CN1789608B - Hollow reinforced concrete slab - Google Patents

Abstract

Disclosed is a reinforced-bar concrete hollow slab, which comprises a reinforced-bar concrete (1) and hollow blank members (2), the hollow blank members (2) are enclosed in the reinforced-bar concrete (1), and are arranged alternatively, cast-in-situ reinforced-bar concrete rib (3) is arranged between them, the outer walls (4) of the hollow blank members (2) enclose a cavity (5), characterized in that the hollow blank members (2) are provided with a locking member (6), the locking member (6) comprises a self-locking hole (7) and a self-locking strip or belt (8), the locking member (6) is anchored in the hollow blank member (2) with an anchoring member (9) or connected with the anchoring members (9) anchored in the hollow blank member (2). As a result, during the construction of the reinforced-bar concrete hollow slab, the hollow blank members are easy to be positioned and fixed. The invention can be applied to cast-in-situs reinforced concrete or prestressed reinforcement concrete's hollow boards, hollow building covers, house roofings, walls, foundation bedplates and bridges.

Description

A reinforced concrete hollow slab

(1) Technical field

The invention relates to a reinforced concrete hollow slab.

(2) Background technology

At present, the cast-in-place concrete hollow floor is a widely used floor structure. The lightweight permanent tire molds filled in it include various hollow tubes and boxes, and the boxes are hollow or solid. For example, the patent No. ZL99249798.1, which the applicant applied for on November 29, 1999, is a utility model patent named "fiber-reinforced thin-walled member for reinforced concrete filling", which discloses a thin-walled formwork member, including an upper plate, The surrounding side walls, the lower bottom, and the upper plate, the surrounding side walls and the lower bottom form a polyhedral cavity. Another example is that the patent No. is ZL00203695.9, and the name is called "combined concrete hidden rib floor slab" utility model patent, which discloses a formwork member in its specification, which can be solid or hollow, and its shape can be According to design requirements, it can be made into rectangle, circle, polygon and other shapes. However, during the construction of this cast-in-place concrete floor, the layout of the formwork components is inconvenient, and misalignment tends to occur horizontally or vertically, which affects the construction quality of the hollow floor and affects the construction efficiency. Therefore, develop a kind of novel reinforced concrete hollow slab for being badly in need of.

(3) Contents of the invention

The object of the present invention is to provide a reinforced concrete hollow slab, which has the characteristics of convenient construction, high efficiency and good construction quality.

The solution of the present invention is based on the prior art, including reinforced concrete, hollow carcass, the hollow carcass is wrapped in the reinforced concrete, a plurality of hollow carcass are arranged alternately, and there are cast-in-place reinforced concrete ribs between each other. The hollow carcass is a hollow carcass surrounded by an outer wall to form a cavity, which is characterized in that the hollow carcass is provided with a locking member, and the locking member includes a self-locking hole and a self-locking strip or strip, The locking piece is anchored in the hollow carcass by the anchoring member, or the locking piece is connected with the anchoring member anchored in the hollow carcass. In this way, since the hollow carcass is provided with a locking piece, the locking piece includes a self-locking hole and a self-locking strip or strip, and the locking piece is anchored in the hollow carcass by the anchor member or the locking piece is anchored in the hollow carcass. The anchor components in the body are connected, and the hollow carcass is locked and fixed on the formwork or the steel bar through the locking parts. Therefore, during the construction of the reinforced concrete hollow slab, the hollow carcass is easy to locate and fix, and it is not easy to cause misalignment and affect the reinforced concrete. The construction quality of the hollow slab is high, and the construction efficiency is also high at the same time, thereby better solving the problems existing in the prior art and achieving the purpose of the present invention. It is suitable for hollow slabs and floors of cast-in-place reinforced concrete or prestressed reinforced concrete , roofs, walls, foundation slabs and hollow bridges, especially for hollow beamless floors.

The present invention is also characterized in that the locking member is a one-way locking member that can only advance but not retreat after the self-locking strip or strip is inserted into the self-locking hole. In this way, after the self-locking part bypasses the anchoring parts such as steel bars in the hollow plate and penetrates into the self-locking hole, it only needs to be tightened and locked, and it can be locked firmly without using other fastening methods, which is very convenient The anti-floating positioning of the hollow carcass is guaranteed, the anti-floating positioning process is simple and reliable, and the construction speed is extremely fast.

The present invention is also characterized in that the self-locking hole is fixed on the self-locking strip or strip. In this way, when the self-locking hole is fixed on the self-locking bar or strip, all parts of the locking part are together, which facilitates the locking operation, reduces the material loss of the locking part, and reduces the material cost.

The present invention is also characterized in that the self-locking hole is fixed on the hollow carcass. In this way, the self-locking hole and the hollow carcass form a whole, the anchoring is strengthened, and it can provide a large anchoring force, which can fully meet the needs of anti-floating positioning, and the length of the self-locking strip or strip can be selected according to the needs , which greatly facilitates the application operation.

The present invention is also characterized in that said self-locking strip or strip is fixed on the hollow carcass. In this way, the self-locking strips or strips are fixed on the hollow carcass, and the strips or strips are not easy to fall off, which can easily anchor the anti-floating position and prevent left and right displacement.

The present invention is also characterized in that the self-locking strip or strip is a split independent strip. In this way, according to the strength of the anti-floating positioning and the difference in actual conditions, self-locking strips or belts of different strengths can be selected to meet the needs, without waste, and the cost is reduced.

