CN210459708U - Compound coincide floor based on two-way rib check structure - Google Patents
Compound coincide floor based on two-way rib check structure Download PDFInfo
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- CN210459708U CN210459708U CN201921232046.0U CN201921232046U CN210459708U CN 210459708 U CN210459708 U CN 210459708U CN 201921232046 U CN201921232046 U CN 201921232046U CN 210459708 U CN210459708 U CN 210459708U
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- 239000002131 composite material Substances 0.000 claims abstract description 71
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- 238000009413 insulation Methods 0.000 abstract description 6
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Abstract
The utility model discloses a composite floor slab based on a bidirectional rib lattice structure, which comprises a prefabricated bottom plate layer, a composite layer and an upper cast-in-place layer which are arranged from bottom to top in sequence; the composite layer comprises bidirectional rib grids and ecological material blocks, and the bidirectional rib grids are arranged on the upper surface of the prefabricated floor layer; the bidirectional rib grids comprise a plurality of longitudinal rib structures and a plurality of transverse rib structures, and the longitudinal rib structures and the transverse rib structures are arranged in a staggered mode to form rectangular rib grids; the ecological material blocks are filled in the rectangular rib grids; the upper cast-in-place layer is provided with the bidirectional rib grids and the upper part of the ecological material block; the utility model improves the rigidity and integrity of the composite floor slab by arranging the bidirectional rib grids in the composite layer, thereby meeting the application of the composite floor slab in the large-span field; by adopting the ecological material block in the composite layer, the ecological material block is made of light materials, so that the weight of the composite layer is greatly reduced, the self weight of the composite floor slab is reduced, and the anti-seismic performance of the composite floor slab is improved; the sound insulation, noise reduction and heat preservation effects are met.
Description
Technical Field
The utility model belongs to the technical field of building engineering, in particular to compound coincide floor based on two-way rib check structure.
Background
Under the large background of continuous development of the economic society of China, the traditional extensive handicraft industry production mode which is slow in development, dispersed, low in level and low in efficiency still occupies a leading position, the proportion of the energy consumption of the building in the total energy consumption of the society is continuously increased, the economic development is severely restricted, the building which is more economical, practical, safe, efficient, energy-saving, environment-friendly and sustainable in development is constructed, and the important measure for improving the construction level of China is provided, so the reformation of the building technology is not slow; the fabricated concrete building is an effective way for realizing building energy conservation and emission reduction and housing industrialization.
At present, the common laminated floor system for the fabricated concrete building is made of traditional concrete materials, has a solid structure and a large self weight, is small in application span range, requires heavy hoisting equipment in the installation process, and does not have the functions of heat preservation, heat insulation, noise reduction and the like.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model provides a compound coincide floor based on two-way rib check structure to coincide floor is from great among the solution prior art, and the phenomenon of stress concentration appears easily in the longer term of span.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a composite floor slab based on a bidirectional rib lattice structure, which comprises a prefabricated floor slab layer, a composite layer and an upper cast-in-place layer which are arranged from bottom to top in sequence; the composite layer comprises bidirectional rib grids and ecological material blocks, and the bidirectional rib grids are arranged on the upper surface of the prefabricated floor layer; the bidirectional rib grids comprise a plurality of longitudinal rib structures and a plurality of transverse rib structures, and the longitudinal rib structures and the transverse rib structures are arranged in a staggered mode to form rectangular rib grids; the ecological material blocks are filled in the rectangular rib grids; the upper cast-in-place layer is provided with the bidirectional rib grids and the upper part of the ecological material block.
Further, still include steel bar truss, steel bar truss sets up in two-way rib check, and steel bar truss's lower extreme is connected with prefabricated bottom plate layer, and two-way rib check are passed to steel bar truss's upper end and are connected with the cast-in-place layer in upper portion.
Furthermore, the ecological material block is one of an autoclaved aerated concrete block, a plant fiber and vitamin soil base material block, regenerated EPD lightweight aggregate concrete and a cotton straw reinforced material block.
