CN1329601C - A cavity formwork member - Google Patents

Abstract

A hollow shuttering member comprises an upper board (1), peripheral side panels (2), a lower board (3), the upper board (1), the peripheral side panels (2), the lower board (3) are enclosed to form the hollow shuttering member, characterized in that the splicing parts between the upper board (1) and the peripheral side panels (2) or between the peripheral side panels (2) and the lower board (2) or between the peripheral side panels (2) are folded to form a folding layer (4), a whole hollow shuttering member is formed by the folding layer (4), the folding layer (4) comprises at least one prefabricated layer (5). The hollow cavity component is suitable for hollow floor systems, roof systems, walls, foundation slabs and open-web bridges of cast-in-place reinforced concrete or prestressed reinforced concrete, and is particularly suitable for hollow flat slabs.

Description

A cavity formwork member

(1) Technical field

The present invention relates to a cavity formwork member.

(2) Background technology

At present, the cast-in-place concrete hollow floor is a widely used floor structure, and the lightweight permanent tire mold filled in it includes hollow tubes and cavity formwork components. 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 application number applied by the applicant on November 23, 2001 is 01140106.0, the publication number is CN1356442, and the name is called "a kind of cavity structure formwork for cast-in-place reinforced concrete floor slab" patent application for invention. The formwork member disclosed by it Including "the upper plate, the surrounding side walls, and the lower bottom, the upper plate, the surrounding side walls, and the lower bottom form a polyhedral cavity formwork member. This cavity formwork member has the advantages of light weight, high strength, simple structure, and convenient construction and transportation. etc. However, the manufacture of this type of formwork member is inconvenient, the production efficiency is low, it is not convenient for assembly line production, and the corresponding cost is high. Therefore, it is urgent to develop a new type of cavity formwork member.

(3) Contents of the invention

The object of the present invention is to provide a cavity formwork component, which has the characteristics of easy manufacture, high production efficiency and low cost.

The solution of the present invention is based on the prior art, including the upper plate, the surrounding side walls, and the lower bottom plate, and the upper plate, the surrounding side walls, and the lower bottom plate are enclosed to form a cavity formwork member, which is characterized in that the upper plate and the surrounding The splicing parts between the side walls or between the surrounding side walls and the lower floor or between the surrounding side walls are superimposed to form a laminated layer, and each other forms an integral cavity formwork member through the laminated layer, and the laminated layer includes at least one prefabricated layer . In this way, when the cavity formwork components are made, since the upper plate, the surrounding side walls, and the lower bottom are superimposed on themselves or each other to form a laminated layer, and the laminated layer includes at least one prefabricated layer, each component can be prefabricated separately, and then Then stack each other to form formwork components, which are easy to manufacture, high in production efficiency, and low in cost. At the same time, the cavity formwork components also have the characteristics of simple structure, excellent deformation resistance, anti-vibration performance, convenient construction, and fast construction speed. Thereby the purpose of the present invention is achieved, and it is suitable for use in hollow floors, roofs, walls, foundation slabs and hollow bridges of cast-in-place reinforced concrete or prestressed reinforced concrete, and is especially suitable for use in hollow beamless floors.

The present invention is also characterized in that the laminated layer is formed by laminating prefabricated layers and prefabricated layers. In this way, the laminated layer is formed by laminating prefabricated layers with prefabricated layers, which has the advantages of convenient and simple production, and meanwhile, simplifies the production process of the cavity mold shell member, and can easily realize mechanized production.

The present invention is also characterized in that a cast-in-place layer is superimposed on the prefabricated layer of the laminated layer. In this way, the prefabricated layer of the laminated layer is superimposed with a cast-in-place plastered layer so that the strength and rigidity of the cavity formwork member are greatly improved, its overall performance is better, and its production is easier.

The present invention is also characterized in that the laminated layer is formed by laminating a prefabricated layer, a cast-in-place plastered layer, and a prefabricated layer. In this way, the combination of the prefabricated layer and the cast-in-place plastered layer is simple in production, high in production efficiency, and low in cost. At the same time, the cavity formwork component is not easily damaged, which is beneficial to reducing the loss rate of the cavity formwork component.

The present invention is also characterized in that the laminated layer is composed of a cast-in-place plaster layer, a prefabricated layer, and a cast-in-place plaster layer. In this way, the combination of the prefabricated layer and the cast-in-place plastered layer is simple in production, high in production efficiency, and low in cost. At the same time, the cavity formwork component is not easily damaged, which is beneficial to reducing the loss rate of the cavity formwork component.

The present invention is also characterized in that the prefabricated layer in the laminated layer is a prefabricated slab connected with the upper slab, the surrounding side walls or the lower bottom slab. In this way, when the prefabricated layer is a prefabricated edge connected with the surrounding side walls, the strength and integrity of the flange can be greatly improved; when it is a prefabricated plate, the production efficiency can be improved and the production cost of the cavity formwork can be reduced.