The present invention is also characterized in that said self-locking holes are integrated with self-locking strips or straps. In this way, the self-locking holes and self-locking strips or strips are not easy to separate, and they are all configured as a set, which greatly facilitates use, and a set of self-locking parts will not fall due to a self-locking hole or self-locking strip or strip The scrapping reduces the waste of materials, reduces the cost, and correspondingly reduces the construction cost of the hollow slab.

The invention is also characterized in that said self-locking strip or strip has a strip necking. In this way, the strip can be torn off at the constricted joint very conveniently, which is beneficial to subsequent construction and improves work efficiency.

The invention is also characterized in that said self-locking hole is movable through the self-locking strip or strap. In this way, the self-locking holes are movable through the self-locking strips or strips, which facilitates the locking of component parts of various sizes, and at the same time, the anchoring height can be adjusted to meet the application needs of various situations.

The present invention is also characterized in that the self-locking hole and the self-locking strip or strip are separated. In this way, the self-locking hole and the self-locking strip or strip are separated, which facilitates the locking of various anchoring parts of different sizes, and at the same time, the anchoring height can be adjusted to meet the needs of various applications.

The present invention is also characterized in that a locking piece is arranged on the side outer wall or the bottom outer wall of the hollow carcass. In this way, the steel bars on the side and bottom of the hollow carcass can be locked to prevent the hollow carcass from floating up, and the construction is more convenient.

The present invention is also characterized in that a cantilevered rib spacing width limiting member is arranged on the side outer wall of the hollow carcass. In this way, after the cantilevered rib spacing width limiting parts are arranged on the side outer wall of the hollow carcass, the rib spacing width limiting parts can effectively ensure that the width of the hidden ribs in the hollow slab is consistent with the designed width. , the rib spacing width limiting piece can also play the role of supporting the inter-rib reinforcement and positioning the reinforcement, so that the upper reinforcement of the concealed rib will not fall to the lower part of the concealed rib, thus effectively ensuring the stability of the cast-in-place concrete hollow slab. Pour quality.

The present invention is also characterized in that the outer wall of the hollow carcass is provided with a reinforcing bar pad or pad. In this way, the pads or spacers of the steel bars provided on the outer wall of the hollow carcass can make the steel bars in the hollow slabs overhead, so that a suitable distance can be maintained between the steel bars in the hollow slabs and the hollow carcass. Ensure that the steel bars are completely wrapped by the cast-in-place concrete, so as to ensure that the holding force between the steel bars and the cast-in-place concrete is uniform and uniform, and ensure the quality of the cast-in-place concrete hollow slab; at the same time, it can also prevent the steel bars from rusting; The setting makes the laying of the steel bars more convenient, which can greatly facilitate the construction and application of the hollow carcass.

The present invention is also characterized in that the hollow carcass is a polyhedron. In this way, when the hollow carcass is a polyhedron, it is convenient to manufacture, and it is easy to realize mechanized mass production; if the hollow carcass is a regular polyhedral hollow carcass, it can more fully meet the use requirements of various regular-designed floors. At the same time, those skilled in the art can also produce and use irregular polyhedral hollow carcass with variable diameter or special shape according to the requirements to meet the use requirements in different situations and to facilitate the application.

The present invention is also characterized in that the hollow carcass is a hexahedron. In this way, when the hollow carcass is a hexahedron, it is convenient to manufacture and realize mechanized mass production; if the hollow carcass is a regular hexahedral hollow carcass, it can more fully meet the use requirements of various regular-designed floors. At the same time, those skilled in the art can also produce and use irregular diameter-reducing or irregular hexahedral hollow carcass according to requirements to meet the use requirements in different situations, so as to facilitate the application.

The present invention is also characterized in that at least one of the outer wall or the locking member is provided with a reinforcement. The reinforcement is at least one of steel bars, steel wires, steel meshes, steel wire meshes, metal thin strips, organic thin strips, fiber strips, fiber filaments, fiber nets, short fibers, and fiber mesh cloth. In this way, the strength of the outer wall or locking member provided with reinforcements is greatly improved, and the diversity of reinforcements facilitates the selection of materials, which is conducive to reducing the cost of the hollow carcass and correspondingly reduces the construction cost of the hollow slab.

The invention is also characterized in that the reinforcements in said outer wall or locking member are connected to each other. In this way, after the reinforcements in the outer wall or the locking member are connected to each other, the integrity of the hollow carcass can be greatly improved, making it difficult to crack, and at the same time, the loss rate of the hollow carcass can be greatly reduced, and the construction cost can be reduced.

The present invention is also characterized in that the reinforcement is exposed outside the hollow carcass and bonded with the cast-in-place concrete to form a whole. In this way, the combination of the exposed reinforcement of the hollow carcass and the cast-in-place concrete can greatly improve the bond strength between the hollow carcass and the cast-in-place concrete, make up for the strength loss of the joint interface between the cast-in-place and prefabrication, and help improve the strength of the hollow slab. Mechanical properties and overall performance.

The feature of the present invention is that the hollow carcass is further provided with at least one of arc corners, chamfers, inner corners, grooves, pits and holes. In this way, when the structure needs local reinforcement, arc corners, chamfers, inner corners, grooves, pits, holes and other parts can be combined with cast-in-place concrete to locally strengthen the structure and make the structure more reasonable; , chamfers, inner corners, grooves, pits, holes and other parts are also convenient for the layout of various pipelines, which is conducive to reducing the construction cost of hollow slabs.

