CN219825776U - Hollow concrete superposed floor system - Google Patents
Hollow concrete superposed floor system Download PDFInfo
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- CN219825776U CN219825776U CN202320160322.7U CN202320160322U CN219825776U CN 219825776 U CN219825776 U CN 219825776U CN 202320160322 U CN202320160322 U CN 202320160322U CN 219825776 U CN219825776 U CN 219825776U
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- hollow
- floor system
- composite floor
- concrete composite
- hollow concrete
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 13
- 239000002131 composite material Substances 0.000 claims description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 230000002787 reinforcement Effects 0.000 claims description 11
- 238000004873 anchoring Methods 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000004321 preservation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model relates to a hollow concrete superposed floor system, comprising: the top surface of the precast slab is provided with a plurality of ribs which are arranged in a transverse and longitudinal staggered way, and a plurality of installation spaces are formed by enclosing the ribs which are arranged in the transverse and longitudinal staggered way; a hollow block disposed in the installation space; the top steel bar is arranged on the hollow block; and pouring a cast-in-place concrete structure which is formed on the precast slab and is used for burying and fixing the hollow block and the top steel bar. The hollow concrete superposed floor system of the utility model eliminates secondary beams, and the hollow blocks are arranged in the floor slab to reduce the dead weight of the floor slab, thereby realizing the effect of no beams under the precast slab, increasing the clearance of the building, improving the utilization rate of the indoor space of the building, and increasing the sound insulation and heat preservation performance of the floor system by arranging the hollow blocks in the floor slab.
Description
Technical Field
The utility model relates to the field of building construction engineering, in particular to a hollow concrete superposed floor system.
Background
The development of fabricated structures is becoming more and more widespread, and various enterprises, universities and scientific research institutes are developing or improving existing fabricated systems to the greatest extent. At present, a common floor system in the industry is a concrete composite floor slab and a main and secondary beam system, namely, a main beam and a secondary beam are arranged below the concrete composite floor slab, and the existence of the secondary beam of the floor generally reduces the building clearance of the area, so that the utilization rate of the indoor space of the building is affected.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, provides a hollow concrete composite floor, and solves the problems that the building clearance is reduced and the indoor space utilization rate of a building is affected in the existing floor system of a concrete composite floor slab and a main beam and a secondary beam.
The technical scheme for achieving the purpose is as follows:
the utility model provides a hollow concrete superposed floor system, which comprises:
the top surface of the precast slab is provided with a plurality of ribs which are arranged in a transverse and longitudinal staggered way, and a plurality of installation spaces are formed by enclosing the ribs which are arranged in the transverse and longitudinal staggered way;
a hollow block disposed in the installation space;
the top steel bar is arranged on the hollow block; and
and pouring a cast-in-place concrete structure which is formed on the precast slab and is used for burying and fixing the hollow block and the top steel bar.
The hollow concrete superposed floor system of the utility model eliminates secondary beams, and the hollow blocks are arranged in the floor slab to reduce the dead weight of the floor slab, thereby realizing the effect of no beams under the precast slab, increasing the clearance of the building, improving the utilization rate of the indoor space of the building, and increasing the sound insulation and heat preservation performance of the floor system by arranging the hollow blocks in the floor slab.
The hollow concrete superposed floor system is further improved in that the size of the hollow block is matched with the size of the installation space.
The hollow concrete superposed floor system is further improved in that the hollow blocks are hollow box bodies or hollow foam blocks.
The hollow concrete superposed floor system is further improved in that the precast slab is internally provided with bottom reinforcing steel bars.
The hollow concrete superposed floor system is further improved in that the precast slab is internally provided with a vertically arranged reinforcing steel bar net, the reinforcing steel bar net is arranged at the rib, and part of the reinforcing steel bar net protrudes out of the rib to form an anchoring part.
The hollow concrete superposed floor system is further improved in that the anchoring part is connected with the top steel bars.
The hollow concrete superposed floor system is further improved in that the prefabricated plates are internally provided with steel wire meshes.
The hollow concrete superposed floor system is further improved in that the precast slab is also internally provided with the bottom longitudinal ribs, and the bottom longitudinal ribs are arranged in the ribs.
The hollow concrete superposed floor system is further improved in that the precast slab is also internally provided with an inner stirrup connected with the bottom longitudinal rib, and part of the inner stirrup protrudes out of the rib to form a connecting part.
The hollow concrete superposed floor system is further improved in that the hollow concrete superposed floor system further comprises a top longitudinal rib arranged above the rib, the top longitudinal rib and the bottom longitudinal rib are arranged opposite to each other, and the connection part of the top longitudinal rib and the inner stirrup is fixedly connected.
Drawings
Fig. 1 is a plan view of a hollow concrete composite floor system of the present utility model.
Fig. 2 is a cross-sectional view of A1-A1 in fig. 1.
Fig. 3 is a cross-sectional view of A2-A2 in fig. 1.
Fig. 4 is a schematic diagram of a connection structure between a hollow concrete laminated floor and a frame beam.
Fig. 5 is a transverse cross-sectional view of another embodiment of the hollow concrete composite floor system of the present utility model.
