CN214941503U - Superimposed sheet structure convenient for pipeline to pass through - Google Patents

Superimposed sheet structure convenient for pipeline to pass through Download PDF

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Publication number
CN214941503U
CN214941503U CN202120993837.6U CN202120993837U CN214941503U CN 214941503 U CN214941503 U CN 214941503U CN 202120993837 U CN202120993837 U CN 202120993837U CN 214941503 U CN214941503 U CN 214941503U
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China
Prior art keywords
pipeline
steel bar
concrete layer
cast
bar truss
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Active
Application number
CN202120993837.6U
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Chinese (zh)
Inventor
苏程祥
蒋昊
孙明
朱文举
王景
仇成
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Shanghai Kaihui Architectural Design Co ltd
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Shanghai Kaihui Architectural Design Co ltd
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Priority to CN202120993837.6U priority Critical patent/CN214941503U/en
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Abstract

The utility model relates to a make things convenient for superimposed sheet structure that pipeline passed through, including precast concrete layer, cast-in-place concrete layer, steel bar truss and pipeline, the steel bar truss rigid coupling is on precast concrete layer, cast-in-place concrete layer is located precast concrete layer top, the pipeline is laid on cast-in-place concrete layer, and steel bar truss corresponds the disconnection of pipeline position and forms the breach. One of the functions of the steel bar truss is to strengthen the self rigidity of the prefabricated floor slab and prevent the floor slab from cracking in the processes of manufacturing, demoulding, transporting and installing, so that the position of the steel bar truss corresponding to a pipeline is disconnected, the prefabricated slab can not crack, the occlusion effect of the prefabricated part and the cast-in-place part can not be influenced, the problem that a crossed pipeline cannot penetrate through the bottom of the steel bar of the laminated slab truss is solved, the building cost is not increased, and the steel bar truss has a good popularization prospect.

Description

Superimposed sheet structure convenient for pipeline to pass through
Technical Field
The utility model relates to a building field, in particular to make things convenient for superimposed sheet structure that pipeline passed through.
Background
At present, the country is vigorously promoting housing industrialization, and building parts which are cast in the construction site are changed into factory production and then are assembled in the site. This produces the following effects: 1) the pollution of the field garbage to the environment is reduced. 2) After the industrialized production is carried out, a large amount of labor cost is saved.
Due to earthquake resistance, the floor slab cannot be completely prefabricated, and only a laminated slab (namely, the bottom of the floor slab is prefabricated in a factory by 60 mm, and the upper surface of the floor slab is cast in situ by 60 mm) can be adopted. Because the height of the cast-in-place part is only 60 mm, and only 35 mm of net height is left after deducting 25 mm of the upper part (the diameter of the truss top rib is 10 mm and the thickness of the protective layer is 15 mm), when a cross pipeline exists, the cross pipeline cannot penetrate through the bottom of the truss reinforcing steel bar, the thickness of the cast-in-place layer is usually increased, but the construction cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a superimposed sheet structure that pipeline passed through truss reinforcing bar bottom, need not increase thick, the building cost is low makes things convenient for the pipeline to pass through.
The purpose of the utility model is realized like this:
a laminated slab structure facilitating pipeline crossing comprises a precast concrete layer, a cast-in-place concrete layer, a steel bar truss and a pipeline, wherein the steel bar truss is fixedly connected to the precast concrete layer, the cast-in-place concrete layer is located above the precast concrete layer, the pipeline is laid on the cast-in-place concrete layer, and the steel bar truss is disconnected corresponding to the pipeline to form a notch.
One of the functions of the steel bar truss is to strengthen the self rigidity of the prefabricated floor slab and prevent the floor slab from cracking in the processes of manufacturing, demoulding, transporting and installing. The steel bar truss has the other function of strengthening the meshing effect of the prefabricated part and the cast-in-place part of the laminated slab, so that the laminated slab and the cast-in-place part are stressed together as a whole, and the meshing effect of the prefabricated part and the cast-in-place part cannot be influenced by locally breaking the truss gluten, so that the prefabricated slab cannot crack when the position of the steel bar truss corresponding to a pipeline is broken, the meshing effect of the prefabricated part and the cast-in-place part cannot be influenced, the problem that a crossed pipeline cannot penetrate through the bottom of the steel bar of the laminated slab truss is solved, the building cost is not increased, and the steel bar truss has a good popularization prospect.
The purpose of the utility model can also adopt the following technical measures to solve:
furthermore, the precast concrete layer is provided with a lower chord rib and a floor bottom rib in the other direction, the lower chord rib and the floor bottom rib in the other direction are arranged on the same plane in a staggered mode to form a net structure, the cast-in-place concrete layer is provided with an upper chord rib, the upper chord rib is parallel to the lower chord rib, a web member is arranged between the upper chord rib and the lower chord rib, the web member, the upper chord rib and the lower chord rib are fixedly connected, and the adjacent lower chord rib, the upper chord rib and the web member form the steel bar truss.
Furthermore, the lower chord rib, the upper chord rib and the web members of the position, corresponding to the pipeline, of the steel bar truss are disconnected.
The utility model has the advantages as follows:
the utility model discloses, one of steel bar truss's effect is firstly to strengthen prefabricated floor's self rigidity, prevents that the floor from ftractureing in preparation, drawing of patterns, transportation, installation, owing to when laying the pipeline, and "preparation, drawing of patterns, transportation, installation" procedure has been accomplished to prefabricated floor, and the bottom sprag has installed in place, can not cause the prefabricated plate fracture with steel bar truss disconnection. The steel bar truss has the other function of strengthening the meshing effect of the prefabricated part and the cast-in-place part of the laminated slab, so that the laminated slab and the cast-in-place part are stressed together as a whole, and the meshing effect of the prefabricated part and the cast-in-place part cannot be influenced by locally breaking the truss gluten, so that the prefabricated slab cannot crack when the position of the steel bar truss corresponding to a pipeline is broken, the meshing effect of the prefabricated part and the cast-in-place part cannot be influenced, the problem that a crossed pipeline cannot penetrate through the bottom of the steel bar of the laminated slab truss is solved, the building cost is not increased, and the steel bar truss has a good popularization prospect.
Drawings
FIG. 1 is a schematic view of a laminated plate structure for facilitating pipeline crossing.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
FIG. 3 is a sectional view taken along line B-B of FIG. 1.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
embodiment, referring to fig. 1 to 3, a composite slab structure for facilitating pipeline crossing includes a precast concrete layer 1, a cast-in-place concrete layer 2, a steel bar truss 3, and a pipeline 4.
The steel bar truss is characterized in that the precast concrete layer 1 is provided with a lower chord rib 5 and a floor slab bottom rib 6 in the other direction, the lower chord rib 5 and the floor slab bottom rib 6 in the other direction are arranged in a staggered mode on the same plane to form a net structure, the cast-in-place concrete layer 2 is located above the precast concrete layer 1, the cast-in-place concrete layer 2 is provided with an upper chord rib, the upper chord rib 7 is parallel to the lower chord rib 5, a web member 8 is arranged between the upper chord rib 7 and the lower chord rib 5, the web member 8, the upper chord rib 7 and the lower chord rib 5 are fixedly connected, and the steel bar truss 3 is formed by the adjacent lower chord rib 5, the upper chord rib 7 and the web member 8.
The pipeline 4 is laid on the cast-in-place concrete layer 2, and the lower chord rib 5, the upper chord rib 7 and the web members 8 of the steel bar truss 3 corresponding to the pipeline 4 are disconnected to form a gap 9.
One of the functions of the steel bar truss 3 is to strengthen the self rigidity of the prefabricated floor slab and prevent the floor slab from cracking in the processes of manufacturing, demoulding, transporting and installing, and because the prefabricated floor slab finishes the procedures of manufacturing, demoulding, transporting and installing when the pipeline 4 is laid, the bottom support is installed in place, and the steel bar truss 3 is disconnected, the prefabricated slab can not crack. The steel bar truss 3 has the other function of strengthening the meshing effect of the prefabricated part and the cast-in-place part of the laminated slab, so that the laminated slab and the cast-in-place part are stressed together as a whole, and the meshing effect of the prefabricated part and the cast-in-place part cannot be influenced by locally breaking the truss gluten, so that the steel bar truss 3 is broken at the position corresponding to the pipeline 4, the prefabricated slab cannot crack, the meshing effect of the prefabricated part and the cast-in-place part cannot be influenced, the problem that the pipeline 4 cannot penetrate through the bottom of the steel bar of the laminated slab truss is solved, the building cost is not increased, and the composite slab and the cast-in-place part have good popularization prospects.

