CN211949126U - Cast-in-situ hollow floor - Google Patents
Cast-in-situ hollow floor Download PDFInfo
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- CN211949126U CN211949126U CN202020210829.5U CN202020210829U CN211949126U CN 211949126 U CN211949126 U CN 211949126U CN 202020210829 U CN202020210829 U CN 202020210829U CN 211949126 U CN211949126 U CN 211949126U
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Abstract
The utility model relates to a building construction technical field discloses a cast-in-place hollow superstructure, including cast-in-place board and cast-in-place concrete and set up a plurality of packing centre forms in cast-in-place concrete, pack the centre form and bond fixedly together and form compound solid slab from bottom to top in proper order by strengthening sheet layer and steel mesh layer, the compound solid slab that has the steel structure also namely steel mesh layer replaces paper pipe, plastic tubing or aerifys the gasbag and has played the purpose that increases cast-in-place hollow superstructure bearing capacity, is difficult for weing moreover, has good practicality.
Description
Technical Field
The utility model relates to a building construction technical field, more specifically say, it relates to a cast-in-place hollow superstructure.
Background
With the development of economic level and the improvement of living standard, people have higher requirements on the aspects of large compartment, high clearance, comfort level, sound insulation, energy conservation, environmental protection and the like of modern buildings. The cast-in-place hollow floor system is suitable for the defects of high floor height of a beam plate structure, poor appearance effect, stiff building arrangement, poor sound insulation, heavy self weight and low space utilization rate.
After the cast-in-place hollow floor is embedded with the filler, the floor with the cavity is formed in the floor slab by casting concrete in situ. However, in the traditional cast-in-place hollow floor, materials such as a paper tube, a plastic tube or an inflatable air bag are usually arranged in the floor, and the paper tube material is easy to absorb water and damp, so that the plastic tube and the inflatable air bag are made of soft materials, and the problem of poor bearing capacity is caused.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, an object of the present invention is to provide a cast-in-place hollow floor system, which has the advantages of high strength, strong bearing capacity and good heat preservation property.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a cast-in-place hollow floor comprises a cast-in-place plate, cast-in-place concrete and a plurality of filling internal molds arranged in the cast-in-place concrete, wherein the filling internal molds are sequentially bonded and fixed together from bottom to top by a reinforcing plate layer and a steel mesh layer to form a composite solid plate;
the cast-in-place concrete filling device is characterized in that a plurality of supporting modules for bearing the cast-in-place plates are arranged in the cast-in-place concrete, each supporting module comprises a plastic shell, a plurality of partition plates and a steel plate, the plastic shell is communicated with the outside, the partition plates and the plastic shell are integrally formed and fixedly connected, the plastic shell is internally divided into a plurality of cavities, the steel plates are embedded in the cavities, and the cast-in-place concrete is filled between the steel plates and the partition plates.
Through the technical scheme, the composite solid plate with the steel structure, namely the steel mesh layer, replaces a paper pipe, a plastic pipe or an inflatable air bag to achieve the purpose of increasing the bearing capacity of the cast-in-situ hollow floor, is not easy to damp and has good practicability. When the hollow floor system vibrates, the support module supports the cast-in-place plate on one hand, and the structural strength of the cast-in-place plate is increased; on the other hand, stress from vibration on the cast-in-place slab is conveniently conducted on the steel plate through the plastic shell and the cast-in-place concrete, so that the transmission and reduction of vibration energy are realized, and the bearing capacity of the hollow floor is enhanced.
Further, the filling inner die also comprises a light foamed concrete layer which is bonded and fixed on one side of the steel mesh layer away from the reinforced half slab layer;
the support module further comprises a steel wire mesh, and the light foamed concrete layer and the steel wire mesh are fixed in the cavity.
Through the technical scheme, the light foaming concrete layer belongs to the bubble-shaped heat insulation material, so that the concrete can be lightened and heat-insulated, the weight of the cast-in-place hollow floor is reduced, the bearing capacity of a member can be improved, and a good heat insulation effect can be achieved. The steel wire mesh and the light foamed concrete layer are mutually bonded together and fixed in the support module, so that the bearing capacity of the support module is further improved.
