9, it is characterized in that ribs (14) is positioned at structure time rib (4) bottom and other position, bottom stiffener (14) pastes the big ribs in the end (14) greater than the ribs (14) at other position and form inverted T shape.
11, according to claim 1 or 2 described a kind of prefabricated hollow member for roof with space structure, it is characterized in that structure time rib (4) both sides are useful on the template (15) of structure time rib (4) moulding, template (15) is dismountable or do not remove, and the template of not tearing open (15) constitutes iterative structure time rib jointly with structure time rib (4); Perhaps template (15) is prefabricated into one with cavity template (1), constitute structure time rib (4) moulding with empty die cavity (16), and on the cavity template (1) between two templates, have hole (17), and pour into concrete by this hole, constitute cast-in-place iterative structure time rib with two templates (15).
12, according to claim 1 or 2 described a kind of prefabricated hollow member for roof with space structure, it is characterized in that structure base plate (3) has the tension locating structure (18) that connects template, locating structure (18) is draw ring, drag hook, iron wire.
13, a kind of prefabricated hollow member for roof with space structure according to claim 1, it is characterized in that the strength bar (6) in structure time rib (4), the structure base plate (3) is respectively reinforcing bar, steel wire, prestressed reinforcement, compressor wire, steel fibre, fibre, bundle, strengthens net and is respectively steel mesh reinforcement, gauze wire cloth, fleece.
14, a kind of prefabricated hollow member for roof with space structure according to claim 13, it is characterized in that reinforcing bar or steel mesh in structure time rib (4), the structure base plate (3) do not reveal muscle (8) or do not reveal net (9), but be reserved with the tie point that reveals muscle (8), reveals net (9), reveal muscle (8), reveal and stretch out structure time rib (4) and structure base plate (3) after net (9) connects through welding, overlap joint, screwed connection, compression sleeve.
15, a kind of prefabricated hollow member for roof with space structure according to claim 1, it is characterized in that in cavity template (1), structure base plate (3), the structure time rib (4) the enhancing carcass being arranged, strengthening carcass is silk, muscle slender member, or the cloth and the net of silk, the braiding of muscle slender member or weaving, or the gluing cloth of nonwoven, net, or combination more than two kinds, strengthen carcass silk, muscle and be disorderly to or directed dispersed placement, the rare close degree of silk, the muscle of braid, yarn fabric, nonwoven, tow or muscle bundle is variation or indeclinable.
16,, it is characterized in that at cavity (2) partly or entirely filling or foamed plastic pasting, expanded perlite, expanded vermiculite, foaming or aerated light concrete, rock wool, mineral wool or glass wool according to claim 1 or 2 described a kind of prefabricated hollow member for roof with space structure.
17,, it is characterized in that structure base plate (3) is square, rectangle, circle, hexagon or other shape according to claim 1 or 2 described a kind of prefabricated cavity component in use for cover of storied building in space structure; The flat shape of cavity template (1) profile is square, rectangle, circle, hexagon or other shape; The profile of prefabricated cavity member forms different face shapings by difform structure base plate (3) and difform cavity template (1) combination with one another.
18, according to claim 1 or 2 described a kind of prefabricated hollow member for roof with space structure, the appearance and size that it is characterized in that prefabricated cavity member is ascending gradually changing; The thick end of rib of the thickness of slab of the structure base plate (3) of prefabricated cavity member or structure time rib (4) is relatively large, and thickness carries out the transition to the other end from large to small gradually.
19, according to claim 1 or 2 described a kind of prefabricated hollow member for roof with space structure, it is characterized in that structure base plate (3), structure time rib (4) is a steel bar concrete, the steel mesh reinforcement concrete, the gauze wire cloth concrete, polymer steel bar concrete or wire mesh mortar, the cementitious materials of cavity template (1) is a cement, cement mortar, polymer cement, alkali slag cement, the ground caustic coal ash cement, sulphate aluminium cement, ferrous aluminate cement, magnesia oxychloride cement, high alumina cement, organic resin glue or combinations thereof, cavity template (1), structure base plate (3), structure time rib (4) is made with above-mentioned same material or different materials.
20, a kind of prefabricated hollow member for roof with space structure according to claim 19, when it is characterized in that structure base plate (3) and structure time rib (4) for steel bar concrete, each composition material weight of its concrete is cement 15%-25%, sand 20%-30%, stone 40%-55%, UEA expansion agent 3%-5%, FDN high efficiency water reducing agent 0.1%-0.5%, PP fiber 0.01%-1%, CS early strength admixture 0.1%-0.5%, water is an amount of.
21, a kind of prefabricated hollow member for roof with space structure according to claim 19, when it is characterized in that structure base plate (3) and structure time rib (4) for the wire mesh mortar moulding, each composition material weight of mortar is cement 20%-40%, sand 60%-70%, UEA expansion agent 3%-5%, the efficient composite water-reducing agent 0.1%-0.6% of XN, FC polypropylene complex emulsions 1%-3%, CS early strength admixture 0.2%-0.5%, water is an amount of.