The present invention is also characterized in that the cast-in-place plaster layer in the laminated layer is a cast-in-place plaster layer that is integrally formed with the upper plate or the surrounding side walls or the lower bottom plate. In this way, the cast-in-place plaster layer in the laminated layer is integrated with the upper plate or the surrounding side walls or the lower floor, and after being bonded with the prefabricated layer as a whole, it has the advantages of high strength, high rigidity, and good bending resistance.

The present invention is also characterized in that the materials of the prefabricated layer of the laminated layer and the cast-in-place layer are different. In this way, when the prefabricated layer of the laminated layer is different from the cast-in-place plastered layer, it is convenient to select a more economical material as the laminated layer, which is conducive to reducing production costs and improving the strength and rigidity of the cavity formwork member.

The present invention is also characterized in that at least one of the upper plate, the surrounding side walls, the lower floor, the prefabricated layer or the cast-in-place plaster layer of the cavity formwork member contains a reinforcement and extends into the adjacent wall Anchored in the body. Reinforcement is filament, tendon slender member, or silk, tendon slender member woven or woven cloth and net, or non-woven adhesive cloth, net, or sheet, strip, or a combination of the two or more, such as reinforcement can It is at least one of steel bar, steel wire, steel mesh, steel wire mesh, fiber, fiber tow, fiber mesh cloth, non-woven fabric, thin metal strip, thin strip with holes, packing tape, braided tape, etc. In this way, the reinforcement extends into the matrix of each adjacent member, and the integrity of the formwork member is better, the strength is higher, and the rigidity is greater. At the same time, there are many types of reinforcements, which is convenient for the selection of reinforcements in the design and production of formwork components, and is conducive to reducing material costs to meet the needs of various occasions.

The invention is also characterized in that said reinforcement is exposed outwardly.

The present invention is also characterized in that the prefabricated layers of the laminated layers or the cast-in-place layers are laminated by bonding, occlusion, welding, pressing, anchor rod connection, screw connection or riveting. overall. In this way, the superimposition methods between the prefabricated layers of the laminated layer or between the cast-in-place and plastered layers are diversified, which makes the connection and superposition between the prefabricated layers of the laminated layer or with the cast-in-place plastered layers more convenient, and can Meet the application needs of various occasions.

The present invention is also characterized in that at least one of internal angles, chamfers, grooves, holes or external angles is provided on the cavity formwork member. In this way, when the formwork components are applied to the cast-in-place concrete hollow floor, the cast-in-place concrete is poured into the inner corners, chamfers, grooves, pits, and holes, and a local cast-in-place concrete reinforcement structure can be formed accordingly; the formwork The boss modules, protruding lines, and external angles set on the components can evacuate the unstressed concrete in the floor, further reduce the weight of the floor itself, save the amount of concrete, reduce the cost of the floor, and improve the strength of the floor at the same time. performance.

The present invention is also characterized in that the internal corners, chamfers, grooves or holes are arranged in parallel, orthogonal, oblique or vertical intersection or in a grid-like arrangement with each other. In this way, when the formwork components are applied to the cast-in-place concrete hollow floor, the internal corners, chamfers, grooves, and convex lines on the formwork components themselves or each other are arranged in parallel, orthogonal, oblique or overpass or form a network. After the concrete is poured in the above-mentioned parts, a parallel, orthogonal, oblique or overpass cast-in-place concrete strengthening structure is correspondingly formed, which greatly improves the mechanical properties of the cast-in-place concrete hollow floor.

The present invention is also characterized in that at least one of stiffening ribs, stiffening rods or reinforcing ribs is arranged in the closed cavity of the cavity formwork member. In this way, when the formwork components are applied to the cast-in-place concrete hollow floor, the stiffeners, stiffeners, ribs or exposed stiffeners, stiffeners, and ribs arranged in the formwork components can form a cast-in-place concrete structure with the cast-in-place concrete. The composite structure combined with prefabrication optimizes the internal stress system of the cast-in-place concrete hollow floor.

The present invention is also characterized in that at least one of the stiffeners, stiffeners or ribs is exposed outside the cavity formwork member.

The present invention is also characterized in that reinforcements are exposed on the stiffeners, stiffeners or ribs. If there are reinforcements exposed thereon, the formwork member and the cast-in-place concrete will be bonded more firmly, and the integrity of the floor will be better.

The present invention is also characterized in that said stiffeners, stiffeners or ribs are laminated with prefabricated layers. If the prefabricated stiffeners and ribs are superimposed on the base layer, the manufacture of formwork components is more convenient.

The present invention is also characterized in that the tendon-like and net-like reinforcements are exposed after lamination.

The present invention is also characterized in that lightweight materials are arranged in the closed cavity of the cavity formwork member. In this way, the sound insulation, heat insulation and thermal insulation properties of the formwork components are greatly improved; at the same time, the formwork components also have good impact resistance, which reduces the damage rate of the product during construction and application. Lightweight materials can be foamed plastics, expanded perlite, expanded vermiculite, foamed or aerated lightweight concrete, rock wool, mineral wool, glass wool, ceramsite or ceramsite concrete, etc. The variety of lightweight materials , It is convenient to obtain nearby materials during production, which is conducive to reducing production costs.