Further, the bottom plate reinforcing mesh is arranged in the bottom plate concrete; the bottom plate reinforcing mesh comprises transverse distribution ribs and longitudinal distribution ribs which are arranged in parallel according to a preset interval, and the bottom plate concrete is fine aggregate concrete.
Further, the height of the ecological material block is larger than that of the bidirectional rib grids.
Further, the height difference between the ecological material blocks and the bidirectional rib grids is 30-50 mm.
Furthermore, two outermost longitudinal rib structures in the longitudinal rib structures are distributed on two sides of the upper surface of the prefabricated floor layer, and the width of each outermost longitudinal rib structure is 1/2-1/3 of the width of the longitudinally rib structure arranged in the middle
Furthermore, a rectangular notch is arranged at the upper edge of the outer side of the outer longitudinal rib; rectangular gaps on two adjacent longitudinal rib structures form rectangular tooth grooves at the splicing seams of adjacent laminated floors.
Furthermore, the side length of the rectangular notch on the longitudinal rib structure is 50X 50 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a composite floor based on a bidirectional rib grid structure, which strengthens the composite performance between an ecological material block and a prefabricated floor layer and an upper cast-in-place layer by arranging the bidirectional rib grids in a composite layer, and ensures the integrity of the composite floor; the bending rigidity of the laminated floor is improved by arranging the transverse ribs, the deformation of the laminated floor in the stress process is reduced, the ecological material blocks are restrained around by the longitudinal ribs and the transverse ribs in the bidirectional rib grids, the stress performance of the ecological material blocks is improved, the contribution of filling the ecological material blocks to the rigidity of the laminated floor is enhanced, and the application of the laminated floor in the large-span field is met; meanwhile, the ecological material block is a light material, so that the weight of the composite layer is greatly reduced, the self weight of the composite floor slab is reduced, and the anti-seismic performance of the composite floor slab is improved; meanwhile, the effects of sound insulation, noise reduction and heat preservation are met.
Furthermore, the rigidity of the prefabricated bottom plate layer and the composite layer is enhanced by arranging the steel bar truss.
Furthermore, the width of the longitudinal rib structure at the outermost side is 1/2-1/3 of the width of the longitudinal rib structure arranged in the middle, so that the phenomenon that the width of the longitudinal rib structure at the abutted seam of adjacent composite floor slabs is too large is avoided, and the self weight of the composite floor slab structure is reduced.
Furthermore, the ecological material blocks are arranged higher than the bidirectional rib grids, so that the ecological material blocks integrally form a protruding key groove structure, the combination of the prefabricated bottom plate layer and the upper cast-in-place layer is increased, the shearing resistance of the combined surface of the prefabricated bottom plate layer is improved, and the integrity of the laminated floor slab is ensured.
Furthermore, rectangular notches are formed in the outer sides of the longitudinal rib structures, the longitudinal rib structures are spliced, rectangular tooth grooves are formed in the rectangular notches of the two spliced longitudinal rib structures, the rectangular tooth grooves are filled when the upper cast-in-place layer is poured, the bonding between the upper cast-in-place layer and the new and old concrete of the prefabricated floor layer is improved, the splicing performance is enhanced, and the overall performance of the fabricated floor is improved.
Drawings
Fig. 1 is a schematic view of an overall layered sectioning structure of a composite floor slab of the present invention;
fig. 2 is a schematic view of a layered structure of the composite floor slab of the present invention;
fig. 3 is a schematic structural view of a prefabricated floor layer of the composite floor slab of the present invention;
figure 4 is compound coincide floor's piece structure sketch map.
Fig. 5 is a schematic view of an upper cast-in-place layer structure of a composite floor slab according to embodiment 1 of the present invention;
fig. 6 is a schematic view of an upper cast-in-place layer structure of a composite floor slab in embodiment 2 of the present invention.