22, a kind of prefabricated hollow member for roof with space structure according to claim 1, it is characterized in that also including Cast-in-place concrete main rib (19), upper plate (20), the whole primary structure member of inverted T shape (5) that structure base plate (3) in the prefabricated cavity member and structure time rib (4) forms combines formation with upper plate (20) I-shaped, Cast-in-place concrete main rib (19) and upper plate (20), structure base plate (3) form I-shaped, and both form cast-in-place main rib and prefabricated the I-shaped staggered dark close rib building roof of rib each other.
23, a kind of prefabricated hollow member for roof with space structure according to claim 22 is characterized in that reinforcing bar (21) is arranged in the cast-in-situ reinforced concrete main rib, reinforcing bar (21) is cold-rolled forming section or channel-section steel or i shaped steel or other Steel section member.
24, a kind of prefabricated hollow member for roof with space structure according to claim 23 is characterized in that clod wash shape steel reinforcing bar (21) is C type, L Xing, Shang type, U type.
25, a kind of prefabricated hollow member for roof with space structure according to claim 22 is characterized in that prestressed reinforcement (22) is arranged in the cast-in-situ reinforced concrete main rib.
26, a kind of prefabricated hollow member for roof with space structure according to claim 22, the structure base plate (3) that it is characterized in that beam (24) and superstructure between intercolumniation beam (23) or wall is on same plane.
27, a kind of prefabricated hollow member for roof with space structure according to claim 22 is characterized in that beam (24) between intercolumniation beam (23) or wall protrudes the structure base plate (3) of superstructure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011348178A CN1168881C (en) | 2001-11-15 | 2001-11-15 | Prefabricated hollow member for roof with space structure and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011348178A CN1168881C (en) | 2001-11-15 | 2001-11-15 | Prefabricated hollow member for roof with space structure and its application |
Publications (2)
| Publication Number | Publication Date |
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| CN1366118A CN1366118A (en) | 2002-08-28 |
| CN1168881C true CN1168881C (en) | 2004-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB011348178A Expired - Fee Related CN1168881C (en) | 2001-11-15 | 2001-11-15 | Prefabricated hollow member for roof with space structure and its application |
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| CN (1) | CN1168881C (en) |
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| CN100458073C (en) * | 2003-10-01 | 2009-02-04 | 邱则有 | Shuttering member |
| CN1807799B (en) * | 2003-10-01 | 2010-05-05 | 邱则有 | Shuttering component |
| CN1807797B (en) * | 2003-10-01 | 2010-04-07 | 邱则有 | Shuttering member |
| CN100441809C (en) * | 2003-10-01 | 2008-12-10 | 邱则有 | a formwork member |
| CN100408787C (en) * | 2003-10-01 | 2008-08-06 | 邱则有 | a formwork member |
| CN100434628C (en) * | 2003-10-01 | 2008-11-19 | 邱则有 | a formwork member |
| CN101144313B (en) * | 2003-10-21 | 2012-11-28 | 湖南邱则有专利战略策划有限公司 | Cavity form component |
| CN1776158B (en) * | 2004-11-15 | 2010-05-26 | 邱则有 | Cavity member for hollow slab |
| CN101851974B (en) * | 2004-11-19 | 2011-11-16 | 湖南邱则有专利战略策划有限公司 | Prefabricated part for thistle boards |
| CN100458063C (en) * | 2004-11-22 | 2009-02-04 | 邱则有 | Precast member for reinforcing bar concrete |
| CN100588803C (en) * | 2005-01-14 | 2010-02-10 | 邱则有 | Reinforced concrete light board |
| CN101942877B (en) * | 2010-08-27 | 2012-02-08 | 建科机械（天津）股份有限公司 | Formwork trusses with honeycomb structure |
| CN104088386A (en) * | 2014-07-25 | 2014-10-08 | 陈风平 | Cast-in-situ concrete filling component |
| CN105220805A (en) * | 2015-10-14 | 2016-01-06 | 山东隆和节能科技股份有限公司 | The superimposed sheet base plate of steel bar girder and embedded bar truss |
| CN106351375B (en) * | 2016-10-21 | 2020-08-18 | 王本淼 | Stress island assembled cavity floor |
| CN106368360B (en) * | 2016-10-21 | 2020-08-18 | 王本淼 | Assembled cavity plate for forming bidirectional stress floor |
| CN106368378A (en) * | 2016-10-21 | 2017-02-01 | 王本淼 | Fabricated type cavity board for stress island cavity floor system |
| CN110670779A (en) * | 2019-08-28 | 2020-01-10 | 郭春来 | Assembled building floor |
| CN110453812A (en) * | 2019-08-28 | 2019-11-15 | 郭春来 | A new building assembly structure |
| CN113585580A (en) * | 2021-06-28 | 2021-11-02 | 宁波工程学院 | Prefabricated cavity component for spatial structure floor and spatial structure floor |
-
2001
- 2001-11-15 CN CNB011348178A patent/CN1168881C/en not_active Expired - Fee Related
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|---|---|
| CN1366118A (en) | 2002-08-28 |
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