The invention is also characterized in that at least one of said upper plate or surrounding side walls is a detachable movable part. In this way, it is convenient to check the situation inside the formwork member at any time, and at the same time, it is also possible to partially or completely fill the interior of the formwork member with light materials, or install other components inside the formwork member, such as junction boxes, water and electricity pipelines, and fire sprinklers. Nozzle etc.

The present invention is also characterized in that at least one of the outer surfaces of the upper plate or the surrounding side walls of the cavity formwork member is a corrugated or serrated outer surface. In this way, at least one of the outer surfaces of the upper plate and the surrounding side walls of the cavity is corrugated, zigzag, roughened or rough, which greatly improves the bonding force between the formwork member and the cast-in-place concrete, At the same time, the hanging performance and overall performance of the floor are improved.

The present invention is also characterized in that a positioning member is arranged on the cavity formwork member. The positioning member can be a pull ring, a pull hook, an iron wire, a supporting foot, a small protrusion, a small convex nail or other devices. In this way, when the formwork components are applied to the cast-in-situ concrete hollow floor, the formwork components can be accurately positioned to prevent the formwork components from floating and shifting when pouring concrete. At the same time, the steel bars can also be restricted. Position, effectively guarantee the pouring quality of the floor.

The present invention is also characterized in that the cavity formwork components are provided with connectors for connecting the cavity formwork components with each other. Connectors can be steel bar, steel mesh, steel wire, steel wire mesh, angle steel, channel steel, L-shaped steel, T-shaped steel, ferrule, bolt, male and female groove, socket piece, sawtooth piece, convex groove, groove, bayonet, card Covers, holes, embedded iron parts, etc. In this way, when the formwork components are applied to the cast-in-place concrete hollow floor, the connectors provided on the formwork components can effectively and reliably control the distance between the formwork components, control the width and height of the cast-in-place concrete ribs, and ensure The pouring quality of the internal structure of the floor; at the same time, it is also conducive to the connection and positioning of the formwork components, or the formation of group components to speed up the construction.

The present invention is also characterized in that at least one outer side of at least one of the upper board or the lower bottom board has a protruding edge. In this way, if the upper plate or the lower base plate protrude out with raised edges at the same time, when the formwork member is applied in the cast-in-situ concrete hollow wall, the construction templates on both sides of the wall can be omitted, and the construction efficiency is greatly improved.

The present invention is also characterized in that the flange is a lamination layer flange. In this way, the manufacture of the cavity formwork member is more convenient, the production efficiency is higher, and the cost is lower.

The present invention is also characterized in that prefabricated layers are laminated on at least one of the upper panel or the surrounding side walls or the lower floor. In this way, since the prefabricated layers are superimposed, there is no need to dismantle them after lamination, so the manufacture of the cavity formwork component is more convenient, the production efficiency is higher, and the cost is lower; at the same time, the strength and rigidity of the cavity formwork component can also be improved.

The present invention is also characterized in that the lower bottom plate or the cast-in-place plastering layer is made of cement mortar or polymer mortar, the upper plate or the surrounding side walls are made of cement fiber, and the prefabricated layer is made of lightweight aggregate concrete. layer made. In this way, the diversification of materials for the lower bottom plate, cast-in-place plastering layer, upper plate, surrounding side walls and prefabricated layers of the cavity formwork member can fully meet the needs of various situations and help reduce product cost. cost.

The present invention is also characterized in that the lower bottom plate or the cast-in-place plastering layer is made of concrete, the upper plate or the surrounding side walls are made of cement fiber mesh or cement steel mesh or cement wire mesh, and its prefabricated layer is Made of air-entrained concrete layer.

The present invention is also characterized in that the lower bottom plate or the cast-in-place plastering layer is made of lightweight concrete or polymer concrete, the upper plate or the surrounding side walls are made of concrete plates, and the prefabricated layer is a cement mortar layer Or cement fiber layer or cement wire mesh layer or cement concrete layer or reinforced concrete layer.

The present invention is also characterized in that the lower base plate or the cast-in-place plastering layer is made of polymer mortar, the upper plate or the surrounding side walls are made of wood plywood, plastic, and metal profiled board, and the prefabricated layer Made of plastic sheet, metal profiled sheet or plywood.

The present invention is also characterized in that at least one of said upper plate, surrounding side walls, lower floor, prefabricated layer or cast-in-place plaster layer is laminated with reinforcements of multiple layers bonded with tendons or nets of cementitious material made. In this way, the upper plate, the surrounding side wall, the lower floor, the edge, the prefabricated layer or the cast-in-place plastered layer, which are laminated by multiple layers of reinforcements or meshes bonded with cementitious materials, have high strength and high rigidity. , light weight and other characteristics, the corresponding formwork components are less likely to be damaged during stacking, transportation and construction and installation.

