Novel anti-cracking cement prefabricated slab structure

Abstract

The utility model discloses a novel anti-cracking cement prefabricated slab structure, and relates to the technical field of building materials, the novel anti-cracking cement prefabricated slab structure comprises a cement prefabricated slab base, the inner side of the cement prefabricated slab base is provided with cement holes, the inner side of each cement hole is provided with a PVC pipe, the upper side and the lower side of each cement hole are provided with supporting steel bar nets, and the upper side and the lower side of each cement hole are provided with supporting steel bar nets. The PVC pipe can provide support when stress shrinkage occurs in the cement hole, the situation that the interior of the cement hole is not supported and cracks due to stress extrusion is avoided, when expansion occurs, the PVC pipe can also be used for extrusion limiting and is resistant to corrosion, and the crossed supporting steel bar nets can provide better tensile strength, so that the risk of cracking is reduced, and the service life of the cement hole is prolonged. And meanwhile, the steel wire mesh framework in the cement anti-cracking base can provide tensile capacity for cement and is matched with the supporting steel bar mesh, so that the effect that the surface and the interior are supported together is achieved, and the middle layer is prevented from cracking due to stress pulling.

Description

TECHNICAL FIELD

[0001] The utility model relates to building material technical field especially relates to a novel anti -cracking cement prefabricated slab structure. BACKGROUND

[0002] Cement prefabricated slab is a kind of building board that is made of cement, sandstone and other materials through stirring, forming and curing process, its appearance is smooth, size standard, high strength, has good durability and stability, it is widely used in building, road, bridge and other fields, especially in building field can be used in the floor, wall and other parts of building, cement prefabricated slab weight is moderate, convenient for transportation and installation, and construction is convenient, can reduce the workload of later decoration,

[0003] Through the search, the case of announcement number "CN215589507U" mentioned "the utility model discloses a cement prefabricated slab relates to prefabricated slab technical field, including the bottom plate body, the front and rear sides of the bottom plate body upper surface are all fixedly connected with first baffle, the left and right sides of the bottom plate body are all fixedly connected with second baffle, the front and rear sides of the bottom plate body upper surface are all placed with first formwork, the left and right sides of the bottom plate body upper surface are all placed with second formwork, the middle part of the bottom plate body upper surface is fixed and is provided with the first sliding groove that is symmetrical in front and back", when using, the cement prefabricated slab, first motor is fixedly connected with the side surface of first baffle that is close to each other, first screw rod is fixedly connected with the output end of first motor, second motor is fixedly connected with the left and right sides of bottom plate body upper surface, second screw rod is fixedly connected with the output end of second motor, in cooperation with first nut and second nut, can better carry out form removal and assembly to concrete prefabricated slab, reduce the tediousness of form removal process, but, in the existing building construction, cement prefabricated slab is widely used because of its rapid installation and cost effectiveness, however, the traditional cement prefabricated slab is prone to cracking caused by stress shrinkage or expansion during use, which not only affects the appearance, but also reduces the safety performance of structure.

[0004] Therefore, we provide a novel anti-cracking cement prefabricated slab structure to solve the above problems. UTILITY MODEL CONTENTS

[0005] The application provides a novel anti-cracking cement prefabricated slab structure, which solves the problem of cracking caused by stress shrinkage or expansion during use of the traditional cement prefabricated slab, affects the appearance and reduces the safety performance of structure.

[0006] The application provides a novel anti-cracking cement prefabricated slab structure, which comprises a cement prefabricated slab base, cement holes are arranged on the inner sides of the cement prefabricated slab base, PVC pipes are arranged on the inner sides of the cement holes, support steel bar meshes are arranged on the upper and lower sides of the cement holes, cement anti-cracking bases are arranged on the outer sides of the support steel bar meshes, and steel wire mesh frameworks are arranged on the inner sides of the cement anti-cracking bases.

[0007] Preferably, the PVC pipes and the cement holes are in adhesive connection, and the PVC pipes and the cement holes are in one-to-one correspondence.

[0008] Preferably, the support steel bar meshes and the cement prefabricated slab base are in adhesive connection, and the support steel bar meshes are in a vertical intersecting structure.

[0009] Preferably, the steel wire mesh frameworks and the cement anti-cracking base are in adhesive connection, and the steel wire mesh frameworks are in a cross-shaped mesh structure.

[0010] Preferably, a fiber reinforced layer is arranged on the upper layer of the cement anti-cracking base, and a cement sealing plate is in adhesive connection with the upper side of the fiber reinforced layer.

[0011] Preferably, a groove is arranged on the left side of the cement prefabricated slab base, a convex block is arranged on the right side of the cement prefabricated slab base, a rubber damping layer is in adhesive connection with the right side of the convex block, and embedding grooves are arranged on the upper and lower sides of the groove and the convex block.