The present invention is also characterized in that at least one surface of the outer wall of the hollow carcass is provided with cross-shaped or well-shaped or Pozi-shaped grooves. In this way, when the hollow carcass is applied to the hollow slab, after the cast-in-place concrete is poured into the groove, a cast-in-place cross or well-shaped or rice-shaped concrete reinforcing rib is formed, and the cross-shaped reinforcing rib strengthens the cast-in-place concrete on the upper part of the hollow carcass. Concrete thin slabs and well-shaped reinforcing ribs can greatly improve the bearing capacity of the cast-in-place concrete slabs on the upper part of the hollow carcass, and the rice-shaped reinforcing ribs make the cast-in-place concrete slabs on the upper part of the hollow carcass form a multi-directional structure that can transmit stress in eight directions , they can effectively improve the strength and stiffness of the hollow slab.

The present invention is also characterized in that reinforcements are arranged in the cavity. In this way, the strength and rigidity of the hollow carcass can be greatly improved due to the reinforcements provided in the cavity, and it is not easy to be damaged during transportation and construction. At the same time, it can also participate in the force bearing and transmission of the hollow plate.

The present invention is also characterized in that the reinforcing member is a prefabricated hollow rod, the two ports of the hollow rod communicate with the outside of the outer wall to form a connected hole, and the cast-in-place concrete enters the hole to form a superimposed structure with the hollow rod. Lever. In this way, since there are connected holes formed on the hollow carcass, concrete can be poured in during the construction process to form a reinforcement that combines cast-in-place and prefabrication, which can greatly enhance the strength and rigidity of the reinforcement, and at the same time, can participate in the construction of the hollow slab Stress and force transmission improve the mechanical properties of the hollow plate; in addition, the reinforcement is a hollow reinforcement, which can greatly reduce the weight of the hollow carcass and facilitate transportation and construction.

The present invention is also characterized in that the groove provided on the hollow carcass communicates with the hole of the pouring port of the hollow bar. In this way, when the concrete is poured, the combination of the formed cast-in-place concrete reinforcement and the cast-in-place concrete reinforcement in the hollow carcass can greatly improve the mechanical properties of the hollow slab, making the structure of the hollow slab stronger and more reasonable, and the overall structure of the hollow slab Performance is better.

The present invention is also characterized in that the outer wall is a tire wall of a flat plate, an arc plate, a folded plate, a corrugated plate or a combination thereof. In this way, when the outer wall is a flat plate, the production of the hollow carcass is convenient, and the fluidity of the concrete on its outer surface is good; if it is an arc plate, the hollow plate using its hollow carcass can form a continuous arch-shaped force-bearing structure, and it is effective While improving the hollow rate inside the hollow slab, the joint area between the outer wall and the cast-in-place concrete can be greatly increased, so that the hollow carcass and the cast-in-place concrete can be integrated into a whole, which can effectively improve the integrity of the hollow slab.

The present invention is also characterized in that the outer wall of the hollow carcass is provided with at least one movable and detachable connecting cover plate, or reinforcements are exposed on the cover plate and bonded with cast-in-place concrete to form a whole. In this way, the detachable connection cover plate or the cover plate exposed to the reinforcement can be set to facilitate the inspection of its internal structure during construction, and facilitate the layout of pipelines or other prefabricated parts such as switch boxes, wire boxes, stiffeners, stiffeners, etc. The combination of the exposed reinforcement on it and the cast-in-place concrete can make it have better gripping force, and after construction, its integrity is better. When the reinforcement is exposed from the connecting cover plate, the bonding strength between it and the cast-in-situ concrete can be greatly improved.

The present invention is also characterized in that the connecting cover plate is provided with a connecting piece matching the connection of the hollow carcass. In this way, the connecting piece matched with the hollow carcass can be provided to quickly and conveniently join or disassemble the cover plate; when pouring concrete in place, it can effectively prevent the concrete from flowing into the inner cavity of the hollow carcass. The connecting parts can be ferrules, bolts, male and female grooves, sockets, sawtooth parts, etc.

The present invention is also characterized in that the bottom surface of the hollow carcass protrudes outwards from the pick plate, and the pick plate is provided with a locking piece, and the bottom surface of the hollow carcass is flush with the bottom surface of the reinforced concrete hollow plate. In this way, the pick board can replace the formwork in the construction process, which can save a lot of manpower and material resources, save the assembly and disassembly process of the formwork, improve the construction speed and reduce the construction difficulty.

The present invention is also characterized in that the hollow carcass is provided with at least one of a junction box, an electrical conduit, an air pipe or a water pipe. In this way, the junction box and water and electricity pipelines can be arranged very conveniently, and the air ducts arranged in the hollow carcass can also save the building space occupied by the peripheral air ducts, so that the effective use space of the building can be improved, and the setting of the water pipes can be easily concealed. Water, saving the space for pipeline layout, making the layout of fire water pipes safer and more convenient.

The present invention is also characterized in that part or all of the cavity of the hollow carcass is filled with lightweight materials. Lightweight materials can be foamed plastics, expanded perlite, expanded vermiculite, foamed or air-entrained lightweight concrete, and the like. In this way, the thermal insulation, heat insulation and sound insulation performance of the hollow board can be greatly improved.

The present invention is also characterized in that the hollow carcass is provided with boss modules. In this way, according to the design requirements, the unstressed concrete part in the hollow slab can be replaced by the boss module, which can reduce the weight of the hollow slab and reduce the cost of the hollow slab.

The present invention is also characterized in that the boss module is fixed on the hollow carcass by bonding, welding, riveting, socket, ferrule or bolt connection, or the boss module and the hollow carcass are integrally formed as a whole. In this way, the boss module can be connected to the carcass in various ways, making it easy to manufacture and more convenient to use.

