CN219118516U

CN219118516U - Assembled building superimposed sheet

Info

Publication number: CN219118516U
Application number: CN202222588515.0U
Authority: CN
Inventors: 聂云涛; 王树森; 王华光
Original assignee: Shandong Shengze Construction Co ltd
Current assignee: Shandong Shengze Construction Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-06-02
Anticipated expiration: 2032-09-28

Abstract

The utility model relates to the technical field of building floor slabs and discloses an assembled building laminated slab, which comprises a prefabricated bottom plate and a cast-in-situ laminated layer, wherein the cast-in-situ laminated layer is paved on the upper side of the prefabricated bottom plate, the prefabricated bottom plate comprises a substrate layer and a bottom plate reinforcing steel mesh, the bottom plate reinforcing steel mesh is arranged in the substrate layer, a plurality of steel bar trusses are longitudinally bound on the upper side of the bottom plate reinforcing steel mesh through steel wires, a plurality of lifting hooks are rectangular on the upper side of the bottom plate reinforcing steel mesh, two first reinforcing steel bars are transversely bound on the lower side of the bottom plate reinforcing steel mesh through steel wires, a plurality of shear-resistant grooves are longitudinally formed on the upper surface of the substrate layer, the cast-in-situ laminated layer comprises a concrete layer and a cast-in-situ reinforcing steel mesh, and two second reinforcing steel bars are transversely bound on the upper side of the cast-in-situ reinforcing steel mesh through steel wires. According to the utility model, the overall bearing performance of the laminated slab is improved, and the stability of the prefabricated bottom plate during hoisting is enhanced, so that the prefabricated bottom plate is convenient to transport.

Description

Assembled building superimposed sheet

Technical Field

The utility model relates to the technical field of building floors, in particular to an assembled building laminated slab.

Background

The assembled building has been widely developed due to the advantages of short construction period, low cost and the like; the assembled development promotes the factory production of prefabricated components, the laminated slab is an important part in the factory production process, the base plate is made of yellow sand, cement and paper pulp, the keel is arranged on the base plate, then the steel bar truss is welded on the keel, and the laminated slab is made to replace the traditional steel, aluminum and wood templates, and the building laminated slab is an assembled integral floor slab formed by laminating prefabricated slabs and cast-in-situ reinforced concrete layers, the upper surface and the lower surface of the slab are smooth, decoration of a finish layer is facilitated, and the laminated slab is suitable for high-rise buildings and large-bay buildings with high overall rigidity requirements.

The structural design in the prefabricated plate in the existing assembled laminated slab is not reasonable enough, and the overall bearing performance is reduced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an assembled building laminated slab.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the fabricated building laminated slab comprises a prefabricated bottom plate and a cast-in-situ laminated layer, wherein the cast-in-situ laminated layer is paved on the upper side of the prefabricated bottom plate;

the prefabricated bottom plate comprises a substrate layer and a bottom plate steel bar net piece, wherein the bottom plate steel bar net piece is arranged inside the substrate layer, a plurality of steel bar trusses are longitudinally bound on the upper side of the bottom plate steel bar net piece through steel wires, a plurality of lifting hooks are arranged on the upper side of the bottom plate steel bar net piece in a rectangular shape, two first reinforcing steel bars are crossed on the lower side of the bottom plate steel bar net piece through steel wires in a binding mode, and a plurality of shear grooves are longitudinally formed in the upper surface of the substrate layer;

the cast-in-situ lamination layer comprises a concrete layer and a newly-tied reinforcing steel bar net sheet, and two second reinforcing steel bars are bound on the upper side of the newly-tied reinforcing steel bar net sheet in a crossed manner through steel wires.

As a further description of the above technical solution:

the bottom plate reinforcing steel bar net piece comprises a plurality of first stress reinforcing steel bars and a plurality of structure reinforcing steel bars, and the first stress reinforcing steel bars and the structure reinforcing steel bars are fixed in a staggered mode through steel wire binding.

As a further description of the above technical solution:

the steel bar net piece is pricked in the present and is included a plurality of second atress reinforcing bars and third atress reinforcing bars, and a plurality of second atress reinforcing bars and a plurality of third atress reinforcing bars are crisscross fixed through the steel wire ligature.

As a further description of the above technical solution:

the lifting hooks are fixedly connected to the outer walls of the corresponding structural steel bars respectively, and the heights of the tops of the lifting hooks are lower than those of the tops of the steel bar trusses.

As a further description of the above technical solution:

the thickness of the substrate layer is 60-70mm.

As a further description of the above technical solution:

the thickness of the concrete layer is 60-70mm.

As a further description of the above technical solution:

the depth of the shearing groove is 5-10mm.