Furthermore, an inorganic heat-insulating layer is fixedly bonded on the light foamed concrete layer, and a plurality of reinforcing strips are fixedly connected to the two sides of the partition board in an integrally formed mode.
Through the technical scheme, the inorganic heat-insulating layer has a good fireproof effect, and the safety of the cast-in-place hollow floor is improved. The contact area between the cast-in-place concrete and the contact area between the light foaming concrete layer and the partition plate are increased by the reinforcing strips, so that the stability of the steel plate and the steel wire mesh fixed in the cavity is improved.
Further, the reinforced slab layer is made of high-strength concrete or high-performance mortar.
Through the technical scheme, the reinforced slab layer supported by the high-strength concrete has high compressive strength and large deformation resistance, can be suitable for high-rise building structures and large-span bridge structures, and can improve the rigidity of the member.
Furthermore, the thickness of the reinforcing plate layer is 20-50mm, steel wire meshes are nested in the reinforcing plate layer, and the steel wire meshes extend out of four side faces of the reinforcing plate layer.
Through above-mentioned technical scheme, stretch out in the steel mesh reinforcement plate, can increase the stability of filling between centre form and the cast in situ concrete fixed.
Furthermore, reinforcing steel bars are fixed in the lightweight foamed concrete layer.
Through above-mentioned technical scheme, the reinforcing bar further strengthens the structural strength who fills the centre form.
Furthermore, a hidden beam is fixedly arranged between the adjacent filling internal molds.
Through above-mentioned technical scheme, dark roof beam multiplicable cast in situ concrete's between the centre form structural strength of filling promotes the ability of undertaking vertical load.
Furthermore, a plate surface reinforcing steel bar and a plate bottom reinforcing steel bar are arranged in the cast-in-place plate.
Through the technical scheme, the plate surface reinforcing steel bars and the plate bottom reinforcing steel bars reinforce the overall structural strength of the cast-in-place hollow floor.
Furthermore, reinforcing bar ribs are arranged in the cast-in-place concrete along the arrangement direction of the filling internal molds.
Through the technical scheme, the reinforcing bar further enhances the overall structural strength of the cast-in-situ hollow floor.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the cast-in-place hollow floor is characterized in that a filling inner mold formed by sequentially bonding and fixing a reinforcing plate layer, a steel mesh layer and a light foaming concrete layer is filled in the cast-in-place concrete to replace a paper tube, a plastic tube or an inflatable air bag, so that the purpose of increasing the bearing capacity of the cast-in-place hollow floor is achieved, and the cast-in-place hollow floor is not easy to damp and has a good heat preservation effect; the support modules for bearing the cast-in-place plates are arranged in the cast-in-place concrete and comprise plastic shells, the plastic shells are divided into a plurality of cavities by the partition plates of the plastic shells, and the steel plates and the cast-in-place concrete are filled and fixed in the cavities, so that the structural strength of the cast-in-place plates is increased, and the bearing capacity of the hollow floor is enhanced.
(2) The reinforced slab layer is made of high-strength concrete or high-performance mortar, so that the reinforced slab layer has the advantages of high compressive strength and high deformation resistance, and the rigidity of the cast-in-situ hollow floor system is improved.
(3) Through set up the enhancement strip of a plurality of parallels on the two sides at the baffle, increased cast in situ concrete and light foamed concrete layer respectively with the area of contact of baffle, improved steel sheet and wire net at the cavity internal fixation's stability.
Drawings
FIG. 1 is a sectional view of the structure of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a cross-sectional view of the inner membrane being filled.
Reference numerals: 1. casting a plate in situ; 2. casting concrete in situ; 3. filling the inner mold; 31. a reinforcing ply; 32. a steel mesh layer; 33. a lightweight foamed concrete layer; 34. an inorganic insulating layer; 35. a steel wire mesh sheet; 4. reinforcing steel bars; 5. hidden beams; 6. reinforcing steel bars on the plate surface; 7. plate bottom steel bars; 8. reinforcing the bar; 9. a support module; 91. a plastic housing; 92. a partition plate; 921. a reinforcing strip; 93. a steel plate; 94. a cavity; 95. and (5) steel wire meshes.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
A cast-in-place hollow floor system comprises a cast-in-place plate 1, cast-in-place concrete 2 and a plurality of filling internal molds 3 arranged in the cast-in-place concrete 2, wherein the filling internal molds 3 comprise reinforcing plate layers 31, steel mesh layers 32 and light foamed concrete layers 33, the reinforcing plate layers 31 and the steel mesh layers 32 are bonded and fixed together to form a composite solid plate, and the light foamed concrete layers 33 are bonded and fixed on one surfaces, far away from reinforcing half plate layers, of the steel mesh layers 32, as shown in figure 1.