The present invention is also characterized in that the cavity formwork member is provided with a carrier. The carrier can be handles, hooks, rings or other devices. In this way, the cavity formwork components can be stacked, transferred, hoisted and constructed very conveniently, which reduces the work difficulty and work intensity of the above-mentioned processes, is conducive to improving the construction efficiency and reducing the construction cost.

(4) Description of drawings

Fig. 1 is a schematic structural diagram of Embodiment 1 of the present invention. In the accompanying drawings, 1 is the upper plate, 2 is the surrounding side wall, 3 is the lower floor, 4 is the laminated layer, and 5 is the prefabricated layer. In the following drawings, those with the same number have the same description. As shown in Figure 1, the upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and the surrounding side walls 2 and the lower bottom plate 3 are superimposed to form a laminated layer 4, in which there is a Layer prefabricated layer 5, relatively speaking, the lower base plate 3 is a cast-in-place lower base plate.

Fig. 2 is a structural schematic diagram of Embodiment 2 of the present invention, the upper plate 1, the surrounding side walls 2 and the lower base plate 3 form a cavity formwork member, and its laminated layer 4 is formed by laminating the prefabricated layer 5 and the prefabricated lower base plate 3 .

Fig. 3 is a structural schematic diagram of Embodiment 3 of the present invention, the upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and a layer of cast-in-place cast-in-place plaster is superimposed on the prefabricated layer 5 of the laminated layer 4 Layer 6.

Fig. 4 is a schematic structural view of Embodiment 4 of the present invention, the upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and its laminated layer 4 is a layer of cast-in-place plaster layer 6, and a layer of prefabricated Layer 5 is laminated with another layer of cast-in-place and plastered layer 6.

Fig. 5 is a schematic structural view of Embodiment 5 of the present invention, the upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and the prefabricated layer 5 in the laminated layer 4 is connected with the upper plate 1 pre-produced.

Fig. 6 is a schematic structural view of Embodiment 6 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and the laminated layer 4 is cast-in-place and plastered together with the upper plate 1. One-piece cast-in-place plastering layer.

Fig. 7 is a schematic structural view of Embodiment 7 of the present invention, the upper plate 1, the surrounding side walls 2 and the lower base plate 3 form a cavity formwork member, the lower base plate 3 is a laminated layer 4 formed by laminating multiple layers, and the upper plate 1 and the reinforcements 7 in the surrounding sidewalls 2 protrude into the matrix of adjacent components to tie and anchor each other, and the reinforcements 7 shown in the figure are fiber mesh cloth.

Fig. 8 is a schematic structural view of Embodiment 8 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower base plate 3 form a cavity formwork member, and the surrounding side walls 2 and the lower base plate 3 are superimposed with a laminated layer 4. The prefabricated layer 5 and the cast-in-place layer 6 of the laminated layer 4 are laminated into a whole by bonding.

Fig. 9 is a schematic structural view of Embodiment 9 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower base plate 3 form a cavity formwork member, and the lower base plate 3 is a laminated layer 4 formed by laminating multiple layers. The cavity Chamfers 9 , grooves 10 , pits 11 , holes 12 , boss modules 13 and male corners 15 are also provided on the formwork member.

Fig. 10 is a schematic structural view of Embodiment 10 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower base plate 3 form a cavity formwork member, and the lower base plate 3 is a laminated layer 4 formed by laminating multiple layers. The cavity Internal corners 8 , chamfers 9 , grooves 10 and protruding lines 14 are also provided on the formwork member.

Fig. 11 is a schematic structural view of Embodiment 11 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower base plate 3 form a cavity formwork member, and the lower base plate 3 is a laminated layer 4 formed by laminating multiple layers. The cavity Stiffening ribs 16, stiffening rods 17 and reinforcing ribs 18 are arranged in the closed cavity of the formwork member, and at the same time, some of the stiffening ribs 16 and stiffening rods 17 are exposed outside the formwork member.

Fig. 12 is a schematic structural view of Embodiment 12 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and a lightweight material 19 is arranged in the closed cavity of the cavity formwork member. The illustrated lightweight material 19 is expanded perlite.

Fig. 13 is a schematic structural view of Embodiment 13 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower base plate 3 form a cavity formwork member, and the lower base plate 3 is a laminated layer 4 formed by laminating multiple layers. The upper plate 1 is a movable and detachable fastening cover.

Fig. 14 is a schematic structural view of Embodiment 14 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and the outer surfaces of the upper plate 1 and the surrounding side walls 2 are rough outer surfaces.

Fig. 15 is a schematic structural view of Embodiment 15 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and a positioning member 20 is arranged on the cavity formwork member. The positioning member 20 is shown in the figure. Position the feet for support.

Fig. 16 is a schematic structural view of Embodiment 16 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and the cavity formwork member is provided with connectors 21 for connecting to each other. The illustrated connector 21 is a socket pipe.

Fig. 17 is a schematic structural view of Embodiment 17 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and the lower bottom plate 3 protrudes from the raised edge 22.