The construction method comprises the following steps of 1, prefabricating a bottom plate layer, 2, a composite layer, 3, a cast-in-place layer on the upper portion, 4 of steel bar trusses and 5 of rectangular gaps; 11 bottom plate reinforcing mesh, 12 bottom plate concrete, 21 bidirectional rib grids and 22 ecological material blocks; 211 longitudinal rib structure and 212 transverse rib structure.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in the attached drawings 1-6, the utility model provides a composite floor slab based on a bidirectional rib lattice structure, which comprises a prefabricated floor slab layer 1, a composite layer 2, an upper cast-in-place layer 3 and a steel bar truss 4;
the prefabricated base plate layer 1, the composite layer 2 and the upper cast-in-place layer 3 are sequentially arranged from bottom to top, the prefabricated base plate layer 1 comprises a base plate reinforcing mesh 11 and base plate concrete 12, and the base plate reinforcing mesh 11 is arranged in the base plate concrete 12; the bottom plate reinforcing mesh 11 comprises transverse distribution ribs and longitudinal distribution ribs which are arranged in parallel according to a preset interval, and the bottom plate concrete 12 is made of fine aggregate concrete; the height of the bottom plate concrete 12 is matched with the design height of the reinforcing bars of the bottom plate reinforcing mesh 11 and the floor slab, and the height of the bottom plate concrete 12 is 40-70 mm.
The composite layer 2 is arranged on the upper part of the prefabricated floor layer 1, the composite layer 2 comprises a bidirectional rib grid 21 and a plurality of ecological material blocks 22, and the bidirectional rib grid 21 is arranged on the upper surface of the prefabricated floor layer 1; the bidirectional rib grids 21 comprise a plurality of longitudinal rib structures 211 and a plurality of transverse rib structures 212, the longitudinal rib structures 211 are arranged on the upper surface of the prefabricated bottom plate layer 1 in parallel, the transverse rib structures 212 are arranged on the upper surface of the prefabricated bottom plate layer 1 in parallel, and the longitudinal rib structures 211 and the transverse rib structures 212 are vertically arranged in a staggered mode; two longitudinal rib structures 211 on the outermost side are distributed on two sides of the upper surface of the prefabricated floor slab layer 1, the width of each longitudinal rib structure 211 on the outermost side is 1/2-1/3 of the width of each longitudinal rib structure 211 arranged in the middle, the phenomenon that the width of each longitudinal rib structure at the abutted seam of adjacent composite floor slabs is too large is avoided, and the self weight of the composite floor slabs is reduced.
Preferably, the rectangular recess 5 has a side length of 50 × 50 mm.
The longitudinal rib structures 211 and the transverse rib structures 212 are arranged in a staggered mode to form rectangular rib grids; the ecological material blocks 22 are filled in the rectangular rib grids;
the height of the ecological material block 22 is greater than that of the bidirectional rib grids 21, and the protruding part on the upper part of the filled ecological material block 22 forms a key groove structure, so that the shearing resistance between the combined surface of the composite layer 2 and the upper cast-in-place layer 3 is improved; the height difference between the preferred ecological material blocks 22 and the bidirectional rib grids 21 is 30-50 mm; the ecological material blocks 22 adopt one of autoclaved aerated concrete blocks, plant fiber vitamin-based material blocks, regenerated EPD light aggregate concrete and cotton straw reinforced material blocks, and the light ecological concrete blocks replace concrete in the core area of the floor slab, so that the self weight of the floor slab is greatly reduced under the condition of not greatly sacrificing the stress performance of the plate; the number of ecological material pieces 22 in each of the preferred bi-directional ribs 21 is one or two.