The present invention is also characterized in that the outer wall of the hollow carcass is provided with a laminated layer of strip-shaped or plate-shaped lightweight materials. In this way, after the strip-shaped or plate-shaped lightweight material lamination layer is set on the outer wall of the hollow carcass, grooves or pits or pits can be made on the strip-shaped or plate-shaped lightweight material according to different situations and requirements of actual applications. It can greatly facilitate the embedding of pipelines, steel bars and various embedded parts in the process of construction and application without damaging the hollow carcass.

The present invention is also characterized in that more than two hollow carcass can be joined together to form a unidirectional, bidirectional or multidirectional tire mold assembly. In this way, the conjoined hollow carcass can make the construction simpler, the construction speed faster, the structure lighter, and the design easier.

The present invention is also characterized in that the hollow carcass is provided with protruding connectors. In this way, after the protruding connectors are provided on the hollow carcass, it is convenient to connect the hollow carcass and other components or steel bars that need to be connected with it, especially when the hollow carcass is applied to cast-in-place concrete. When it is in the hollow plate, it can greatly facilitate the construction and fully meet the requirements of different users.

The present invention is also characterized in that the hollow carcass is provided with supporting feet. In this way, the hollow carcass is provided with supporting feet, which can position the thickness of the cast-in-place concrete layer and prevent the hollow carcass from floating up.

The present invention is also characterized in that the supporting feet are fixed feet or movable feet. In this way, if the supporting feet are fixed feet, the integrity between the supporting feet and the hollow carcass is better, which is more convenient for construction; if the supporting feet are movable feet, the construction speed of the hollow slab can be greatly improved, and at the same time, it is convenient to carry and not easy to damage feet.

The present invention is also characterized in that the movable support feet are split feet. In this way, when the supporting feet are split feet, the supporting feet are disassembled before being installed in the cast-in-situ hollow concrete hollow slab, which facilitates the production, stacking, transportation and application of the hollow carcass, and ensures the reliability of the supporting feet.

The present invention is also characterized in that the support feet are mortar hard feet, concrete feet or plastic feet. In this way, it is convenient for design and construction units to choose, which is conducive to reducing the cost of the hollow carcass and correspondingly reducing the construction cost of the hollow slab.

The present invention is also characterized in that hidden beams or/and exposed beams are arranged in the reinforced concrete hollow slab. In this way, the mechanical properties of the reinforced concrete hollow slab are better. When the reinforced concrete hollow slab is provided with open beams, it is beneficial to strengthen the local stress-increased area in the reinforced concrete hollow slab; when a concealed beam is provided, the mechanical properties of the reinforced concrete hollow slab can also be enhanced, and at the same time, The hidden beam is hidden inside the reinforced concrete hollow slab, does not affect the appearance of the external structure of the reinforced concrete hollow slab, does not occupy the usable space of the building when used, and can effectively improve the usable space of the building.

(4) Description of drawings

Fig. 1 is a schematic structural diagram of Embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of Embodiment 2 of the present invention.

Fig. 3 is a schematic structural diagram of Embodiment 3 of the present invention.

Fig. 4 is a schematic structural diagram of Embodiment 4 of the present invention.

Fig. 5 is a schematic structural diagram of Embodiment 5 of the present invention.

Fig. 6 is a schematic structural diagram of Embodiment 6 of the present invention.

Fig. 7 is one of the structural schematic diagrams of the hollow carcass in the embodiment of the present invention.

Fig. 8 is the second schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 9 is the third schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 10 is the fourth schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 11 is the fifth schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 12 is the sixth schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 13 is the seventh schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 14 is the eighth schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 15 is the ninth schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 16 is the tenth schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 17 is the eleventh schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 18 is the twelveth schematic view of the hollow carcass structure in the embodiment of the present invention.

Fig. 19 is the thirteenth schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 20 is the fourteenth schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 21 is the fifteenth schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 22 is the sixteenth schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 23 is the seventeenth schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 24 is the eighteenth schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 25 is the nineteenth schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 26 is the twentieth schematic view of the hollow carcass structure in the embodiment of the present invention.

Fig. 27 is the twenty-first schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 28 is the twenty-second schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 29 is the twenty-third schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 30 is the twenty-fourth schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 31 is the twenty-fifth schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 32 is the twenty-sixth schematic view of the hollow carcass structure in the embodiment of the present invention.

Fig. 33 is the twenty-seventh schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 34 is the twenty-eighth schematic view of the hollow carcass structure in the embodiment of the present invention.

Fig. 35 is the twenty-ninth schematic view of the hollow carcass structure in the embodiment of the present invention.

Fig. 36 is the thirty-thirtieth schematic view of the hollow carcass structure in the embodiment of the present invention.

Fig. 37 is the thirty-first schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 38 is the thirty-second schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 39 is the thirty-third schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 40 is the thirty-fourth schematic view of the hollow carcass structure in the embodiment of the present invention.

Fig. 41 is the thirty-fifth schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 42 is the thirty-sixth schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 43 is the thirty-seventh schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 44 is the thirty-eighth schematic view of the hollow carcass structure in the embodiment of the present invention.

Fig. 45 is the thirty-ninth schematic view of the hollow carcass structure in the embodiment of the present invention.

Fig. 46 is the fortieth schematic view of the hollow carcass structure in the embodiment of the present invention.

Fig. 47 is the forty-first schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 48 is the forty-second schematic diagram of the hollow carcass structure in the embodiment of the present invention.

