CN213174397U - Whole prefabricated coincide floor of UHPC concrete - Google Patents
Whole prefabricated coincide floor of UHPC concrete Download PDFInfo
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- CN213174397U CN213174397U CN202021837395.8U CN202021837395U CN213174397U CN 213174397 U CN213174397 U CN 213174397U CN 202021837395 U CN202021837395 U CN 202021837395U CN 213174397 U CN213174397 U CN 213174397U
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- 239000004567 concrete Substances 0.000 title claims abstract description 25
- 239000011374 ultra-high-performance concrete Substances 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 80
- 239000010959 steel Substances 0.000 claims abstract description 80
- 239000002131 composite material Substances 0.000 claims abstract description 29
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 12
- 238000010276 construction Methods 0.000 abstract description 20
- 238000009415 formwork Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000011065 in-situ storage Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 3
- 238000009417 prefabrication Methods 0.000 abstract description 3
- 239000011150 reinforced concrete Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a UHPC concrete whole-room prefabricated composite floor slab, which comprises a bottom composite floor slab prefabricated sheet layer, an upper composite floor slab cast-in-situ layer and reinforcing bars; the thickness of the prefabricated thin plate layer of the composite floor slab is 30 mm, and the thickness of the cast-in-place layer of the composite floor slab is 70-100 mm; the reinforcing bars comprise bottom transverse reinforcing bars, bottom longitudinal reinforcing bars, web member reinforcing bars and upper reinforcing bars; two ends of the bottom transverse steel bar and the bottom longitudinal steel bar are respectively provided with an outward extension part, and the outward extension parts are positioned at the outer side of the end part of the laminated floor slab precast thin plate layer; the whole web member steel bar is arranged in a wave shape, and the diameter of the web member steel bar is 6 mm; the utility model can effectively solve the defects existing in the construction of cast-in-place concrete or single-plate prefabrication, assembly and post-cast layer in the prior art; the site formwork support and the secondary pouring are not needed, so that the manufacturing cost is saved; the construction and installation speed of the floor slab can be improved; the industrial production can be adopted, the operation and control of the process flow are simple and convenient, the labor productivity is effectively improved, and the quality is reliably ensured.
Description
Technical Field
The utility model relates to a prefabricated coincide floor in whole room of UHPC concrete belongs to concrete floor technical field.
Background
At present, in houses built nationwide, floor slabs are mainly constructed by cast-in-place concrete or construction methods of single-slab prefabrication, assembly and post-cast layer.
The cast-in-place concrete floor slab manufacturing method mainly needs on-site formwork erecting, reinforcing steel bar binding and concrete pouring, wastes templates, supports and manpower, is high in manufacturing cost and uneconomical, and causes unnecessary troubles for construction of a construction site. In addition, the cast-in-place concrete floor slab is easy to cause dust pollution by on-site stirring.
Although the single-plate prefabricated assembled floor slab can avoid on-site formwork erection and reinforcement binding to save certain labor, the remained joint between the middle plate and the plate needs secondary pouring in the construction process, the trouble of secondary construction is caused, the integrity of the whole floor slab is poor, the floor slab cannot resist earthquake, temperature cracks are easy to generate between the plates, and certain quality hidden troubles exist.
The patent application number is CN 201821482042.3's the utility model patent of china, discloses a UHPC ultra high performance concrete steel bar truss coincide floor, and this coincide floor belongs to the prefabricated floor of assembling of veneer promptly, has the shortcoming that the secondary was filled, and influences floor construction installation rate.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a UHPC concrete prefabricated composite floor slab in the whole room aiming at the defects in the background technology, which can effectively solve the defects existing in the construction of cast-in-place concrete or single-slab prefabricated assembly and post-cast layer in the prior art; the site formwork support and the secondary pouring are not needed, so that the manufacturing cost is saved; the construction and installation speed of the floor slab can be improved; the industrial production can be adopted, the operation and control of the process flow are simple and convenient, the labor productivity is effectively improved, and the quality is reliably ensured.
For solving the technical problem, the utility model discloses a following technical scheme:
a UHPC concrete whole-room prefabricated composite floor slab comprises a composite floor slab prefabricated sheet layer at the bottom, a composite floor slab cast-in-place layer at the upper part and reinforcing bars; the thickness of the prefabricated thin plate layer of the composite floor slab is 30 mm, and the thickness of the cast-in-place layer of the composite floor slab is 70-100 mm; the reinforcing bars comprise bottom transverse reinforcing bars, bottom longitudinal reinforcing bars, web member reinforcing bars and upper reinforcing bars; two ends of the bottom transverse steel bar and the bottom longitudinal steel bar are respectively provided with an outward extension part, and the outward extension parts are positioned outside the end parts of the laminated floor slab precast thin plate layers; the whole web member steel bars are arranged in a wave shape, and the diameter of each web member steel bar is 6 mm; two rows of lifting hooks are arranged on the laminated floor slab layer, four lifting hooks are arranged on each row, and adjacent lifting hooks are arranged at equal intervals.