Fig. 18 is a schematic structural view of Embodiment 18 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and the upper plate 1 is composed of multi-layer mesh reinforcements 7 bonded with cementitious materials. superimposed.

(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 an upper plate 1, a surrounding side wall 2, and a lower bottom plate 3, and the upper plate 1, the surrounding side walls 2, and the lower bottom plate 3 are enclosed to form a cavity formwork member, which is characterized in that the upper plate 1 and the lower bottom plate The joint parts between the surrounding side walls 2 or between the surrounding side walls 2 and the lower bottom plate 2 or between the surrounding side walls 2 are superimposed to form a laminated layer 4, and each other forms an integral cavity formwork member through the laminated layer 4. Layer 4 comprises at least one prefabricated layer 5 . Fig. 1 is a schematic structural diagram of Embodiment 1 of the present invention. In the accompanying drawings, 1 is the upper plate, 2 is the surrounding side wall, 3 is the lower floor, 4 is the laminated layer, and 5 is the prefabricated layer. In the following drawings, those with the same number have the same description. As shown in Figure 1, the upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and the surrounding side walls 2 and the lower bottom plate 3 are superimposed to form a laminated layer 4, in which there is a Layer prefabricated layer 5, relatively speaking, the lower base plate 3 is a cast-in-place lower base plate.

The present invention is also characterized in that the laminated layer 4 is formed by laminating the prefabricated layer 5 and the prefabricated layer 5 . Fig. 2 is a structural schematic diagram of Embodiment 2 of the present invention, the upper plate 1, the surrounding side walls 2 and the lower base plate 3 form a cavity formwork member, and its laminated layer 4 is formed by laminating the prefabricated layer 5 and the prefabricated lower base plate 3 .

The present invention is also characterized in that a cast-in-place plaster layer 6 is laminated on the prefabricated layer 5 of the laminated layer 4 . Fig. 3 is a structural schematic diagram of Embodiment 3 of the present invention, the upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and a layer of cast-in-place cast-in-place plaster is superimposed on the prefabricated layer 5 of the laminated layer 4 Layer 6.

The present invention is also characterized in that the laminated layer 4 is formed by laminating one layer of prefabricated layer 5, one layer of cast-in-place plastered layer 6, and one layer of prefabricated layer 5. As shown in Figure 3, there is a prefabricated layer 5 in the laminated layer 4, and the laminated layer 4 is formed by laminating one layer of prefabricated layer 5, one layer of cast-in-place plastered layer 6, and another layer of prefabricated layer 5.

The present invention is also characterized in that the laminated layer 4 is formed by laminating one layer of cast-in-place plaster layer 6, one layer of prefabricated layer 5, and another layer of cast-in-place plaster layer 6. Fig. 4 is a schematic structural view of Embodiment 4 of the present invention, the upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and its laminated layer 4 is a layer of cast-in-place plaster layer 6, and a layer of prefabricated Layer 5 is laminated with another layer of cast-in-place and plastered layer 6.

The present invention is also characterized in that the prefabricated layer 5 in the laminated layer 4 is a prefabricated board connected with the upper board 1 , the surrounding side walls 2 or the lower bottom board 3 . Fig. 5 is a schematic structural view of Embodiment 5 of the present invention, the upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and the prefabricated layer 5 in the laminated layer 4 is connected with the upper plate 1 pre-produced.

The present invention is also characterized in that the cast-in-place plaster layer in the laminated layer 4 is a cast-in-place plaster layer formed together with the upper plate 1 or the surrounding side walls 2 or the lower bottom plate 3 . Fig. 6 is a schematic structural view of Embodiment 6 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and the laminated layer 4 is cast-in-place and plastered together with the upper plate 1. One-piece cast-in-place plastering layer.

The present invention is also characterized in that the materials of the prefabricated layer 5 and the cast-in-place layer 6 of the laminated layer 4 are different. As shown in FIG. 6 , the upper plate 1 , the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and the prefabricated layer 5 of the laminated layer 4 is different from the material of the cast-in-place layer 6 .

The present invention is also characterized in that at least one of the upper plate 1, the surrounding side walls 2, the lower bottom plate 3, the prefabricated layer 5 or the cast-in-place plaster layer 6 of the cavity formwork member contains a reinforcement 7, and Extend into the adjacent wall for anchoring. Reinforcement 7 is silk, tendon slender member, or silk, tendon slender member braided or woven cloth and net, or non-woven adhesive cloth, net, or sheet, strip, or a combination of the two or more, such as reinforcement 7 can be at least one of steel bar, steel wire, steel mesh, steel wire mesh, fiber, fiber tow, fiber mesh cloth, non-woven fabric, thin metal strip, thin strip with holes, packing tape, braided tape, etc. . Fig. 7 is a schematic structural view of Embodiment 7 of the present invention, the upper plate 1, the surrounding side walls 2 and the lower base plate 3 form a cavity formwork member, the lower base plate 3 is a laminated layer 4 formed by laminating multiple layers, and the upper plate 1 and the reinforcements 7 in the surrounding sidewalls 2 protrude into the matrix of adjacent components to tie and anchor each other, and the reinforcements 7 shown in the figure are fiber mesh cloth.