Fig. 49 is one of the structural schematic diagrams of the locking member in the embodiment of the present invention.

Fig. 50 is the second structural schematic diagram of the locking member in the embodiment of the present invention.

(5) Specific implementation methods

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

As shown in the accompanying drawings, the present invention includes a reinforced concrete 1 and a hollow carcass 2. The hollow carcass 2 is wrapped in the reinforced concrete 1. A plurality of hollow carcasses 2 are arranged alternately, and there are cast-in-place reinforced concrete ribs 3 between them. The hollow carcass 2 is a hollow carcass surrounded by an outer wall 4 to form a cavity 5, which is characterized in that the hollow carcass 2 is provided with a locking member 6, and the locking member 6 includes a self-locking hole 7 and a self-locking hole 7. The locking strip or strip 8 and the locking piece 6 are anchored in the hollow carcass 2 by the anchoring member 9 or the locking piece 6 is connected with the anchoring member 9 anchored in the hollow carcass 2 . In the drawings, 1 is reinforced concrete, 2 is hollow carcass, 3 is cast-in-place reinforced concrete rib, 4 is outer wall, 5 is cavity, 6 is locking piece, 7 is self-locking hole, 8 is self-locking Tight bar, 9 is anchor member, and among following each accompanying drawing, numbering is identical, and its description is identical. As shown in Figure 1, the cast-in-place reinforced concrete hollow slab includes a reinforced concrete 1 and a hollow carcass 2, the hollow carcass 2 is wrapped in the reinforced concrete 1, and a plurality of hollow carcasses 2 are arranged alternately, and each other is cast-in-place The reinforced concrete rib 3, the hollow carcass 2 is a hollow carcass surrounded by the outer wall 4 to form a cavity 5, the hollow carcass 2 is provided with a locking piece 6, and the locking piece 6 includes a self-locking hole 7 and a self-locking hole The tightening strip 8 and the locking piece 6 are anchored in the hollow carcass 2 by the anchoring member 9 or the locking piece 6 is connected with the anchoring member 9 anchored in the hollow carcass 2 . Figures 1, 2, 3, 4, 5 and 6 are schematic diagrams of the application of the hollow carcass 2 shown in Figure 7 in reinforced concrete 1.

The present invention is also characterized in that the locking member 6 is a one-way locking member that can only advance but not retreat after the self-locking strip or strip 8 is inserted into the self-locking hole 7 . As shown in FIG. 8 , the locking member 6 is a one-way locking member that can only advance but not retreat after the self-locking strip 8 penetrates into the self-locking hole 7 .

The present invention is also characterized in that said self-locking hole 7 is fixed on a self-locking strip or strip 8 . As shown in FIG. 9 , the self-locking hole 7 is fixed on the self-locking strip 8 .

The present invention is also characterized in that the self-locking hole 7 is fixed on the hollow carcass 2 . As shown in FIGS. 8 , 47 , and 48 , the self-locking holes 7 described above are fixed on the hollow carcass 2 .

The present invention is also characterized in that said self-locking strips or strips 8 are fixed on the hollow carcass 2 . As shown in FIGS. 10 and 44 , its self-locking strip 8 is fixed on the hollow carcass 2 .

The present invention is also characterized in that the self-locking strip or strip 8 is a split independent strip. As shown in FIG. 8 , the self-locking strip 8 is a split independent strip.

The present invention is also characterized in that said self-locking holes 7 are integrated with self-locking strips or strips 8 . As shown in FIG. 9 , the self-locking hole 7 and the self-locking strip 8 are integrated.

The invention is also characterized in that said self-locking strip or strip 8 has a strip necking 10 . As shown in FIG. 11 , there is a strip necking joint 10 on the self-locking strip 8 .

The present invention is also characterized in that said self-locking holes 7 are movable through self-locking strips or straps 8 . As shown in FIG. 11 , the self-locking hole 7 is movable on the self-locking strip 8 .

The present invention is also characterized in that the self-locking hole 7 and the self-locking strip or strip 8 are separated. As shown in FIG. 12 , the self-locking hole 7 and the self-locking bar 8 are separated.

The present invention is also characterized in that a locking member 6 is arranged on the side outer wall 4 or the bottom outer wall 4 of the hollow carcass 2 . As shown in FIG. 12 , a locking member 6 is provided on the side outer wall 4 of the hollow carcass 2 .

The present invention is also characterized in that the side outer wall 4 of the hollow carcass 2 is provided with a cantilevered rib spacing width limiting member 11 . As shown in FIG. 13 , a cantilevered rib spacing width limiting member 11 is provided on the side outer wall 4 of the hollow carcass 2 .

The present invention is also characterized in that the outer wall 4 of the hollow carcass 2 is provided with a reinforcing bar pad 12 or a spacer 13 . As shown in FIG. 14 , the outer wall 4 of the hollow carcass 2 is provided with a pad 12 of steel bars, and as shown in FIG. 15 , a spacer 13 is provided on the outer wall 4 of the hollow carcass 2 .

The present invention is also characterized in that the hollow carcass 2 is a polyhedron. As shown in Fig. 14, the hollow carcass 2 is a polyhedron.

The present invention is also characterized in that the hollow carcass 2 is a hexahedron. As shown in Fig. 15, the hollow carcass 2 is a hexahedron.

The present invention is also characterized in that at least one of the outer wall 4 or the locking member 6 is provided with a reinforcement 14 . As shown in FIG. 16 , reinforcements 14 are provided in the outer wall 4 .