Furthermore, a plurality of parallel bottom transverse steel bars arranged at equal intervals and a plurality of parallel bottom longitudinal steel bars arranged at equal intervals are arranged inside the laminated floor slab precast thin plate layer; the spacing between adjacent bottom transverse rebars is 150 mm, and the spacing between adjacent bottom longitudinal rebars is 200 mm.
Further, the diameter of the bottom transverse steel bar is 8 mm; the diameter of the bottom longitudinal steel bar is 6 mm.
Furthermore, the lower part of the main body of the web member steel bar is arranged in the laminated floor slab prefabricated sheet layer, the lower end of the web member steel bar is in lap joint with the bottom transverse steel bar and the bottom longitudinal steel bar in the laminated floor slab prefabricated sheet layer, and the upper part of the main body of the web member steel bar is positioned above the laminated floor slab prefabricated sheet layer; and the upper end of the web member steel bar is lapped with the upper part steel bar.
Furthermore, the upper steel bar is arranged inside the cast-in-place layer of the composite floor slab; the diameter of the upper reinforcing steel bar is 12 mm.
Furthermore, the lower end of the lifting hook is vertically anchored and connected with a lifting hook anchor bar; the lifting hook anchor bar is arranged below the bottom transverse steel bar and the bottom longitudinal steel bar, and the lifting hook, the lifting hook anchor bar and the laminated floor slab precast thin slab layer are poured into a whole.
Furthermore, the laminated floor slab precast thin plate layer is lifted by a hanging bracket, and pulleys corresponding to the lifting hooks one by one are arranged at the bottom of the hanging bracket; in the hoisting process, a W-shaped steel wire rope is wound between the lifting hook and the pulley for hoisting.
The utility model adopts the above technical scheme after, compare with prior art, have following advantage:
the utility model provides a UHPC concrete prefabricated composite floor slab in whole room, can solve the deficiency that the cast-in-place concrete or veneer prefabrication are assembled and are watered after the layer construction exists in the prior art effectively, need not on-the-spot formwork, need not secondary pour into, only do the construction of secondary post-cast layer, the board bottom need not do the secondary processing of plastering, the financial resources of using manpower sparingly greatly, the comprehensive cost of board is reasonable compared with other existing floor slabs, the cost is low; the whole prefabricated composite floor slab is integrally hoisted, so that the construction and installation speed of the floor slab can be improved; the method can adopt industrial production, has accurate, flat and compact appearance size, simple and convenient operation and control of the process flow, effectively improves the labor productivity and reliably ensures the quality; the utility model has light weight, reasonable structure and convenient transportation, solves the problem of the current floor slab that is bulky and heavy in the production, transportation and construction processes, and reduces 1/3 on the energy consumption of raw materials because the self weight of the slab is 1/2 of the common laminated floor slab by comparing the slab thickness with the weight; the utility model discloses owing to adopt batch production, solved the dust pollution that concrete on-the-spot stirring brought.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view taken at 1-1 of FIG. 1;
FIG. 3 is a cross-sectional view taken at 2-2 of FIG. 2;
FIG. 4 is a schematic cross-sectional view of the reinforcement of the present invention;
FIG. 5 is a schematic view of the structure of the hook of the present invention;
in the figure, 1-laminated floor slab precast thin plate layer, 2-bottom transverse steel bar, 3-bottom longitudinal steel bar, 4-overhang part, 5-web member steel bar, 6-upper steel bar, 7-laminated floor slab cast-in-situ layer, 8-lifting hook and 9-lifting hook anchor bar.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1-5, the utility model provides a UHPC concrete prefabricated composite floor slab in whole room, which comprises a bottom composite floor slab prefabricated thin slab layer 1, an upper composite floor slab cast-in-situ layer 7 and reinforcing bars; the reinforcing bars comprise bottom transverse reinforcing steel bars 2, bottom longitudinal reinforcing steel bars 3, web member reinforcing steel bars 5 and upper reinforcing steel bars 6.
The laminated floor slab precast thin plate layer 1 is formed by pouring high-strength steel bars and UHPC ultrahigh-performance concrete, and the thickness of the laminated floor slab precast thin plate layer 1 is 30 mm; the thickness of the laminated floor cast-in-place layer 7 is 70-100 mm; the total thickness of the laminated floor slab is 100-130 mm.