The present invention is also characterized in that the reinforcement 7 is exposed outward.

The present invention is also characterized in that the prefabricated layers 5 of the laminated layers 4 or between the cast-in-place layers 6 are bonded, snapped, welded, pressed, bolted, screwed or riveted. combined into a whole. Fig. 8 is a schematic structural view of Embodiment 8 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower base plate 3 form a cavity formwork member, and the surrounding side walls 2 and the lower base plate 3 are superimposed with a laminated layer 4. The prefabricated layer 5 and the cast-in-place layer 6 of the laminated layer 4 are laminated into a whole by bonding.

The present invention is also characterized in that at least one of the inner corner 8 , the chamfer 9 , the groove 10 , the hole 12 or the outer corner 15 is provided on the cavity formwork member. Fig. 9 is a schematic structural view of Embodiment 9 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower base plate 3 form a cavity formwork member, and the lower base plate 3 is a laminated layer 4 formed by laminating multiple layers. The cavity Chamfers 9 , grooves 10 , pits 11 , holes 12 , boss modules 13 and male corners 15 are also provided on the formwork member. Fig. 10 is a schematic structural view of Embodiment 10 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower base plate 3 form a cavity formwork member, and the lower base plate 3 is a laminated layer 4 formed by laminating multiple layers. The cavity Internal corners 8 , chamfers 9 , grooves 10 and protruding lines 14 are also provided on the formwork member.

The present invention is also characterized in that the internal corners 8 , chamfers 9 , grooves 10 or holes 12 are arranged in parallel, orthogonal, oblique or vertical intersection or in a grid pattern. As shown in Figure 10, the upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and the internal corners 8, chamfers 9, grooves 10 and convex strips 14 are parallel to themselves or to each other. , Orthogonal, Oblique, or Overpass settings or grids.

The present invention is also characterized in that at least one of stiffening ribs 16 , stiffening rods 17 or stiffening ribs 18 is arranged in the closed cavity of the cavity formwork member. Fig. 11 is a schematic structural view of Embodiment 11 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower base plate 3 form a cavity formwork member, and the lower base plate 3 is a laminated layer 4 formed by laminating multiple layers. The cavity Stiffeners 16 , stiffeners 17 and ribs 18 are arranged in the closed cavity of the formwork member.

The present invention is also characterized in that at least one of the stiffening ribs 16, stiffening rods 17 or ribs 18 is exposed outside the cavity formwork member. As shown in FIG. 11, the stiffening ribs 16 and the stiffening rods 17 are partially exposed outside the formwork member.

The present invention is also characterized in that reinforcements 7 are exposed on the stiffening ribs 16 , stiffening rods 17 or ribs 18 .

The present invention is also characterized in that said stiffening ribs 16 , stiffening rods 17 or ribs 18 are superimposed on the prefabricated layer 5 .

The present invention is also characterized in that the tendon-like and mesh-like reinforcements 7 are exposed after lamination.

The present invention is also characterized in that a lightweight material 19 is arranged in the closed cavity of the cavity formwork member. Fig. 12 is a schematic structural view of Embodiment 12 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and a lightweight material 19 is arranged in the closed cavity of the cavity formwork member. The illustrated lightweight material 19 is expanded perlite.

The present invention is also characterized in that at least one of the upper plate 1 or the surrounding side walls 2 is a detachable movable part. Fig. 13 is a schematic structural view of Embodiment 13 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower base plate 3 form a cavity formwork member, and the lower base plate 3 is a laminated layer 4 formed by laminating multiple layers. The upper plate 1 is a movable and detachable fastening cover.

The present invention is also characterized in that at least one of the outer surfaces of the upper plate 1 or the surrounding side walls 2 of the cavity formwork member is a corrugated or serrated outer surface. Fig. 14 is a schematic structural view of Embodiment 14 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and the outer surfaces of the upper plate 1 and the surrounding side walls 2 are rough outer surfaces.

The present invention is also characterized in that a positioning member 20 is arranged on the cavity formwork member. Fig. 15 is a schematic structural view of Embodiment 15 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and a positioning member 20 is arranged on the cavity formwork member. The positioning member 20 is shown in the figure. Position the feet for support.

The present invention is also characterized in that the cavity formwork components are provided with connecting pieces 21 for connecting the cavity formwork components with each other. Fig. 16 is a schematic structural view of Embodiment 16 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and the cavity formwork member is provided with connectors 21 for connecting to each other. The illustrated connector 21 is a socket pipe.

The present invention is also characterized in that at least one outer side of at least one of the upper board 1 or the lower bottom board 3 has a protruding edge 22 . Fig. 17 is a schematic structural view of Embodiment 17 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and the lower bottom plate 3 protrudes from the raised edge 22.