Claims (3)

1. The utility model provides a make things convenient for superimposed sheet structure that pipeline passed through, includes precast concrete layer, cast-in-place concrete layer, steel bar truss and pipeline, the steel bar truss rigid coupling is on precast concrete layer, cast-in-place concrete layer is located precast concrete layer top, its characterized in that: the pipeline is laid on the cast-in-place concrete layer, and the position, corresponding to the pipeline, of the steel bar truss is broken to form a notch.
2. The composite slab structure facilitating pipeline traversal of claim 1, wherein: the prefabricated concrete layer is provided with a lower chord rib and a floor bottom rib in the other direction, the lower chord rib and the floor bottom rib in the other direction are arranged on the same plane in a staggered mode to form a net-shaped structure, the cast-in-place concrete layer is provided with an upper chord rib, the upper chord rib is parallel to the lower chord rib, a web member is arranged between the upper chord rib and the lower chord rib, the web member, the upper chord rib and the lower chord rib are fixedly connected, and the adjacent lower chord rib, the upper chord rib and the web member form the steel bar truss.
3. The composite slab structure facilitating pipeline traversal of claim 2, wherein: and the lower chord rib, the upper chord rib and the web members of the positions, corresponding to the pipelines, of the steel bar truss are disconnected.
CN202120993837.6U 2021-05-10 2021-05-10 Superimposed sheet structure convenient for pipeline to pass through Active CN214941503U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120993837.6U CN214941503U (en) 2021-05-10 2021-05-10 Superimposed sheet structure convenient for pipeline to pass through

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120993837.6U CN214941503U (en) 2021-05-10 2021-05-10 Superimposed sheet structure convenient for pipeline to pass through

Publications (1)

Publication Number Publication Date
CN214941503U true CN214941503U (en) 2021-11-30

Family

ID=79063431

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120993837.6U Active CN214941503U (en) 2021-05-10 2021-05-10 Superimposed sheet structure convenient for pipeline to pass through

Country Status (1)

Country Link
CN (1) CN214941503U (en)

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