The utility model has the following beneficial effects:

1. according to the utility model, the transverse and longitudinal compressive shear strength of the bottom plate reinforcing steel mesh sheet and the newly-bundled reinforcing steel mesh sheet is increased through the first reinforcing steel bars and the second reinforcing steel bars, and meanwhile, the compact type connection between the prefabricated bottom plate and the cast-in-situ laminated layer is improved through the shearing resistant grooves, and the longitudinal shearing resistance of the laminated plate is improved, so that the overall bearing performance of the laminated plate is improved.

2. According to the utility model, the plurality of lifting hooks are arranged in a rectangular shape, so that the lifting hook is beneficial to lifting and is used, and the stability during lifting is enhanced.

3. According to the utility model, the height of the lifting hook is set to be lower than the height of the steel bar truss, so that a plurality of prefabricated bottom plates can be stacked and placed during transportation, the lower surface of the substrate layer in the upper prefabricated bottom plate is placed on the upper side of a plurality of steel bar trusses in the lower prefabricated bottom plate, and transportation is facilitated.

Drawings

FIG. 1 is a side view of a fabricated building block according to the present utility model;

FIG. 2 is a front view of an assembled building block according to the present utility model;

FIG. 3 is a front view of an assembled building block according to the present utility model;

fig. 4 is a schematic view of a slide rail of an assembled building laminated slab according to the present utility model.

Legend description:

1. prefabricating a bottom plate; 101. a substrate layer; 102. a bottom plate reinforcing steel bar net sheet; 103. a first reinforcing bar; 104. steel bar truss; 105. a lifting hook; 106. a first stressed steel bar; 107. structural steel bars; 108. a shear groove; 2. casting a laminated layer in situ; 201. a concrete layer; 202. binding reinforcing steel meshes; 203. a second stressed steel bar; 204. thirdly, a stressed steel bar; 205. and a second reinforcing steel bar.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the prefabricated building laminated slab comprises a prefabricated bottom plate 1 and a cast-in-situ laminated layer 2, wherein the prefabricated bottom plate 1 is manufactured in a factory, the cast-in-situ laminated layer 2 is paved on the upper side of the prefabricated bottom plate 1, and the cast-in-situ laminated layer 2 is paved on the upper side of the prefabricated bottom plate 1 after the prefabricated bottom plate 1 is hoisted to a building roof;

the prefabricated bottom plate 1 comprises a substrate layer 101 and a bottom plate steel bar net piece 102, wherein the substrate layer 101 is made of yellow sand, cement and paper pulp, the bottom plate steel bar net piece 102 is arranged in the substrate layer 101, the substrate layer 101 is poured and paved on the outer side of the bottom plate steel bar net piece 102, a plurality of steel bar trusses 104 are longitudinally bound on the upper side of the bottom plate steel bar net piece 102 through steel wires, the steel bar trusses 104 are formed by binding a plurality of steel bars through steel wires and are used for increasing the bearing performance of the laminated slab, the upper side of the bottom plate steel bar net piece 102 is rectangular and provided with a plurality of lifting hooks 105, the lifting hooks 105 are used for lifting the prefabricated bottom plate 1 to a building roof, meanwhile, the lifting hooks 105 are rectangular and are arranged at right angles, so that the lifting is beneficial to the lifting and the stability during lifting is enhanced, the lower side of the bottom plate steel bar net piece 102 is crossed and is bound with two first reinforcing steel bars 103 which are crossed on the lower side of the bottom plate steel bar net piece 102 through steel wires, the upper surface of the substrate layer 101 is longitudinally provided with a plurality of shearing resistant grooves 108, and the shearing resistant grooves 108 are used for improving the bearing performance of the laminated slab which is connected with the prefabricated bottom plate 1 and the cast-in place layer 2;

the cast-in-situ lamination layer 2 comprises a concrete layer 201 and a newly-tied reinforcing steel bar net 202, wherein the upper sides of the newly-tied reinforcing steel bar net 202 are crossed, two second reinforcing steel bars 205 are fixedly bound through steel wires, and the two crossed second reinforcing steel bars 205 are bound on the lower sides of the newly-tied reinforcing steel bar net 202 through the steel wires, so that the bearing performance of the newly-tied reinforcing steel bar net 202 is enhanced.

