CN213449067U - Self-heat-preservation composite floor slab - Google Patents
Self-heat-preservation composite floor slab Download PDFInfo
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- CN213449067U CN213449067U CN202021710242.7U CN202021710242U CN213449067U CN 213449067 U CN213449067 U CN 213449067U CN 202021710242 U CN202021710242 U CN 202021710242U CN 213449067 U CN213449067 U CN 213449067U
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- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 238000004321 preservation Methods 0.000 title claims abstract description 18
- 239000004567 concrete Substances 0.000 claims abstract description 39
- 238000009413 insulation Methods 0.000 claims abstract description 32
- 239000010410 layer Substances 0.000 claims description 80
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 230000002787 reinforcement Effects 0.000 claims description 22
- 239000002344 surface layer Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 239000011381 foam concrete Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
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Abstract
The utility model discloses a self-insulation composite floor slab, which comprises a prefabricated floor slab, wherein a sandwich heat-insulation layer and a cast-in-place concrete layer are sequentially arranged above the prefabricated floor slab; and a shear key with low thermal conductivity is arranged between the prefabricated bottom plate layer and the cast-in-place concrete layer. The utility model discloses set up the sandwich heat preservation between prefabricated bottom plate layer and cast-in-place concrete layer, the creative heat preservation sets up the inside at the coincide floor, under the prerequisite of guaranteeing coincide floor structural strength, can enough guarantee that sandwich heat preservation is difficult for by the secondary destruction, promote user's use impression (including surface course and plastering layer all be difficult for splitting), can also improve the holistic thermal insulation performance of coincide floor; not only can ensure that the heat-insulating layer is not easy to be damaged and improve the use feeling of users, but also can improve the heat-insulating effect.
Description
Technical Field
The utility model relates to a heat preservation coincide floor, especially a self preservation temperature coincide floor.
Background
With the implementation of the development strategy of green buildings, the national requirements on building energy conservation are higher and higher, only the outer wall and the roof need to be insulated before, and the existing individual floor also needs to be insulated; therefore, each layer of household floor slab needs to be provided with a heat-insulating layer, and according to the difference of the arrangement positions of the heat-insulating layers, the existing construction method comprises the following two steps: 1) the heat-insulating layer is arranged above the structural layer; 2) the heat-insulating layer is arranged below the structural layer. However, when the insulating layer is above the structural layer, because the insulating layer is generally made of relatively loose and soft materials, after the surface layer is made on the insulating layer, the surface layer is easily stressed unevenly, cracks are generated, user experience is not good, and the insulating layer is easily damaged by users during secondary decoration of the building, so that the energy-saving effect of the building is influenced; when the heat-insulating layer is arranged below the structural layer, the heat-insulating layer is easy to damage, the energy-saving effect is influenced, the cohesiveness with the plastering layer is limited, and the plastering layer is easy to fall off. Therefore, the prior art has the problems that the heat insulation layer is easy to damage and the heat insulation effect is not ideal.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a self preservation temperature coincide floor. The utility model discloses can enough guarantee that the heat preservation is difficult for being destroyed, promote the user and use the impression, can improve the heat preservation effect again.
The technical scheme of the utility model: the self-insulation composite floor slab comprises a prefabricated floor slab, wherein a sandwich insulation layer and a cast-in-place concrete layer are sequentially arranged above the prefabricated floor slab; and a shear key with low thermal conductivity is arranged between the prefabricated bottom plate layer and the cast-in-place concrete layer.
In the self-insulation composite floor slab, the prefabricated floor slab layer comprises a prefabricated concrete structure, a prefabricated reinforcement framework is arranged in the prefabricated concrete structure, and a steel bar truss is arranged on the prefabricated reinforcement framework; the upper end of the steel bar truss is positioned in the sandwich heat-insulating layer.
In the self-insulation composite floor slab, the cast-in-place concrete layer comprises a cast-in-place concrete structure, and a cast-in-place steel reinforcement framework is arranged in the cast-in-place concrete structure.
In the self-insulation composite floor slab, the shear-resistant key is located between the prefabricated reinforcement cage and the cast-in-place reinforcement cage.