[0012] Preferably, the groove and the convex block form the embedding grooves, and the combined embedding grooves are in a triangular structure.

[0013] According to the above technical scheme, the application provides a novel anti-cracking cement prefabricated slab structure, in use, two cement prefabricated slab bases are embedded together through a groove and a convex block, and a rubber damping layer is arranged between the two cement prefabricated slab bases for buffering, then an external caulking agent is applied to the embedding grooves, after installation, in use, the PVC pipes in the cement holes provide support for the stress and pulling force received by the cement holes, the support steel bar meshes provide support for the whole, the steel wire mesh frameworks in the cement anti-cracking bases provide traction for the internal stress, so that internal cracking is avoided, and the fiber reinforced layer under the cement sealing plate provides anti-cracking support for the surface structure, so that the use process of the novel anti-cracking cement prefabricated slab structure is completed.

[0014] Compared with the prior art, the application has the following beneficial effects:

[0015] 1、When need to use, PVC pipe can provide support when stress shrinkage occurs in the cement hole, avoid the inside of the cement hole from being extruded due to stress without support, cracking occurs, and when expansion occurs, it can also serve as extrusion limiting and is corrosion resistant, and the intersecting support steel bar mesh can provide better tensile strength, thereby reducing the risk of cracking and improving safety strength, while the steel wire mesh framework in the cement anti-cracking base can provide tensile capacity to the cement, and cooperate with the support steel bar mesh to achieve the effect of surface and internal common support, prevent the middle layer from cracking due to stress pulling, and the fiber reinforced layer can provide support to the cement sealing plate, thereby improving the compressive capacity of the cement sealing plate, avoiding the risk of cracking due to stress on the surface of the cement sealing plate, and achieving the effect of surface cracking prevention.

[0016] 2、In use, the use of grooves and protrusions can allow the cement precast slab base to be installed faster, and through the rubber shock absorbing layer, the problem of mutual extrusion of the grooves and protrusions due to stress expansion can be avoided, providing a pressure relief effect, and an external caulking agent can be used to perform caulking operation on the caulking groove, avoiding moisture from entering the middle of the grooves and protrusions, thereby causing corrosion and expansion.

[0017] In summary, the present application improves the stress resistance and prevents cracking by providing multiple layers of crack prevention from the inside to the surface. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the present application, the following will briefly introduce the drawings needed in the implementation examples. Obviously, for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 The overall appearance structure diagram of the present application is shown in the figure.

[0020] Figure 2 The split structure diagram of the cement precast slab base of the present application is shown in the figure.

[0021] Figure 3 The structure diagram of the cement anti-cracking base, steel wire mesh framework and fiber reinforced layer of the present application is shown in the figure.

[0022] Figure 4 The internal structure diagram of the cement precast slab base of the present application is shown in the figure.

[0023] Figure 5 The Figure 1 The enlarged view of point A in the figure.

[0024] In the figure: 1, cement prefabricated slab base; 2, cement hole; 3, PVC pipe; 4, support steel bar net; 5, cement anti-cracking base; 6, steel mesh framework; 7, fiber reinforced layer; 8, cement sealing plate; 9, groove; 10, protruding block; 11, rubber shock absorption layer; 12, caulking groove. DETAILED DESCRIPTION

[0025] In order to make the person skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings.

[0026] Reference Figures 1-5 A new type of anti-cracking cement prefabricated slab structure, including cement prefabricated slab base 1, the inner side of cement prefabricated slab base 1 is provided with cement hole 2, the inner side of cement hole 2 is provided with PVC pipe 3, the upper and lower sides of cement hole 2 are provided with support steel bar net 4, the outer side of support steel bar net 4 is provided with cement anti-cracking base 5, the inner side of cement anti-cracking base 5 is provided with steel mesh framework 6.

[0027] In the utility model, the PVC pipe 3 and the cement hole 2 are connected by adhesion, and the PVC pipe 3 and the cement hole 2 are one-to-one corresponding, when needing to use, the PVC pipe 3 can provide support when the cement hole 2 shrinks due to stress, so that the cement hole 2 is not cracked due to stress extrusion, and when expanding, it can also be extruded and limited, and it is corrosion resistant.

[0028] In the utility model, the support steel bar net 4 and the cement prefabricated slab base 1 are connected by adhesion, and the support steel bar net 4 is in a vertical cross structure, when needing to use, the support steel bar net 4 crossing each other can provide better tensile strength, so that the risk of cracking is reduced, and the safety strength is improved.

[0029] In the utility model, the steel mesh framework 6 and the cement anti-cracking base 5 are connected by adhesion, and the steel mesh framework 6 is in a cross net structure, when needing to use, the steel mesh framework 6 in the cement anti-cracking base 5 can provide the tensile capacity for the cement, and cooperates with the support steel bar net 4, so that the surface and the inside are supported together, and the middle layer is prevented from cracking due to stress pulling.