A plurality of parallel bottom transverse steel bars 2 arranged at equal intervals and a plurality of parallel bottom longitudinal steel bars 3 arranged at equal intervals are arranged inside the laminated floor slab precast thin plate layer 1; the distance between the adjacent bottom transverse steel bars 2 is 150 mm, and the diameter of each bottom transverse steel bar 2 is 8 mm; the distance between adjacent bottom longitudinal rebars 3 is 200 mm, and the diameter of the bottom longitudinal rebars 3 is 6 mm.
The both ends of horizontal reinforcing bar 2 in bottom and the vertical reinforcing bar 3 in bottom are equipped with overhang 4 respectively, and overhang 4 is located the tip outside of coincide floor precast slab layer 1, and the floor can be even as an organic whole respectively with beam column wall etc. of reinforced concrete frame construction, reinforced concrete shear wall structure, shaped steel structure, steel construction through board end overhang 4 nodal processing, plays the whole antidetonation effect of bearing to whole building.
The whole web member steel bars 5 are arranged in a wave shape, and the diameter of the web member steel bars 5 is 6 mm; the lower part of the main body of the web member steel bar 5 is arranged in the laminated floor slab precast thin plate layer 1, the lower end of the web member steel bar 5 is welded with the bottom transverse steel bar 2 and the bottom longitudinal steel bar 3 in the laminated floor slab precast thin plate layer 1, and the upper part of the main body of the web member steel bar 5 is positioned above the laminated floor slab precast thin plate layer 1 and is arranged in the laminated floor slab cast-in-situ layer 7; the upper ends of the web member steel bars 5 are welded with the upper steel bars 6; the upper reinforcing steel bars 6 are arranged inside the cast-in-place layer 7 of the composite floor slab; the diameter of the upper reinforcing steel bar 6 is 12 mm.
Two rows of lifting hooks 8 are arranged on the laminated floor slab precast thin plate layer 1, four lifting hooks 8 are arranged on each row, and the adjacent lifting hooks 8 are arranged at equal intervals; the lower end of the lifting hook 8 is vertically anchored and connected with a lifting hook anchor bar 9; the lifting hook anchor bars 9 are arranged below the bottom transverse steel bars 2 and the bottom longitudinal steel bars 3, and the lifting hook 8, the lifting hook anchor bars 9 and the laminated floor slab precast thin plate layer 1 are poured integrally.
The laminated floor slab precast thin plate layer 1 is lifted by a special lifting frame, and pulleys corresponding to the lifting hooks 8 one by one are arranged at the bottom of the lifting frame; in the hoisting process, a W-shaped steel wire rope is wound between the lifting hook 8 and the pulley for hoisting.
The utility model discloses a concrete theory of operation:
the utility model provides a coincide floor precast sheet layer 1 is formed by high strength steel bar and UHPC ultra high performance concrete placement, and the reinforcing bar overhang 4 outside the coincide floor precast sheet layer 1 tip can be connected as an organic whole respectively with reinforced concrete frame construction, reinforced concrete shear wall structure, shaped steel structure, the beam column wall of steel construction etc. through node treatment, plays the bearing to whole building, whole antidetonation effect; two rows of lifting hooks 8 arranged on the laminated floor slab precast thin plate layer 1 are integrally cast with the laminated floor slab precast thin plate layer 1, and the laminated floor slab precast thin plate layer 1 is lifted by winding a W-shaped steel wire rope, so that the stability of the lifting process is ensured; the cast-in-place layer 7 of the composite floor slab and the web member steel bars 5 are integrally cast and molded; the web member steel bars 5, the bottom transverse steel bars 2 and the upper steel bars 6 form a steel bar truss, and the steel bar truss plays a role in stabilizing and preventing cracking along the negative bending moment generated at the longitudinal plate end in the hoisting process; the utility model is characterized in that the factory is prefabricated, the production process is simple, the weight is light, the structure is reasonable, the transportation is convenient, the on-site hoisting and the installation are convenient, the bottom plate of the component is thin, environment-friendly, durable and beautiful; the utility model discloses a batch production, external dimension is accurate, level and smooth, closely knit, and construction convenience after the floor installation does not need a formwork, only waters the layer construction after making the secondary, and the board bottom surface need not make the secondary and plasters the processing, and great financial resources of using manpower sparingly, the comprehensive cost of board is compared rationally with other existing floors, and the cost is low.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (7)
1. The utility model provides a prefabricated coincide floor in whole room of UHPC concrete which characterized in that: the composite floor slab comprises a bottom composite floor slab prefabricated thin plate layer (1), an upper composite floor slab cast-in-place layer (7) and reinforcing bars; the thickness of the laminated floor slab precast thin plate layer (1) is 30 mm, and the thickness of the laminated floor slab cast-in-place layer (7) is 70-100 mm; the reinforcing steel bars comprise bottom transverse steel bars (2), bottom longitudinal steel bars (3), web member steel bars (5) and upper steel bars (6); two ends of the bottom transverse steel bar (2) and the bottom longitudinal steel bar (3) are respectively provided with an extended part (4), and the extended parts (4) are positioned outside the end part of the laminated floor slab precast thin plate layer (1); the whole web member reinforcing steel bars (5) are arranged in a wave shape, and the diameter of the web member reinforcing steel bars (5) is 6 mm; be equipped with two lifting hooks (8) on coincide floor precast slab layer (1), every lifting hook (8) of being listed as is equipped with four altogether, equidistant setting between adjacent lifting hook (8).