The steel bar trusses 4 are longitudinally arranged along the laminated floor slab, the steel bar trusses 4 are arranged in the longitudinal rib structures 211, the lower ends of the steel bar trusses 4 are connected with the bottom plate steel bar meshes 11 of the prefabricated bottom plate layer 1, and the upper ends of the steel bar trusses 4 penetrate through the longitudinal rib structures 211 to be connected with the upper cast-in-place layer 3; the stress performance of the longitudinal rib structure 211 is further improved by arranging the steel bar truss 4 in the longitudinal rib structure 211, meanwhile, the steel bar truss 4 extends into the upper cast-in-situ layer 3, the tensile joint of the prefabricated bottom plate layer 1 and the upper cast-in-situ layer 3 is increased, and the shear resistance of the joint surface is improved.
Example 2
The structure principle of the embodiment 2 is basically the same as that of the embodiment 1, and the difference is that in the embodiment 2, the top surface of the upper cast-in-place layer 3 is exposed at the upper part of the ecological material block 22, so that the self weight of the laminated floor slab structure is further reduced on the premise of meeting the structural stress, and the requirement of the installation process on hoisting equipment is reduced.
A construction operation flow of compound coincide floor based on two-way rib check structure do: installing a template → binding a bottom steel mesh → pouring bottom concrete → placing an ecological material block → placing a steel bar truss → pouring bidirectional transverse rib structure concrete → driving flat → detaching a side mold → hoisting → constructing a cast-in-place layer.
Specifically, the method comprises the following steps:
step 1, prefabricated floor layer 1 construction
Installing a template for prefabricating the bottom plate layer 1 according to the design size; binding the transverse distribution ribs and the longitudinal distribution ribs to form a bottom plate reinforcing mesh 11, arranging ribs in the bottom plate reinforcing mesh 11 along the stress direction, wherein the length of the ribs meets the design specification requirement; installing a steel bar truss 4; pouring bottom plate concrete 12, wherein the bottom plate concrete 12 is made of fine stone concrete, and the pouring thickness of the fine stone concrete is matched with the reinforcing bars of the floor reinforcing mesh 11 and the design height of the laminated floor slab; the prefabricated floor layer 1 is manufactured
After pouring of the bottom plate concrete 12 of the prefabricated bottom plate layer 1 is completed, before initial setting of the bottom plate concrete 12, installing an ecological material block 22; two-way rib grid 21 pouring areas are reserved among the ecological material blocks 22; pouring concrete of the bidirectional rib grids 21 in the pouring area of the reserved bidirectional rib grids 21, wherein the pouring height of the concrete of the bidirectional rib grids 21 is lower than that of the ecological material blocks 22, so that the composite layer 2 is formed;
The prefabricated floor layer 1 and the composite layer 2 are manufactured, and after the hoisting strength is achieved, the prefabricated floor layer 1 and the composite layer 2 are hoisted to the designed position;
4. construction of upper cast-in-place layer 3
And after the prefabricated bottom plate layer 1 and the composite layer 2 are hoisted, casting an upper cast-in-place layer on the upper part of the composite layer 2 in situ.
The utility model provides a composite floor based on a bidirectional rib grid structure, which strengthens the composite performance between an ecological material block and a prefabricated floor layer and an upper cast-in-place layer by arranging the bidirectional rib grids in a composite layer, and ensures the integrity of the composite floor; the bending rigidity of the laminated floor is improved by arranging the transverse ribs, the deformation of the laminated floor in the stress process is reduced, the ecological material blocks are restrained around by the longitudinal ribs and the transverse ribs in the bidirectional rib grids, the stress performance of the ecological material blocks is improved, the contribution of filling the ecological material blocks to the rigidity of the laminated floor is enhanced, and the application of the laminated floor in the large-span field is met; meanwhile, the ecological material block is a light material, so that the weight of the composite layer is greatly reduced, the self weight of the composite floor slab is reduced, and the anti-seismic performance of the composite floor slab is improved; meanwhile, the effects of sound insulation, noise reduction and heat preservation are met.
Through the highly setting that is higher than two-way rib check with the ecological material piece, the ecological material piece whole forms protruding keyway structure, has increased the combination of prefabricated floor layer and the cast-in-place layer in upper portion, has improved shearing of its faying face, has ensured the wholeness of coincide floor.