The invention is also characterized in that said reinforcements 14 in the outer wall 4 or in the locking element 6 are connected to each other. As shown in Figure 16, the reinforcements 14 in the outer wall 4 are connected to each other.

The present invention is also characterized in that the reinforcement 14 is exposed outside the hollow carcass 2 and bonded with cast-in-place concrete to form a whole. As shown in Fig. 17, the reinforcement 14 is exposed outside the hollow carcass 2 and bonded with the cast-in-place concrete to form a whole.

The feature of the present invention is that the hollow carcass 2 is further provided with at least one of arc corners 15 , chamfers 16 , inner corners 17 , grooves 18 , pits 19 and holes 20 . As shown in FIG. 18 , arc angles 15 , grooves 18 , pits 19 and holes 20 are also provided on the hollow carcass 2 .

The present invention is also characterized in that at least one surface of the outer wall 4 of the hollow carcass 2 is provided with a groove 18 in the shape of a cross, a square or a square. As shown in FIG. 19 , the outer wall 4 of the hollow carcass 2 is provided with well-shaped grooves 18 .

The present invention is also characterized in that the cavity 5 is provided with a reinforcement 21 . As shown in FIG. 20 , the cavity 5 is provided with a reinforcement 21 .

The present invention is also characterized in that the reinforcing member 21 is a prefabricated hollow rod, and the two ports of the hollow rod communicate with the outside of the outer wall 4 to form a connected hole 20. The cast-in-place concrete enters the hole 20 and forms a joint with the hollow rod. Folded rods. As shown in Figure 21, the reinforcing member 21 is a prefabricated hollow rod, and the two ports of the hollow rod communicate with the outside of the outer wall 4 to form a connected hole 20. The cast-in-place concrete enters the hole 20 and can be connected with the hollow The rods form a stacked rod.

The present invention is also characterized in that the groove 18 provided on the hollow carcass 2 communicates with the sprue hole 20 of the hollow rod 21 . As shown in FIG. 22 , the groove 18 provided on the hollow carcass 2 communicates with the sprue hole 20 of the hollow rod 21 .

The present invention is also characterized in that the outer wall 4 is a tire wall of a flat plate, an arc plate, a folded plate, a corrugated plate or a combination thereof. As shown in Figure 23, its described peripheral outer wall 4 is an arc plate tire wall.

The present invention is also characterized in that the outer wall 4 of the hollow carcass 2 is provided with at least one movable detachable connection cover plate 22, or the reinforcement 14 is exposed on the cover plate 22, and is bonded with cast-in-place concrete to form overall. As shown in Figure 24, the outer wall 4 of the hollow carcass 2 is provided with a movable detachable connecting cover plate 22, the reinforcement 14 is exposed on the cover plate 22, and is bonded with cast-in-place concrete to form a whole.

The present invention is also characterized in that the connecting cover plate 22 is provided with a connecting piece 23 that matches the hollow carcass 2 . As shown in FIG. 25 , the connecting cover plate 22 is provided with a connecting piece 23 that matches the hollow carcass 2 .

The present invention is also characterized in that the bottom surface of the hollow carcass 2 protrudes outwards with a pick plate 24, the pick plate 24 is provided with a locking member 6, and the bottom surface of the hollow carcass 2 is flush with the bottom surface of the reinforced concrete hollow slab. . As shown in Figures 26, 45, and 46, the bottom surface of the hollow carcass 2 protrudes outwards with a pick plate 24, and the pick plate 24 is provided with a locking member 6, and the bottom surface of the hollow carcass 2 in the hollow plate flush with the bottom surface of the reinforced concrete hollow slab.

The present invention is also characterized in that the hollow carcass 2 is provided with at least one of a junction box 25 , a wire duct 26 , an air duct 27 or a water duct 28 . As shown in FIG. 27 , the hollow carcass 2 is provided with a junction box 25 and an electrical conduit 26 . As shown in FIG. 28 , an air duct 27 and a water pipe 28 are provided on the hollow carcass 2 .

The present invention is also characterized in that the cavities 5 of the hollow carcass 2 are partially or completely filled with lightweight materials 29 . As shown in FIG. 29 , the cavities 5 of the hollow carcass 2 are all filled with lightweight materials 29 .

The present invention is also characterized in that the hollow carcass 2 is provided with a boss module 30 . As shown in FIG. 30 , the hollow carcass 2 is provided with a boss module 30 .

The present invention is also characterized in that the boss module 30 is fixed on the hollow carcass 2 by bonding, welding, riveting, socket, ferrule, or bolt connection, or the boss module 30 and the hollow carcass 2 are integrally formed. Overall. As shown in FIG. 31 , the boss module 30 is riveted and fixed on the hollow carcass 2 .

The present invention is also characterized in that the outer wall 4 of the hollow carcass 2 is provided with a laminated layer of strip-shaped or plate-shaped lightweight material 29 . As shown in FIG. 32 , the outer wall 4 of the hollow carcass 2 is provided with laminated layers of plate-shaped lightweight materials 29 .

The present invention is also characterized in that more than two hollow carcass 2 can be joined together to form a unidirectional, bidirectional or multidirectional tire mold assembly. As shown in FIG. 33 , the two hollow carcass 2 connected together form a unidirectional tire mold assembly.

The present invention is also characterized in that the hollow carcass 2 is provided with a connecting piece 23 extending out. As shown in FIG. 34 , the hollow carcass 2 is provided with a connecting piece 23 extending out.

The present invention is also characterized in that the hollow carcass 2 is provided with supporting feet 31 . As shown in FIG. 35 , the hollow carcass 2 is provided with supporting feet 31 .