2. A UHPC concrete integral prefabricated composite floor slab as claimed in claim 1, wherein: a plurality of parallel bottom transverse steel bars (2) arranged at equal intervals and a plurality of parallel bottom longitudinal steel bars (3) arranged at equal intervals are arranged inside the laminated floor slab precast thin plate layer (1); the distance between the adjacent bottom transverse steel bars (2) is 150 mm, and the distance between the adjacent bottom longitudinal steel bars (3) is 200 mm.
3. A UHPC concrete integral prefabricated composite floor slab as claimed in claim 1, wherein: the diameter of the bottom transverse steel bar (2) is 8 mm; the diameter of the bottom longitudinal steel bar (3) is 6 mm.
4. A UHPC concrete integral prefabricated composite floor slab as claimed in claim 1, wherein: the lower parts of the main bodies of the web member steel bars (5) are arranged in the laminated floor slab precast thin plate layer (1), the lower ends of the web member steel bars (5) are in lap joint with the bottom transverse steel bars (2) and the bottom longitudinal steel bars (3), and the upper parts of the main bodies of the web member steel bars (5) are positioned above the laminated floor slab precast thin plate layer (1); and the upper end of the web member steel bar (5) is welded with the upper part steel bar (6).
5. A UHPC concrete integral prefabricated composite floor slab as claimed in claim 1, wherein: the upper steel bar (6) is arranged inside the cast-in-place layer (7) of the composite floor slab; the diameter of the upper reinforcing steel bar (6) is 12 mm.
6. A UHPC concrete integral prefabricated composite floor slab as claimed in claim 1, wherein: the lower end of the lifting hook (8) is vertically anchored and connected with a lifting hook anchor bar (9); the lifting hook anchor bars (9) are arranged below the bottom transverse steel bars (2) and the bottom longitudinal steel bars (3), and the lifting hook (8) and the lifting hook anchor bars (9) are integrally poured with the laminated floor slab prefabricated sheet layer (1).
7. A UHPC concrete integral prefabricated composite floor slab as claimed in claim 1, wherein: the laminated floor slab precast thin plate layer (1) is lifted by a lifting frame, and pulleys corresponding to the lifting hooks (8) one by one are arranged at the bottom of the lifting frame; in the hoisting process, a W-shaped steel wire rope is wound between the lifting hook (8) and the pulley for hoisting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021837395.8U CN213174397U (en) | 2020-08-28 | 2020-08-28 | Whole prefabricated coincide floor of UHPC concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021837395.8U CN213174397U (en) | 2020-08-28 | 2020-08-28 | Whole prefabricated coincide floor of UHPC concrete |
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| Publication Number | Publication Date |
|---|---|
| CN213174397U true CN213174397U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021837395.8U Active CN213174397U (en) | 2020-08-28 | 2020-08-28 | Whole prefabricated coincide floor of UHPC concrete |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126139A (en) * | 2022-07-08 | 2022-09-30 | 宁海国基模材有限公司 | Operation method for secondary floor pouring |
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- 2020-08-28 CN CN202021837395.8U patent/CN213174397U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126139A (en) * | 2022-07-08 | 2022-09-30 | 宁海国基模材有限公司 | Operation method for secondary floor pouring |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231120 Address after: No. 1068 Wei'an Road, Fangzi District, Weifang City, Shandong Province, 261200 Patentee after: Weifang Lvcheng Mild Building Technology Co.,Ltd. Address before: Room 1305, building a, Weifang Construction Engineering Trade Training Center, 465 Wenhua Road, Kuiwen District, Weifang City, Shandong Province, 261000 Patentee before: SHANDONG YUANMENG GREEN BUILDING TECHNOLOGY Co.,Ltd. |