By adopting the ecological material block in the composite layer, the ecological material block is made of light materials, so that the weight of the composite layer is greatly reduced, the self weight of the composite floor slab is reduced, and the anti-seismic performance of the composite floor slab is improved; the ecological material block adopts light ecological concrete, and can meet the functions of sound insulation and heat preservation; the ecological material block is arranged in the middle of the laminated floor slab, so that the integration development of heat preservation and structure is realized, and the heat preservation performance of the laminated floor slab is improved.
The rectangular notches are formed in the outer sides of the longitudinal rib structures on the outermost sides, the longitudinal rib structures at the abutted seams form rectangular tooth grooves, and the rectangular tooth grooves are filled when the upper cast-in-place layer is poured, so that the bonding between the upper cast-in-place layer and the new and old concrete of the prefabricated floor layer is improved, the abutted seam performance is enhanced, and the overall performance of the fabricated floor is improved.
The utility model discloses well ecological material piece adopts the continuous arrangement, and convenient for material collection processes, and processing is simple, has greatly promoted the production efficiency of coincide floor, has practiced thrift material cost simultaneously.
The utility model discloses a construction method of a composite floor based on a bidirectional rib lattice structure, a prefabricated floor layer and a composite layer can meet the construction modes of industrial production, specialized distribution and assembly construction; when the upper cast-in-place layer is constructed, a professional light machine is adopted on the construction site, so that the labor force is less and precise; construction method degree of automation is high, construction speed is fast, production efficiency is high, energy-concerving and environment-protective.
The common laminated floor system and the fully assembled prefabricated floor slab of the assembly type building in the prior art have poor integral performance and cast-in-place structure ratio, poor splicing durability, easy occurrence of cracks and influence on the normal use and the attractiveness of the building. At present, no matter the traditional cast-in-place floor or fabricated floor is adopted, certain technical and construction defects exist. A compound coincide floor based on two-way rib check structure, through using the little nuclear core region concrete of ecological bulk material replacement to floor atress performance contribution to reduce the floor dead weight, improve floor heat preservation heat-proof quality, promote the performance of making an uproar of floor sound insulation. The utility model relates to a rationally, construction convenience and input cost are lower, have solved the problem that cast-in-place superstructure and the current superstructure of other assembled construction and use exist, realize industrial production completely, light, little mechanized construction, resources are saved and construction cost, green accord with the new trend of china's house industrialization development.
The above description is only illustrative of the preferred embodiments of the present invention, and any variations, modifications, decorations, etc. may be made without departing from the principle of the present invention, and these variations, modifications, decorations, etc. are all considered to be within the scope of the present invention.
Claims (9)
1. A composite floor slab based on a bidirectional rib lattice structure is characterized by comprising a prefabricated floor slab layer (1), a composite layer (2) and an upper cast-in-place layer (3) which are sequentially arranged from bottom to top; the composite layer (2) comprises bidirectional rib grids (21) and ecological material blocks (22), wherein the bidirectional rib grids (21) are arranged on the upper surface of the prefabricated floor layer (1); the bidirectional rib grids (21) comprise a plurality of longitudinal rib structures (211) and a plurality of transverse rib structures (212), and the longitudinal rib structures (211) and the transverse rib structures (212) are arranged in a staggered mode to form rectangular rib grids; the ecological material blocks (22) are filled in the rectangular rib grids; the upper cast-in-place layer (3) is provided with the upper parts of the bidirectional rib grids (21) and the ecological material blocks (22).
2. A composite type composite floor slab based on a bidirectional rib structure according to claim 1, further comprising a steel bar truss (4), wherein the steel bar truss (4) is arranged in the bidirectional rib structure (21), the lower end of the steel bar truss (4) is connected with the prefabricated floor slab (1), and the upper end of the steel bar truss (4) passes through the bidirectional rib structure (21) to be connected with the upper cast-in-place layer (3).