In the aforementioned self preservation temperature coincide floor, the shear key includes the shear key body, and both ends all are equipped with a plurality of reinforcing bar mounting grooves about the shear key body.
In the self-insulation composite floor slab, the shear keys are stainless steel shear keys.
In the self-insulation composite floor slab, a plastering layer is arranged below the prefabricated floor slab layer.
In the self-insulation composite floor slab, a surface layer is arranged above the cast-in-place concrete layer.
In the self-insulation composite floor slab, the sandwich insulation layer is made of foam concrete.
Compared with the prior art, the utility model discloses set up the sandwich heat preservation between prefabricated bottom plate layer and cast-in-place concrete layer, creative set up the heat preservation in the inside of coincide floor, under the prerequisite of guaranteeing coincide floor structural strength, can enough guarantee that the sandwich heat preservation is difficult for by secondary destruction, promotion user's use impression (including surface course and plastering layer all are difficult for splitting), can also improve the holistic thermal insulation performance of coincide floor. Meanwhile, the utility model reduces the height of the steel bar truss, and arranges the steel bar truss in the sandwich heat-insulating layer, thereby reducing the heat transfer between the prefabricated bottom plate layer and the cast-in-place concrete layer; through set up the shear key of low heat conductivity between prefabricated bottom plate layer and cast-in-place concrete layer, through the structure of rational design shear key, make it can satisfy the biography power requirement between prefabricated bottom plate and the cast in situ concrete to the existence of cold and hot bridge of reduction that can be very big, and then realize improving the purpose of thermal insulation performance. Additionally, the utility model discloses an upper and lower both ends at the shear key set up the steel bar installation groove to can fully combine with framework of steel reinforcement, improve holistic structural strength. The utility model discloses a self preservation temperature coincide floor, its give sound insulation and vibration isolation performance also are superior to ordinary floor, also can be used to give sound insulation and the high position of vibration isolation requirement. To sum up, the utility model discloses can enough guarantee that the heat preservation is difficult for being destroyed, promote the user and use the impression, can improve the heat preservation effect again.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a structural view of a prefabricated steel armature;
FIG. 3 is a structural view of a prefabricated floor layer;
FIG. 4 is a structural view of a sandwiched insulation layer;
FIG. 5 is a structural view of a prefabricated steel armature;
fig. 6 is a structural view of a shear key.
The labels in the figures are: 1-prefabricated bottom plate layer, 2-sandwich heat insulation layer, 3-cast-in-place concrete layer, 4-shear key, 101-prefabricated concrete structure, 102-prefabricated reinforcement cage, 103-steel bar truss, 301-cast-in-place concrete structure, 302-cast-in-place reinforcement cage, 401-shear key body, 402-steel bar installation groove, 5-plastering layer and 6-surface layer.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. The self-insulation composite floor slab comprises a prefabricated floor layer 1, wherein a sandwich insulation layer 2 and a cast-in-place concrete layer 3 are sequentially arranged above the prefabricated floor layer 1 as shown in figures 1 to 6; and a shear key 4 with low thermal conductivity is arranged between the prefabricated bottom plate layer 1 and the cast-in-place concrete layer 3.
The prefabricated floor layer 1 comprises a prefabricated concrete structure 101, a prefabricated reinforcement cage 102 is arranged in the prefabricated concrete structure 101, and a steel bar truss 103 is arranged on the prefabricated reinforcement cage 102; the upper end of the steel bar truss 103 is positioned in the sandwich insulating layer 2.
The cast-in-place concrete layer 3 comprises a cast-in-place concrete structure 301, and a cast-in-place steel reinforcement framework 302 is arranged in the cast-in-place concrete structure 301.
The shear keys 4 are located between the prefabricated steel reinforcement cage 102 and the cast-in-place steel reinforcement cage 302.
The shear key 4 comprises a shear key body 401, and a plurality of steel bar installation grooves 402 are formed in the upper end and the lower end of the shear key body 401.
The shear key 4 is a stainless steel shear key.
A plastering layer 5 is arranged below the prefabricated bottom plate layer 1.
A surface layer 6 is arranged above the cast-in-place concrete layer 3.
The sandwich heat-insulating layer 2 is made of foam concrete.