Fig. 6 is a longitudinal sectional view of another embodiment of the hollow concrete composite floor system of the present utility model.
Detailed Description
The utility model will be further described with reference to the drawings and the specific examples.
Referring to fig. 1, the utility model provides a hollow concrete superposed floor system, which reduces the dead weight of a floor slab by eliminating secondary beams, increasing the thickness of the floor slab and arranging a cavity in the floor slab, thereby realizing the effect of a girderless floor in the area between frame beams, increasing the clearance of a building and improving the utilization rate of the indoor space of the building. Meanwhile, the thick plate and the cavity in the plate can increase the sound insulation and heat preservation performance of the floor. Be provided with the floor on the prefabricated plate, structural rigidity is big, and application span is big, and the construction stage need not interim support, construction convenience. The structure of the hollow concrete composite floor system of the present utility model will be described with reference to the accompanying drawings.
Referring to fig. 1, a top view of the hollow concrete composite floor system of the present utility model is shown. Referring to FIG. 2, a cross-sectional view of A1-A1 of FIG. 1 is shown. Referring to FIG. 3, a cross-sectional view of A2-A2 of FIG. 1 is shown. The hollow concrete composite floor system of the present utility model will be described with reference to fig. 1 to 3.
As shown in fig. 1 to 3, the hollow concrete composite floor system 20 of the present utility model comprises a precast slab 21, a hollow block 22, a top steel bar 23 and a cast-in-place concrete structure 24, wherein a plurality of ribs 211 are formed on the top surface of the precast slab 21 and are arranged in a staggered manner in a transverse and longitudinal direction, a plurality of installation spaces 212 are formed by surrounding the ribs 211 arranged in a staggered manner in a transverse and longitudinal direction, specifically, the precast slab 21 further comprises a slab body, the slab body and the ribs 211 are integrally formed, the ribs 211 are arranged on the upper surface of the slab body, and the ribs 211 and the slab body form a plurality of installation spaces 211 by surrounding. The hollow block 22 is placed in the installation space 212, and the height of the hollow block 22 is higher than the height of the rib 211; the top steel bar 23 is arranged above the hollow block 22; the cast-in-place concrete structure 24 is formed of cast concrete, which is cast on the precast slabs 21, and the cast-in-place concrete structure 24 embeds the hollow blocks 22 with the top reinforcing bars 23, and the cast-in-place concrete structure 24 is also partially located between the hollow blocks 22 and on the ribs 211.
The hollow concrete superposed floor system 20 has the advantages of flat bottom, no convex structure, capability of increasing the clearance of the building and improving the utilization rate of the indoor space of the building. The prefabricated slab 21 has high rigidity due to the arrangement of the ribs 211, can be used as a template of the cast-in-place concrete structure 24, and is simple and convenient to construct on site.
In one embodiment of the present utility model, as shown in fig. 2 and 3, the size of the hollow block 22 is adapted to the size of the installation space 212. So that the hollow block 22 can be placed just inside the corresponding installation space 212.
Further, the hollow block 22 is a hollow box or a hollow foam block. The hollow box body adopts a thin-wall box body, and the hollow foam block adopts an EPS foam block.
In one embodiment of the present utility model, as shown in fig. 2 and 3, the top reinforcing bars 23 include top transverse reinforcing bars and top longitudinal reinforcing bars, which are connected in a staggered manner in the transverse and longitudinal directions to form a mesh structure. The arrangement of the top steel bars 23 can improve the structural strength of the cast-in-place concrete structure 24, thereby improving the strength of the hollow concrete composite floor system 20.
In one embodiment of the present utility model, as shown in fig. 2 and 3, the prefabricated panel 21 is provided therein with a bottom reinforcement 213. The bottom reinforcement 213 includes a bottom transverse reinforcement and a bottom longitudinal reinforcement, which are horizontally and longitudinally staggered to form a reinforcement mesh structure, and the reinforcement mesh structure is disposed at the lower part of the prefabricated plate 21, so that the structural strength of the prefabricated plate 21 can be improved by the arrangement of the bottom reinforcement 213.
Further, a vertically disposed reinforcing mesh 214 is further disposed in the prefabricated panel 21, the reinforcing mesh 214 is disposed at the rib 211, and the reinforcing mesh 214 has a portion protruding from the rib 211 at the rib 211 to form an anchor 2141. The structural strength of the rib 211 can be improved by providing the reinforcing mesh 214.
Still further, the anchoring portion 2141 is connected to the top reinforcement 23, and the anchoring portion 2141 and the top reinforcement 23 are buried together in the cast-in-place concrete structure 24, so that the strength of the connection between the cast-in-place concrete structure 24 and the precast slab 21 is increased by the anchoring portion 2141, and the overall stability of the hollow concrete composite floor slab 20 is improved.
In one embodiment of the present utility model, as shown in fig. 5 and 6, a steel wire mesh 215 is provided in the prefabricated panel 21, and the steel wire mesh 215 is provided at the lower portion of the prefabricated panel 21, so that the structural strength of the prefabricated panel 21 can be improved by providing the steel wire mesh 215.