The bottom plate reinforcing bar net piece 102 includes a plurality of first atress reinforcing bars 106 and a plurality of structure reinforcing bars 107, a plurality of first atress reinforcing bars 106 and a plurality of structure reinforcing bars 107 are the staggered arrangement and pass through steel wire ligature, make the inside reinforcing bar distribution design of base plate layer 101 reasonable, help improving holistic bearing performance, the present steel bar net piece 202 includes a plurality of second atress reinforcing bars 203 and third atress reinforcing bars 204, a plurality of second atress reinforcing bars 203 and a plurality of third atress reinforcing bars 204 are the staggered arrangement and pass through steel wire ligature, make the inside reinforcing bar distribution design of concrete layer 201 reasonable, help improving holistic bearing performance, a plurality of lifting hooks 105 bottom are fixed connection respectively in a plurality of structure reinforcing bars 107 outer wall that corresponds, a plurality of lifting hooks 105 summit height all is less than steel bar truss 104 summit height, through setting up lifting hooks 105 summit height to be less than steel bar truss 104 height, make a plurality of prefabricated bottom plate 1 stack and place, make the base plate layer 101 lower surface place a plurality of steel bar trusses 104 upside in prefabricated bottom plate 1 in downside prefabricated bottom plate 1 in the transportation, be convenient for transport, base plate layer thickness is 60-70mm, thickness is 60-108 mm, the depth of soil layer thickness is 10mm.

Working principle: when the prefabricated bottom plate 1 is manufactured in a factory, a plurality of first stressed steel bars 106 and a plurality of structural steel bars 107 are arranged in a staggered mode and are bound and fixed through steel wires to form a bottom plate steel bar net sheet 102, two first reinforcing steel bars 103 are intersected and bound on one side of the bottom plate steel bar net sheet 102 through steel wires, four lifting hooks 105 are welded and fixed on a plurality of structural steel bars 107 on the other side of the bottom plate steel bar net sheet 102 in a rectangular mode, a plurality of steel bar trusses 104 are longitudinally arranged and bound on the bottom plate steel bar net sheet 102 through steel wires, and then a substrate layer 101 is poured on the outer side of the bottom plate steel bar net sheet 102 through a die; the prefabricated bottom plates 1 are transported to a building site through transportation, the prefabricated bottom plates 1 are hoisted to a building roof through the lifting hooks 105, then the second stressed steel bars 203 and the third stressed steel bars 204 are placed on the upper sides of the steel bar trusses 104 in a staggered mode and are fixed through steel wire binding, and after the prefabricated bottom plates 1 are combined and arranged fixedly, the concrete layer 201 is paved, so that the fabricated laminated slab is paved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides an assembled building superimposed sheet, includes prefabricated bottom plate (1) and cast-in-place coincide layer (2), its characterized in that: the cast-in-situ lamination layer (2) is arranged on the upper side of the prefabricated bottom plate (1);

the prefabricated bottom plate (1) comprises a substrate layer (101) and a bottom plate reinforcing steel mesh (102), the bottom plate reinforcing steel mesh (102) is arranged inside the substrate layer (101), a plurality of steel bar trusses (104) are longitudinally arranged on the upper side of the bottom plate reinforcing steel mesh (102), a plurality of lifting hooks (105) are arranged on the upper side of the bottom plate reinforcing steel mesh (102) in a rectangular shape, two first reinforcing steel bars (103) are arranged on the lower side of the bottom plate reinforcing steel mesh (102) in a crossing mode, and a plurality of shearing resistant grooves (108) are longitudinally formed in the upper surface of the substrate layer (101);

the cast-in-situ lamination layer (2) comprises a concrete layer (201) and a newly-bundled reinforcing steel mesh (202), and two second reinforcing steel bars (205) are arranged on the upper side of the newly-bundled reinforcing steel mesh (202) in a crossing manner.

2. A fabricated building composite sheet according to claim 1, wherein: the bottom plate reinforcing steel bar net piece (102) comprises a plurality of first stress reinforcing steel bars (106) and a plurality of structure reinforcing steel bars (107), and the first stress reinforcing steel bars (106) and the structure reinforcing steel bars (107) are arranged in a staggered mode.

3. A fabricated building composite sheet according to claim 1, wherein: the newly-pricked reinforcing steel bar net piece (202) comprises a plurality of second stress reinforcing steel bars (203) and third stress reinforcing steel bars (204), and the second stress reinforcing steel bars (203) and the third stress reinforcing steel bars (204) are arranged in an staggered mode.

4. A fabricated building composite sheet according to claim 1, wherein: the bottom ends of the lifting hooks (105) are respectively and fixedly connected to the outer walls of the corresponding structural steel bars (107), and the heights of the top points of the lifting hooks (105) are lower than those of the top points of the steel bar trusses (104).

5. A fabricated building composite sheet according to claim 1, wherein: the thickness of the substrate layer (101) is 60-70mm.

6. A fabricated building composite sheet according to claim 1, wherein: the thickness of the concrete layer (201) is 60-70mm.

7. A fabricated building composite sheet according to claim 1, wherein: the depth of the shearing groove (108) is 5-10mm.