The reinforced slab layer 31 is made of high-strength concrete or high-performance mortar, the reinforced slab layer 31 has high compressive strength and high deformation resistance, and can be suitable for high-rise building structures and large-span bridge structures, the rigidity of the member can be improved, the light foamed concrete layer 33 belongs to a bubble-shaped heat insulation material, the concrete can be lightened and the heat insulation can be realized, the bearing capacity of the member can be improved while the weight of a cast-in-place hollow floor is reduced, a good heat insulation effect can be realized, and the steel mesh layer 32 arranged between the reinforced slab layer 31 and the light foamed concrete layer 33 can play a good connecting and reinforcing role by utilizing the mesh structure. The filling inner die 3 arranged in the way is used for replacing a paper tube, a plastic tube or an inflatable air bag, can achieve the purpose of increasing the bearing capacity of the cast-in-situ hollow floor, has good heat preservation effect when being not easily affected with damp, and has good practicability.
As shown in fig. 2, a plurality of support modules 9 for bearing the cast-in-place slab 1 are arranged in the cast-in-place concrete 2, each support module 9 comprises a hollow plastic shell 91 communicated with the outside, and a plurality of plastic partition plates 92 are fixedly connected in the plastic shells 91 in an integrally formed manner. The plastic partition 92 divides the inside of the plastic case 91 into a plurality of cavities 94, the steel plate 93 is embedded in the cavities 94, and the cast-in-place concrete 2 is filled between the steel plate 93 and the partition 92. The support plastic shell 91 made from the method is arranged in the cast-in-place concrete 2, supports the load-bearing cast-in-place plate 1, increases the structural strength of the cast-in-place plate 1, and enhances the load-bearing capacity of the hollow floor system.
Further, a steel wire mesh 95 and a light foamed concrete layer 33 are fixedly arranged in the other cavity 94, a plurality of zigzag reinforcing strips 921 are fixedly connected to two surfaces of the partition plate 92 in an integrated manner, and the reinforcing strips 921 are preferably made of plastic in this embodiment. On the one hand, the steel wire mesh 95 and the lightweight foamed concrete layer 33 are bonded with each other and fixed in the support module 9, so that the bearing capacity of the support module 9 is further increased. On the other hand, the contact area between the cast-in-place concrete 2 and the light foamed concrete layer 33 and the partition plate 92 is increased by the reinforcing strips 921, and the stability of the steel plate 93 and the steel wire mesh 95 fixed in the cavity 94 is improved.
As shown in fig. 3, an inorganic insulating layer 34 is further bonded and fixed on the lightweight foamed concrete layer 33, and the inorganic insulating layer 34 can be made of cement mortar with glass fiber mesh cloth embedded therein, mixed with building glue, stone powder and other materials, and has a good fireproof effect, so that the safety of the cast-in-place hollow floor is improved.
As shown in fig. 3, the thickness of the reinforcing slab layer 31 is 20-50mm, the steel mesh sheets 35 are embedded in the reinforcing slab layer 31, and the steel mesh sheets 35 extend out from four side surfaces of the reinforcing slab layer 31, so that the stability of fixation between the filling inner mold 3 and the cast-in-place concrete 2 can be improved, and the slab surface steel bars 6 and the slab bottom steel bars 7 are arranged in the cast-in-place slab 1 to reinforce the overall structural strength of the cast-in-place hollow floor. The light foaming concrete layer 33 is internally fixed with reinforcing steel bars 4, so that the structural strength of the filling internal mold 3 is further enhanced.
As shown in fig. 1, in order to enhance the structural strength of the cast-in-place concrete 2, the hidden beams 5 are fixedly arranged between the adjacent filling internal molds 3, and the reinforcing bar bars 8 are arranged along the arrangement direction of the filling internal molds 3, so that the capability of bearing vertical load is improved, and the overall structural strength of the cast-in-place hollow floor is enhanced.