The thickness of the plastering layer is 10mm, the thickness of the prefabricated bottom plate layer is 60mm, the thickness of the sandwich heat-insulating layer is 30mm, the thickness of the cast-in-place concrete layer is 70mm, and the thickness of the surface layer is 30 mm.
A construction method of a self-insulation composite floor slab comprises the following specific steps:
1) binding the prefabricated reinforcement framework and the reinforcement truss, installing shear keys on the prefabricated reinforcement framework, pouring concrete, and curing to obtain a prefabricated bottom plate layer;
2) laying a sandwich heat-insulating layer above the prefabricated bottom plate layer, wherein the steel bar truss is positioned in the sandwich heat-insulating layer, and the upper end of the shear key is exposed out of the sandwich heat-insulating layer;
3) transporting the precast concrete with the sandwiched heat-insulating layer to a construction site, and hoisting the precast concrete in place;
4) binding a floor slab cast-in-place steel reinforcement framework at the upper end of the shear key, and pouring concrete to obtain a cast-in-place concrete layer;
5) and plastering the bottom of the board and constructing the surface layer of the board surface.
Claims (9)
1. Self preservation temperature coincide floor, its characterized in that: the concrete floor comprises a prefabricated floor layer (1), wherein a sandwich heat-insulating layer (2) and a cast-in-place concrete layer (3) are sequentially arranged above the prefabricated floor layer (1); and a shear key (4) with low thermal conductivity is arranged between the prefabricated bottom plate layer (1) and the cast-in-place concrete layer (3).
2. The self-insulation composite floor slab as recited in claim 1, wherein: the prefabricated floor layer (1) comprises a prefabricated concrete structure (101), a prefabricated reinforcement cage (102) is arranged in the prefabricated concrete structure (101), and a steel bar truss (103) is arranged on the prefabricated reinforcement cage (102); the upper end of the steel bar truss (103) is positioned in the sandwich heat-insulating layer (2).
3. The self-insulation composite floor slab as recited in claim 2, wherein: the cast-in-place concrete layer (3) comprises a cast-in-place concrete structure (301), and a cast-in-place steel reinforcement framework (302) is arranged in the cast-in-place concrete structure (301).
4. The self-insulation composite floor slab as recited in claim 3, wherein: the shear key (4) is positioned between the prefabricated reinforcement cage (102) and the cast-in-place reinforcement cage (302).
5. The self-insulation composite floor slab as recited in claim 1, wherein: the shear key (4) comprises a shear key body (401), and a plurality of steel bar installation grooves (402) are formed in the upper end and the lower end of the shear key body (401).
6. The self-insulation composite floor slab as recited in claim 1, wherein: the shear key (4) is a stainless steel shear key.
7. The self-insulation composite floor slab as recited in claim 1, wherein: a plastering layer (5) is arranged below the prefabricated bottom plate layer (1).
8. The self-insulation composite floor slab as recited in claim 1, wherein: a surface layer (6) is arranged above the cast-in-place concrete layer (3).
9. The self-insulation composite floor slab as recited in claim 1, wherein: the sandwich heat-insulating layer (2) is made of foam concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021710242.7U CN213449067U (en) | 2020-08-17 | 2020-08-17 | Self-heat-preservation composite floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021710242.7U CN213449067U (en) | 2020-08-17 | 2020-08-17 | Self-heat-preservation composite floor slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213449067U true CN213449067U (en) | 2021-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021710242.7U Active CN213449067U (en) | 2020-08-17 | 2020-08-17 | Self-heat-preservation composite floor slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213449067U (en) |
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2020
- 2020-08-17 CN CN202021710242.7U patent/CN213449067U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220708 Address after: 310028 building 43, 148 Tianmushan Road, Xihu District, Hangzhou City, Zhejiang Province Patentee after: THE ARCHITECTURAL DESIGN & RESEARCH INSTITUTE OF ZHEJIANG UNIVERSITY Co.,Ltd. Patentee after: Zhejiang University Address before: 310028 building 43, 148 Tianmushan Road, Xihu District, Hangzhou City, Zhejiang Province Patentee before: THE ARCHITECTURAL DESIGN & RESEARCH INSTITUTE OF ZHEJIANG UNIVERSITY Co.,Ltd. |