The present invention is also characterized in that said flange 22 is a lamination layer flange. As shown in FIG. 17 , the upper plate 1 , the surrounding side walls 2 and the lower base plate 3 form a cavity formwork member, and the lower base plate 3 protrudes from a raised edge 22 , and the raised edge 22 is a laminated layer raised edge.

The present invention is also characterized in that a prefabricated layer 5 is superimposed on at least one of the upper plate 1 or the surrounding side walls 2 or the lower bottom plate 3 . As shown in FIG. 18 , a prefabricated layer 5 is stacked on the lower base plate 3 .

The present invention is also characterized in that the lower base plate 3 or the cast-in-place plaster layer 6 is made of cement mortar or polymer mortar, the upper plate 1 or the surrounding side wall 2 is made of cement fiber, and the prefabricated layer 5 It is made of lightweight aggregate concrete layer. As shown in Figure 7, the upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, the lower bottom plate 3 is a reinforced concrete lower floor, and the upper plate 1 and the surrounding side walls 2 are cement fiber mortar walls.

The present invention is also characterized in that the lower bottom plate 3 or the cast-in-place plastering layer 6 is made of concrete, and the wall of the upper plate 1 or the surrounding side walls 2 is made of cement fiber mesh or cement steel mesh or cement steel wire mesh, Its prefabricated layer 5 is made of air-entrained concrete layer.

The present invention is also characterized in that the lower bottom plate 3 or the cast-in-place plaster layer 6 is made of lightweight concrete or polymer concrete, the upper plate 1 or the surrounding side walls 2 are made of concrete plates, and the prefabricated layer 5 is made of cement mortar layer or cement fiber layer or cement wire mesh layer or cement concrete layer or reinforced concrete layer.

The present invention is also characterized in that the lower bottom plate 3 or the cast-in-place plaster layer 6 is made of polymer mortar, and the upper plate 1 or the surrounding side walls 2 are made of wood plywood, plastics, and metal profiled plates. , its prefabricated layer 5 is made of plastic board, metal profiled board or wood plywood.

The present invention is also characterized in that at least one of the upper plate 1, the surrounding side walls 2, the lower base plate 3, the prefabricated layer 5 or the cast-in-place plaster layer 6 is made of multiple layers of ribs or nets bonded with cementitious materials. The reinforcement 7 is superimposed. Fig. 18 is a schematic structural view of Embodiment 18 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom plate 3 form a cavity formwork member, and the upper plate 1 is composed of multi-layer mesh reinforcements 7 bonded with cementitious materials. superimposed.

The present invention is also characterized in that a carrier 23 is arranged on the cavity formwork member. As shown in FIG. 17 , a carrier 23 is provided on the flange 22 of the cavity formwork member.

When the present invention is implemented, an open cavity formwork with a prefabricated edge that is open on one side can be made first, then the lower bottom plate 3 is made, and the open cavity formwork is fastened on it before the slurry of the lower bottom plate 3 is condensed and hardened, and the After the slurry is solidified and hardened, it is cured to the specified age, and the cavity formwork member can be obtained.

Claims (32)