The present invention is also characterized in that the support feet 31 are fixed feet or movable feet. As shown in FIG. 35 , the supporting feet 31 are fixed feet.

The present invention is also characterized in that the movable support foot 31 is a split foot. As shown in Figure 36, its described movable support foot 31 is split foot.

The present invention is also characterized in that the support feet 31 are mortar hard feet, concrete feet or plastic feet. As shown in Figure 36, its described supporting foot 31 is the hard foot of mortar.

The present invention is also characterized in that a hidden beam 32 or/and an exposed beam 33 are arranged in the reinforced concrete hollow slab. As shown in FIG. 6 , hidden beams 32 and exposed beams 33 are arranged in the reinforced concrete hollow slab.

Figure 37 is a partial cross-sectional view of the locking member 6 in Figure 7, in which 34 is a steel bar, and the illustration shows that the hollow carcass is locked on the steel bar 34 by the locking member 6 to prevent the hollow carcass from floating and shifting .

Figure 38 is a partial cross-sectional view of the locking member 6 in Figure 8, in which 34 is a steel bar, and the illustration shows that the hollow carcass is locked on the steel bar 34 by the locking member 6 to prevent the hollow carcass from floating and shifting .

Figure 39 is a partial cross-sectional view of the locking member 6 in Figure 9, in which 34 is a steel bar, and the illustration shows that the hollow carcass is locked on the steel bar 34 by the locking member 6 to prevent the hollow carcass from floating and shifting .

Figure 40 is a partial cross-sectional view of the use state of the locking member 6 in Figure 10, in which 34 is a steel bar, and the illustration shows that the hollow carcass is locked on the steel bar 34 by the locking member 6 to prevent the hollow carcass from floating and shifting .

Figure 41 is a partial cross-sectional view of the use state of the locking member 6 in Figure 11, in which 35 is a template for construction, and the illustration shows that the hollow carcass is locked on the template 35 by the locking member 6 to prevent the hollow carcass from floating and shift.

Figure 42 is a partial sectional view of the use state of the locking member 6 in Figure 12, in which 35 is a template for construction, and the illustration shows that the hollow carcass is locked on the template 35 by the locking member 6 to prevent the hollow carcass from floating and shift.

Figure 43 is a partial cross-sectional view of the use state of the locking member 6 in Figure 11, in which 35 is a construction formwork, and 32 is cast-in-place concrete. The illustration shows that the hollow carcass is locked on the template 35 by the locking member 6, so To prevent the hollow carcass from floating and shifting, after the cast-in-place concrete solidifies and hardens, the strip 8 will be torn off by force, and the strip 8 will be torn off at the constriction joint 10. After the formwork 35 is removed, the surface of the cast-in-place concrete will not remain Traces, or just repair the traces, the operation is very simple and convenient, and the construction cost is low.

FIG. 49 is a schematic cross-sectional view of the locking member 6 .

Fig. 50 is another schematic diagram of the structure of the locking member 6. There is a small round rod movable in the groove on the member of the self-locking hole 7, which can move along with the movement of the self-locking strip 8 in the self-locking hole 7. And move, and lock strip 8.

During the implementation of the present invention, first install the support or formwork according to the construction requirements, lay the hollow carcass 2, then lay the steel bars or the steel bars of the hidden beam 32 or the open beam 33, and various pipeline embedded parts, and use the locking part 6 to lock the hollow tire. The body 2 is locked and fixed, and the concrete is poured after passing the acceptance inspection. After the concrete is solidified and hardened, it is cured to the specified age, and the formwork is removed to obtain the cast-in-place reinforced concrete hollow slab.

Claims (42)

1. concrete hollow board, comprise steel bar concrete (1), hollow matrix (2), hollow matrix (2) is wrapped up in and is contained in the steel bar concrete (1), a plurality of hollow matrixes (2) alternately, be cast-in-situ reinforced concrete rib (3) each other, hollow matrix (2) is for to surround the hollow matrix that is formed with cavity (5) by outer wall (4), it is characterized in that described hollow matrix (2) is provided with locking member (6), locking member (6) comprises self-locking tieholen (7) and self-locking bar (8), and locking member (6) is connected by the anchorage element (9) that anchorage element (9) is anchored in the hollow matrix (2) or locking member (6) is interior with being anchored at hollow matrix (2).

2. concrete hollow board according to claim 1 is characterized in that described locking member (6) is can only advance the one-way locking spare that can not move back after self-locking bar (8) penetrates self-locking tieholen (7).

3. concrete hollow board according to claim 1 is characterized in that described self-locking tieholen (7) is fixed on the self-locking bar (8).

4. concrete hollow board according to claim 1 is characterized in that described self-locking tieholen (7) is fixed on the hollow matrix (2).

5. concrete hollow board according to claim 4 is characterized in that described self-locking bar (8) is fixed on the hollow matrix (2).

6. concrete hollow board according to claim 4 is characterized in that described self-locking bar (8) is the independent band of split.

7. concrete hollow board according to claim 1 is characterized in that described self-locking tieholen (7) and self-locking bar (8) are one.

8. concrete hollow board according to claim 1 is characterized in that having on the described self-locking bar (8) band constriction joint (10).

9. concrete hollow board according to claim 1 is characterized in that it is movably that described self-locking tieholen (7) is through on the self-locking bar (8).

10. concrete hollow board according to claim 1 is characterized in that described self-locking tieholen (7) and self-locking bar (8) are splits.