3. The composite type composite floor slab based on the bidirectional rib structure as claimed in claim 1, wherein the ecological material blocks (22) are one of autoclaved aerated concrete blocks, plant fiber and soil matrix material blocks, recycled EPD lightweight aggregate concrete and cotton straw reinforced material blocks.
4. A composite type laminated floor slab based on a bidirectional rib grid structure as set forth in claim 1, wherein the floor reinforcing mesh (11) is provided in the floor concrete (12); the bottom plate reinforcing mesh (11) comprises transverse distribution ribs and longitudinal distribution ribs which are arranged in parallel according to a preset interval, and the bottom plate concrete (12) adopts fine aggregate concrete.
5. Composite laminated floor slab based on bidirectional rib structure, according to claim 1, characterized in that the height of the ecological material block (22) is greater than the height of the bidirectional ribs (21).
6. Composite laminated floor slab based on bidirectional rib structure, characterized in that the height difference between the ecological material block (22) and the bidirectional rib (21) is 30-50 mm.
7. A composite type laminated floor slab based on a bidirectional rib grid structure as claimed in claim 1, wherein two outermost longitudinal rib structures (211) among the longitudinal rib structures (211) are distributed on both sides of the upper surface of the prefabricated floor slab (1), and the width of the outermost longitudinal rib structures (211) is 1/2-1/3 of the width of the longitudinally rib structures (211) arranged in the middle.
8. A composite type laminated floor slab based on a bidirectional rib grid structure as claimed in claim 1, wherein the outer side upper corners of the outer longitudinal ribs are provided with rectangular notches (5); rectangular gaps (5) on two adjacent longitudinal rib structures (211) form rectangular tooth grooves at the splicing seams of adjacent laminated floors.
9. A composite laminated floor slab based on a bidirectional rib grid structure as defined in claim 8, wherein the rectangular notches in the longitudinal rib structures (211) have a side length of 50 x 50 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921232046.0U CN210459708U (en) | 2019-07-31 | 2019-07-31 | Compound coincide floor based on two-way rib check structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921232046.0U CN210459708U (en) | 2019-07-31 | 2019-07-31 | Compound coincide floor based on two-way rib check structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359615A (en) * | 2019-07-31 | 2019-10-22 | 西安建筑科技大学 | A kind of compound laminated floor slab made based on two-way rib lattice and its construction method |
| CN113027023A (en) * | 2021-04-02 | 2021-06-25 | 袁国强 | Assembly type composite floor slab and construction method thereof |
-
2019
- 2019-07-31 CN CN201921232046.0U patent/CN210459708U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359615A (en) * | 2019-07-31 | 2019-10-22 | 西安建筑科技大学 | A kind of compound laminated floor slab made based on two-way rib lattice and its construction method |
| CN113027023A (en) * | 2021-04-02 | 2021-06-25 | 袁国强 | Assembly type composite floor slab and construction method thereof |
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Assignee: CHINA RAILWAY FIRST GROUP CO.,LTD. CONSTRUCTION & INSTALLATION ENGINEERING CO.,LTD. Assignor: XIAN University OF ARCHITECTURE AND TECHNOLOG Contract record no.: X2021980012947 Denomination of utility model: A composite composite composite floor slab based on two-way rib lattice structure Granted publication date: 20200505 License type: Common License Record date: 20211122 Assignee: Shaanxi Nitya New Materials Technology Co.,Ltd. Assignor: XIAN University OF ARCHITECTURE AND TECHNOLOG Contract record no.: X2021980012797 Denomination of utility model: A composite composite composite floor slab based on two-way rib lattice structure Granted publication date: 20200505 License type: Common License Record date: 20211119 |
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Assignee: CHINA RAILWAY FIRST GROUP CO.,LTD. CONSTRUCTION & INSTALLATION ENGINEERING CO.,LTD. Assignor: XIAN University OF ARCHITECTURE AND TECHNOLOG Contract record no.: X2021980012947 Date of cancellation: 20240410 |
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