1. A cavity formwork member, comprising an upper plate (1), surrounding side walls (2), lower bottom plate (3), enclosed by the upper plate (1), surrounding side walls (2), and lower bottom plate (3) A cavity formwork member is formed, which is characterized in that the splicing parts between the upper plate (1) and the surrounding side walls (2) or between the surrounding side walls (2) and the lower bottom plate (2) or between the surrounding side walls (2) overlap The laminated layers (4) are combined to form an integral cavity formwork member through the laminated layers (4), and the laminated layers (4) include at least one prefabricated layer (5). 2. A cavity formwork member according to claim 1, characterized in that the laminated layer (4) is formed by laminating a prefabricated layer (5) and a prefabricated layer (5). 3. A cavity formwork member according to claim 1, characterized in that a cast-in-place plaster layer (6) is laminated on the prefabricated layer (5) of the laminated layer (4). 4. A cavity formwork member according to claim 3, characterized in that the laminated layer (4) is a prefabricated layer (5), a cast-in-place layer (6), and then One layer of prefabricated layer (5) is formed by stacking multiple layers. 5. A cavity formwork member according to claim 1, characterized in that the laminated layer (4) is a cast-in-place plaster layer (6), a prefabricated layer (5), and One layer of cast-in-situ plaster layer (6) is formed by stacking multiple layers. 6. A cavity formwork member according to claim 1, characterized in that the prefabricated layer (5) in the laminated layer (4) is connected to the upper plate (1) and the surrounding side walls (2) Or the prefabricated plate of the lower base plate (3). 7. A cavity formwork member according to claim 1, characterized in that the cast-in-place plaster layer in the laminated layer (4) is connected to the upper plate (1) or the surrounding side walls (2) Or the cast-in-place cast-in-place plastering layer formed together with the lower bottom plate (3). 8. A cavity formwork member according to claim 5, characterized in that the material of the prefabricated layer (5) of the laminated layer (4) is different from that of the cast-in-place layer (6). 9. A cavity formwork component according to claim 5, characterized in that the upper plate (1), the surrounding side walls (2), the lower bottom plate (3), and the prefabricated layer of the cavity formwork component are (5) or at least one of the cast-in-place plaster (6) contains a reinforcement (7), and extends into the adjacent wall for anchoring. 10. A cavity formwork member according to claim 9, characterized in that said reinforcement (7) is exposed outward. 11. A cavity formwork member according to claim 5, characterized in that the prefabricated layers (5) of the laminated layers (4) or between the cast-in-place and plastered layers (6) are bonded It can be stacked into a whole by means of jointing, snapping, welding, pressing, bolting, screwing or riveting. 12. A cavity formwork component according to any one of claims 1 to 11, characterized in that the cavity formwork component is also provided with internal corners (8) and chamfers (9) , groove (10), hole (12) or male angle (15) at least one. 13. A cavity formwork member according to claim 12, characterized in that said inner corners (8), chamfers (9), grooves (10) or holes (12) are parallel and positive to each other. Intersect, oblique or interchange settings or mutually form a grid-like setting. 14. A cavity formwork member according to any one of claims 1 to 11, characterized in that stiffeners (16), stiffening rods are arranged in the closed cavity of the cavity formwork member (17) or at least one of reinforcing ribs (18). 15. A cavity formwork member according to claim 14, characterized in that at least one of the stiffeners (16), stiffeners (17) or ribs (18) exposes the cavity formwork member outside. 16. A cavity formwork member according to claim 14, characterized in that reinforcements (7) are exposed on said stiffeners (16), stiffeners (17) or ribs (18). 17. A cavity formwork member according to claim 14, characterized in that said stiffeners (16), stiffeners (17) or ribs (18) are superimposed on the prefabricated layer (5). 18. A cavity formwork member according to claim 17, characterized in that the rib-like and net-like reinforcements (7) are exposed after lamination. 19. A cavity formwork member according to any one of claims 1 to 11, characterized in that a lightweight material (19) is arranged in the closed cavity of the cavity formwork member. 20. A cavity formwork member according to any one of claims 1 to 11, characterized in that at least one of the upper plate (1) or the surrounding side walls (2) is detachable moving parts. 21. A cavity formwork member according to any one of claims 1 to 11, characterized in that the outer surface of the upper plate (1) or surrounding side walls (2) of the cavity formwork member At least one of the surfaces is a corrugated or serrated outer surface. 22. A cavity formwork member according to any one of claims 1 to 11, characterized in that a positioning member (20) is arranged on the cavity formwork member. 23. A cavity form member according to any one of claims 1 to 11, characterized in that the cavity form member is provided with connecting pieces for connecting the cavity form members to each other (twenty one). 24. A cavity formwork member according to any one of claims 1 to 11, characterized in that at least one of the upper plate (1) or the lower bottom plate (3) has at least one outer extension There is no overhang (22). 25. A cavity formwork member according to claim 24, characterized in that said flange (22) is a lamination layer flange. 26. A cavity formwork member according to any one of claims 1 to 11, characterized in that at least One is superimposed with prefabricated layers (5). 27. A cavity formwork member according to claim 5, characterized in that the lower bottom plate (3) or the cast-in-place plaster (6) is made of cement mortar or polymer mortar, and the upper plate (1) or the surrounding side wall (2) is made of cement fiber, and its prefabricated layer (5) is made of lightweight aggregate concrete layer. 28. A cavity formwork member according to claim 5, characterized in that the lower bottom plate (3) or the cast-in-place plaster (6) is made of concrete, and the upper plate (1) or the surrounding The wall of the side wall (2) is made of cement fiber mesh or cement steel mesh or cement wire mesh, and its prefabricated layer (5) is made of air-entrained concrete layer. 29. A cavity formwork member according to claim 5, characterized in that the lower bottom plate (3) or the cast-in-place plaster (6) is made of lightweight concrete or polymer concrete, on which The wall of the board (1) or the surrounding side wall (2) is made of a concrete board, and its prefabricated layer (5) is made of a cement mortar layer or a cement fiber layer or a cement wire mesh layer or a cement concrete layer or a reinforced concrete layer. 30. A cavity formwork member according to claim 5, characterized in that the lower bottom plate (3) or the cast-in-place plaster (6) is made of polymer mortar, and the upper plate (1) Or the wall of the surrounding side wall (2) is made of wood plywood, plastics, metal profiled plate, and its prefabricated layer (5) is made of plastic plate, metal profiled plate or wood plywood. 31. A cavity formwork member according to claim 5, characterized in that the upper plate (1), surrounding side walls (2), lower bottom plate (3), prefabricated layer (5) or cast-in-place At least one of the freshly applied layers (6) is formed by laminating multiple layers of reinforcements (7) bonded with tendons or nets of cementitious materials. 32. A cavity formwork member according to any one of claims 1 to 11, characterized in that a carrier (23) is arranged on the cavity formwork member.

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