[0030] In the utility model, the upper layer of the cement anti-cracking base 5 is provided with the fiber reinforced layer 7, and the upper side of the fiber reinforced layer 7 is connected with the cement sealing plate 8 by adhesion, when needing to use, the fiber reinforced layer 7 can provide support for the cement sealing plate 8, so that the compressive capacity of the cement sealing plate 8 is improved, the risk of cracking due to stress on the surface of the cement sealing plate 8 is avoided, and the surface cracking is prevented.

[0031] The utility model discloses, cement prefabricated slab pedestal 1's left side is provided with recess 9, cement prefabricated slab pedestal 1's right side is provided with lug 10, and lug 10's right side is connected with rubber shock attenuation layer 11 with sticky, and recess 9 and lug 10's upper and lower sides are all provided with embedded joint groove 12, when needing to use, the use of recess 9 and lug 10 can make cement prefabricated slab pedestal 1 install faster, and through rubber shock attenuation layer 11, can avoid the problem of recess 9 and lug 10 mutual extrusion of stress expansion, provide the effect of pressure relief.

[0032] The utility model discloses, recess 9 and lug 10 constitute embedded joint groove 12, and the embedded joint groove 12 that combines into is triangular structure, when needing to use, can use the embedded joint agent of outside to carry out embedded joint operation to embedded joint groove 12, avoid the moisture into recess 9 and lug 10 between, to corrosion and expansion phenomenon occur.

[0033] From the above technical scheme can know, when using, two cement prefabricated slab pedestals 1 are embedded together through recess 9 and lug 10, and there is rubber shock attenuation layer 11 between the buffering, then the embedded joint agent of outside is daubed to embedded joint groove 12, after installing, in the use process, the stress pulling that PVC pipe 3 in cement hole 2 will provide support to cement hole 2, and the steel bar net 4 of supporting simultaneously provides support to the whole, and the steel wire net framework 6 in cement anti -cracking base 5 then provides traction to the internal stress, avoids internal cracking, and the fiber reinforced layer 7 under cement sealing plate 8 then carries out anti -cracking support to surface layer structure, like this has completed the use process of a kind of novel anti -cracking cement prefabricated plate structure.

[0034] Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the specification and examples be considered as exemplary only, with the true scope of the application being indicated by the following claims.

[0035] It should be understood that the application is not limited to the precise construction which has been described above and illustrated in the accompanying drawings, and that various modifications and changes can be made by those skilled in the art without departing from the scope of the application. The embodiments of the application set forth above are meant as illustrative only, and not limiting, of the scope of the application.

Claims

1. A new type of anti-cracking cement precast slab structure, comprising a cement precast slab base (1), characterized in that: The inner side of the cement prefabricated slab base (1) is provided with a cement hole (2), the inner side of the cement hole (2) is provided with a PVC pipe (3), the upper and lower sides of the cement hole (2) are provided with a support steel bar mesh (4), the outer side of the support steel bar mesh (4) is provided with a cement anti-cracking base (5), and the inner side of the cement anti-cracking base (5) is provided with a steel wire mesh framework (6).

2. A novel anti-cracking cement precast slab structure according to claim 1, characterized in that, The PVC pipe (3) and the cement hole (2) are adhesively connected, and the PVC pipe (3) and the cement hole (2) are one-to-one corresponding.

3. A novel anti-cracking cement precast slab structure according to claim 1, characterized in that, The support steel bar mesh (4) and the cement prefabricated slab base (1) are adhesively connected, and the support steel bar mesh (4) is in a vertical cross structure.

4. A novel anti-cracking cement precast slab structure according to claim 1, characterized in that, The steel wire mesh framework (6) and the cement anti-cracking base (5) are adhesively connected, and the steel wire mesh framework (6) is in a cross-mesh structure.

5. A novel anti-cracking cement precast slab structure according to claim 1, characterized in that, The upper layer of the cement anti-cracking base (5) is provided with a fiber reinforced layer (7), and the upper side of the fiber reinforced layer (7) is adhesively connected with a cement sealing plate (8).

6. A novel anti-cracking cement precast slab structure according to claim 1, characterized in that, The left side of the cement prefabricated slab base (1) is provided with a groove (9), the right side of the cement prefabricated slab base (1) is provided with a protruding block (10), the right side of the protruding block (10) is adhesively connected with a rubber shock absorption layer (11), and the upper and lower sides of the groove (9) and the protruding block (10) are provided with a caulking groove (12).

7. A novel anti-cracking cement precast slab structure according to claim 6, characterized in that, The groove (9) and the protruding block (10) constitute the caulking groove (12), and the combined caulking groove (12) is in a triangular structure.

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