11. concrete hollow board according to claim 1 is characterized in that the side outer wall (4) of hollow matrix (2) or bottom surface outer wall (4) are provided with locking member (6).

12. concrete hollow board according to claim 1 is characterized in that the side outer wall (4) of hollow matrix (2) is provided with the rib spacing limit for width part (11) of encorbelmenting.

13. concrete hollow board according to claim 1 is characterized in that the outer wall (4) of hollow matrix (2) is provided with the filler strip (12) or the cushion block (13) of reinforcing bar.

14. concrete hollow board according to claim 1 is characterized in that described hollow matrix (2) is a polyhedron.

15. concrete hollow board according to claim 1 is characterized in that described hollow matrix (2) is a hexahedron.

16., it is characterized in that being provided with reinforce (14) at least one of outer wall (4) or locking member (6) according to the described concrete hollow board of arbitrary claim in the claim 1 to 15.

17. concrete hollow board according to claim 16 is characterized in that the reinforce (14) in outer wall (4) or the locking member (6) is connected with each other.

18. concrete hollow board according to claim 16 is characterized in that described reinforce (14) exposes outside the hollow matrix (2), and is bonded to integral body with Cast-in-place concrete.

19., it is characterized in that also being provided with on the described hollow matrix (2) at least one in arc angle (15), chamfering (16), inner corner trim (17), groove (18), pit (19), the hole (20) according to the described concrete hollow board of arbitrary claim in the claim 1 to 15.

20. concrete hollow board according to claim 19 is characterized in that at least one face of the outer wall (4) of hollow matrix (2) is provided with the groove (18) of cross or groined type or M shape.

21. concrete hollow board according to claim 19 is characterized in that being provided with in the described cavity (5) reinforcement (21).

22. concrete hollow board according to claim 21, it is characterized in that described reinforcement (21) is prefabricated hollow rod member, the two-port of hollow rod member is connected with outer wall (4) outside, form the hole (20) that is communicated with, Cast-in-place concrete enters in the hole (20), has formed superimposed rod member with hollow stem.

23. concrete hollow board according to claim 22 is characterized in that groove (18) that described hollow matrix (2) go up to be provided with is connected with the sprue gate hole (20) of hollow rod member (21) to communicate.

24., it is characterized in that the tyre sidewall of outer wall (4) for flat board, arc plate, flap, corrugated sheet or its combination according to the described concrete hollow board of arbitrary claim in the claim 1 to 15.

25., it is characterized in that the outer wall (4) of described hollow matrix (2) is provided with the detachable connection cover plate (22) of at least one activity according to the described a kind of hollow block for filling concrete of arbitrary claim in the claim 1 to 15.

26. a kind of hollow block for filling concrete according to claim 25 is characterized in that having reinforce (14) to expose on the movable detachable connection cover plate (22), and forms whole with the Cast-in-place concrete bonding.

27. being provided with, concrete hollow board according to claim 25, the detachable connection cover plate (22) that it is characterized in that described activity be connected the connector (23) that coincide with hollow matrix (2).

28. according to the described concrete hollow board of arbitrary claim in the claim 1 to 15, it is characterized in that the bottom surface of described hollow matrix (2) is protruding has bridging piece (24), a bridging piece

(24) be provided with locking member (6), the bottom surface of hollow matrix (2) flushes with the bottom surface of concrete hollow board.

29., it is characterized in that described hollow matrix (2) is provided with at least one in junction box (25), conduit (26), airduct (27) or the water pipe (28) according to the described concrete hollow board of arbitrary claim in the claim 1 to 15.

30., it is characterized in that the interior part of cavity (5) of described hollow matrix (2) is filled with light material (29) according to the described concrete hollow board of arbitrary claim in the claim 1 to 15.

31., it is characterized in that all being filled with light material (29) in the cavity (5) of described hollow matrix (2) according to the described concrete hollow board of arbitrary claim in the claim 1 to 15.

32., it is characterized in that described hollow matrix (2) is provided with boss module (30) according to the described concrete hollow board of arbitrary claim in the claim 1 to 15.

33. concrete hollow board according to claim 32 is characterized in that described boss module (30) is connected and fixed on the hollow matrix (2) for bonding, welding, riveted joint, socket joint, cutting ferrule, bolt.

34. concrete hollow board according to claim 32 is characterized in that the integral body that described boss module (30) and hollow matrix (2) are formed in one.

35. according to the described concrete hollow board of arbitrary claim in the claim 1 to 15, the outer wall (4) that it is characterized in that hollow matrix (2) is provided with the overlapping layers of strip or tabular light material (29).

36. according to the described concrete hollow board of arbitrary claim in the claim 1 to 15, it is characterized in that plural hollow matrix (2) but disjunctor is formed unidirectional core assembly.

37., it is characterized in that described hollow matrix (2) is provided with connector (23) and stretches out according to the described concrete hollow board of arbitrary claim in the claim 1 to 15.

38., it is characterized in that described hollow matrix (2) is provided with spike (31) according to the described concrete hollow board of arbitrary claim in the claim 1 to 15.

39., it is characterized in that described spike (31) is fixing feet or movable pin according to the described concrete hollow board of claim 38.

40., it is characterized in that described spike (31) is the split pin according to the described concrete hollow board of claim 38.

41., it is characterized in that described spike (31) is mortar hard pin, concrete pin or plastic foot according to the described concrete hollow board of claim 38.

42., it is characterized in that being provided with dark beam (32) in the described concrete hollow board or/and bright beam (33) according to the described concrete hollow board of arbitrary claim in the claim 1 to 15.

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