Further, a bottom longitudinal rib 216 is provided in the prefabricated panel 21, and the bottom longitudinal rib 216 is provided in the rib 211.
Still further, an inner stirrup 217 connected to the bottom longitudinal bar 216 is provided in the prefabricated panel 21, and the inner stirrup 217 has a portion protruding beyond the rib 211 to form a connecting portion.
Still further, the hollow concrete composite floor 20 further includes a top longitudinal rib 25 disposed above the rib 211, the top longitudinal rib 25 is disposed opposite to the bottom longitudinal rib 216, and the connection portion between the top longitudinal rib 25 and the inner stirrup 217 is fixedly connected.
Preferably, the top longitudinal bars 25 are also fixedly connected to the top reinforcing bars 23. In this way, the structural strength of the ribs can be improved through the arrangement of the top longitudinal ribs 25, the bottom longitudinal ribs 216 and the inner stirrups 217, and the connection strength between the cast-in-place concrete structure 24 and the precast slabs 21 can be increased by connecting the top longitudinal ribs 25 with the top reinforcing steel bars 23, so that the overall stability of the hollow concrete composite floor slab 20 is improved.
In one embodiment of the present utility model, as shown in fig. 4, the prefabricated panels 21 are formed at the sides with overlapping portions that can be directly laid on top of the frame beams 10, and the cast-in-place concrete structure 24 is partially located on the frame beams 10, thereby realizing the connection of the hollow concrete composite floor 20 with the frame beams 10. Specifically, the lap joint includes an inclined section and a straight section connected to the inclined section, the straight section having a portion disposed above the frame beam 10, reinforcing bars disposed in the inclined section and the straight section, and having a portion extending outside the straight section and above the frame beam 10, the portion extending from the reinforcing bars being buried in the cast-in-place concrete structure 24.
The hollow concrete superposed floor system is a non-secondary beam floor system, so that the clearance of a building can be increased, and the utilization rate of the indoor space of the building can be improved.
The hollow cavity arranged in the hollow concrete superposed floor system can increase the sound insulation and heat preservation performance of the floor system.
The hollow concrete superposed floor system has high rigidity in the construction stage, does not need temporary support, and is suitable for large span.
The hollow concrete superposed floor system and the frame beam are simple and reliable in connection structure.
The present utility model has been described in detail with reference to the embodiments of the drawings, and those skilled in the art can make various modifications to the utility model based on the above description. Accordingly, certain details of the illustrated embodiments are not to be taken as limiting the utility model, which is defined by the appended claims.
Claims (10)
1. A hollow concrete composite floor system, comprising:
the top surface of the precast slab is provided with a plurality of ribs which are arranged in a transverse and longitudinal staggered way, and a plurality of installation spaces are formed by enclosing the ribs which are arranged in the transverse and longitudinal staggered way;
a hollow block disposed in the installation space;
the top steel bar is arranged on the hollow block; and
and pouring a cast-in-place concrete structure which is formed on the precast slab and is used for burying and fixing the hollow block and the top steel bar.
2. The hollow concrete composite floor system of claim 1, wherein the hollow blocks are sized to fit the size of the installation space.
3. A hollow concrete composite floor according to claim 1 or 2, wherein the hollow blocks are hollow boxes or hollow foam blocks.
4. The hollow concrete composite floor system of claim 1, wherein bottom reinforcement is provided in the precast slab.
5. The hollow concrete composite floor system of claim 1, wherein a reinforcing mesh arranged vertically is further arranged in the precast slab, the reinforcing mesh is arranged at the rib, and part of the reinforcing mesh protrudes out of the rib to form an anchoring part.
6. The hollow concrete composite floor of claim 5, wherein the anchor is connected to the roof reinforcement.
7. The hollow concrete composite floor system of claim 1, wherein steel wire mesh is provided in the precast slab.
8. The hollow concrete composite floor system of claim 1, wherein the precast slab is further provided with a bottom longitudinal rib, and the bottom longitudinal rib is arranged in the rib.
9. The hollow concrete composite floor system of claim 8, wherein an inner stirrup connected to the bottom longitudinal bar is further provided in the precast slab, and the inner stirrup has a portion protruding from the rib to form a connecting portion.
10. The hollow concrete composite floor of claim 9, further comprising a top longitudinal bar disposed above the ribs, the top longitudinal bar being disposed opposite the bottom longitudinal bar, and the top longitudinal bar being fixedly connected to the connection portion of the inner stirrup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320160322.7U CN219825776U (en) | 2023-01-18 | 2023-01-18 | Hollow concrete superposed floor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320160322.7U CN219825776U (en) | 2023-01-18 | 2023-01-18 | Hollow concrete superposed floor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219825776U true CN219825776U (en) | 2023-10-13 |
Family
ID=88281850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320160322.7U Active CN219825776U (en) | 2023-01-18 | 2023-01-18 | Hollow concrete superposed floor system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219825776U (en) |
-
2023
- 2023-01-18 CN CN202320160322.7U patent/CN219825776U/en active Active
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