The principle of the embodiment is as follows: the cast-in-place concrete 2 is filled with the filling inner mold 3 formed by sequentially bonding and fixing the reinforcing plate layer 31, the steel mesh layer 32 and the light foaming concrete layer 33 together so as to replace a paper tube, a plastic tube or an inflatable air bag, thereby achieving the purpose of increasing the bearing capacity of the hollow floor. A plurality of support modules 9 carrying the cast-in-place slab 1 are provided within the cast-in-place concrete 2. When the hollow floor system vibrates, the support module 9 supports the cast-in-place plate 1 on one hand, and the structural strength of the cast-in-place plate 1 is increased; on the other hand, the stress of vibration from the cast-in-place slab 1 is conveniently conducted to the steel plate 93 through the plastic shell 91 and the cast-in-place concrete 2, so that the transmission and reduction of vibration energy are realized, and the bearing capacity of the hollow floor is enhanced.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A cast-in-place hollow floor is characterized by comprising a cast-in-place plate (1), cast-in-place concrete (2) and a plurality of filling internal molds (3) arranged in the cast-in-place concrete (2), wherein the filling internal molds (3) are sequentially bonded and fixed together by a reinforcing plate layer (31) and a steel mesh layer (32) from bottom to top to form a composite solid plate;
the cast-in-place concrete pouring device is characterized in that a plurality of supporting modules (9) for bearing the cast-in-place plates (1) are arranged in the cast-in-place concrete (2), each supporting module (9) comprises a plastic shell (91) communicated with the outside, a plurality of partition plates (92) and steel plates (93), the partition plates (92) and the plastic shell (91) are fixedly connected in an integrated forming mode, and are divided into a plurality of cavities (94) in the plastic shell (91), the steel plates (93) are embedded in the cavities (94), and the cast-in-place concrete (2) is filled between the steel plates (93) and the partition plates (92).
2. A cast-in-place hollow floor according to claim 1, characterized in that the filling inner mold (3) further comprises a lightweight foamed concrete layer (33) adhesively fixed to the steel mesh layer (32) on the side remote from the reinforcing plate layer;
the supporting module (9) further comprises a steel wire mesh (95), and the light foamed concrete layer (33) and the steel wire mesh (95) are fixed in the cavity (94).
3. The cast-in-place hollow floor system according to claim 2, wherein an inorganic insulating layer (34) is further bonded and fixed on the lightweight foam concrete layer (33), and a plurality of reinforcing strips (921) are fixedly connected to the partition plate (92) in an integrated manner.
4. A cast-in-place hollow floor according to claim 3, characterized in that the reinforcement slab (31) is made of high strength concrete or high performance mortar.
5. A cast-in-place hollow floor according to claim 4, characterized in that the thickness of the reinforcing slab (31) is 20-50mm, and a steel mesh (35) is nested inside the reinforcing slab (31), and the steel mesh (35) extends out of four sides of the reinforcing slab (31).
6. A cast-in-place hollow floor according to claim 5, characterized in that reinforcing steel bars (4) are fixed in the lightweight foam concrete layer (33).
7. A cast-in-situ hollow floor slab as claimed in claim 1, wherein a hidden beam (5) is fixedly arranged between the adjacent filling inner molds (3).
8. A cast-in-place hollow floor system as claimed in claim 7, wherein a slab face reinforcing steel bar (6) and a slab bottom reinforcing steel bar (7) are arranged in the cast-in-place slab (1).
9. The cast-in-place hollow floor system according to claim 8, characterized in that reinforcing bars (8) are arranged in the cast-in-place concrete (2) along the arrangement direction of the filling internal molds (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020210829.5U CN211949126U (en) | 2020-02-26 | 2020-02-26 | Cast-in-situ hollow floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020210829.5U CN211949126U (en) | 2020-02-26 | 2020-02-26 | Cast-in-situ hollow floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211949126U true CN211949126U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020210829.5U Active CN211949126U (en) | 2020-02-26 | 2020-02-26 | Cast-in-situ hollow floor |
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| Country | Link |
|---|---|
| CN (1) | CN211949126U (en) |
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2020
- 2020-02-26 CN CN202020210829.5U patent/CN211949126U/en active Active
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