CN102251607B - Reinforced concrete superposed wall joint connecting structure and construction method - Google Patents
Reinforced concrete superposed wall joint connecting structure and construction method Download PDFInfo
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- CN102251607B CN102251607B CN201110113482.8A CN201110113482A CN102251607B CN 102251607 B CN102251607 B CN 102251607B CN 201110113482 A CN201110113482 A CN 201110113482A CN 102251607 B CN102251607 B CN 102251607B
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 101
- 238000010276 construction Methods 0.000 title description 5
- 239000004567 concrete Substances 0.000 claims abstract description 49
- 230000003014 reinforcing effect Effects 0.000 claims description 38
- 230000002787 reinforcement Effects 0.000 claims description 26
- 238000011065 in-situ storage Methods 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000002344 surface layer Substances 0.000 claims description 10
- 238000007373 indentation Methods 0.000 claims description 6
- 238000009415 formwork Methods 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Abstract
The invention provides a reinforced concrete superposed wall joint connecting structure, which comprises an upper reinforced concrete superposed wall and a lower reinforced concrete superposed wall which are superposed up and down; the upper-layer reinforced concrete superposed wall comprises an upper-layer prefabricated reinforced concrete wall shell, an upper-layer wall notch, an upper-layer wall cavity, cast-in-place concrete and upper-layer wall notch reinforcing steel bars, the lower-layer reinforced concrete superposed wall comprises a lower-layer prefabricated reinforced concrete wall shell, cast-in-place concrete and embedded reinforcing steel bars, and the upper-layer reinforced concrete superposed wall and the lower-layer reinforced concrete superposed wall form a whole through the upper-layer wall notch reinforcing steel bars, the embedded reinforcing steel bars and the cast-in-place concrete. The joint connecting structure can effectively solve the problem of weakened connection between the upper and lower reinforced concrete superposed shear walls, and further enhances the integrity, bearing capacity and anti-seismic performance of the reinforced concrete superposed wall joint.
Description
Technical field
The invention belongs to building structure field, relate to the buildings in general structure, be specifically related to be fit to the concrete structural system of suitability for industrialized production, particularly reinforced concrete sandwich body of wall node connecting structure and job practices.
Background technology
More than 400 hundred million square metres of China's existing building gross areas expect the year two thousand twenty and also will increase about 30,000,000,000 square metres of building area newly.Building not only takies a large amount of soils; And the direct energy that consumes accounts for 30% of whole society's total energy consumption in construction and use, and the energy consumption of the building materials of use accounts for 16.7%, and water accounts for 47% of urban water use; The steel that use account for 30% of national steel using amount, and cement accounts for 25%.China's building energy consumption is high, and reducing building energy consumption is developments economize.Adopt advanced mode of construction, carry forward vigorously batch production and produce various building prefabricated components, house module and job site assembling assembling, can effectively reduce building energy consumption.Therefore; The Chinese government is according to the requirement of novel residential building system; Progressively set up dwelling house portion article authentication system; Eliminate the backward portion article of energy-consuming consumptive material, promote the dwelling house portion article that meet the recycling economy development requirement, progressively establish and improve the standardization dwelling house portion article system of exploitation, large-scale production, provision in set.Real estate and the relevant peace enterprise that builds, the also progressively requirement of active adaption housing industrialization on management organization and technical equipment means, " putting up a house " as making automobile as the development in future direction.
The existing prefabricated units of reinforced concrete sandwich shear wall structure system need not formwork, form removal; Cycle is short; Advantages such as on-the-spot work amount is little also have the advantage that the Cast-in-situs type structural integrity is strong, anti-seismic performance is good, are a kind of structural shapes of suitable suitability for industrialized production; Have a good application prospect economic benefit and obvious social benefit.At present, in the upper and lower layer of reinforced concrete sandwich shear wall structure wall assembly process, the connected node between the upper and lower layer reinforced concrete sandwich shear wall is the weak link in this structural system.The conventional node connecting structure of tradition is through cast-in-situ concrete in embedded bar in lower floor's body of wall and the precast concrete wall enclosure upper and lower layer body of wall to be linked to be integral body; Then only starch between the upper and lower layer prefabricated reinforced concrete shell and be connected through the seat of 40mm-50mm; Experimental study shows; This locates to be weak link under horizontal loads, and the more common cast-in-place shear wall section area of this place's body of wall effective cross-sectional area reduces.
Summary of the invention
The objective of the invention is above-mentioned deficiency to the prior art existence; A kind of reinforced concrete sandwich body of wall node connecting structure is provided; This node connecting structure can effectively solve between the upper and lower layer reinforced concrete sandwich shear wall and connect the weakening problem, further globality, supporting capacity and the anti-seismic performance of reinforcing steel bar concrete folding body of wall node.
The present invention also provides a kind of job practices of reinforced concrete sandwich body of wall node connecting structure.
The present invention realizes through following technical scheme:
A kind of reinforced concrete sandwich body of wall node connecting structure comprises superimposed top reinforcement concrete folding body of wall and lower floor's reinforced concrete sandwich body of wall up and down;
Said top reinforcement concrete folding body of wall comprises upper strata prefabricated reinforced concrete wall enclosure, upper strata body of wall breach, body of wall surface layer, upper strata wall cavity, cast-in-situ concrete, upper strata body of wall breach reinforcing bar and upper strata body of wall Steel bar rack; Said upper strata prefabricated reinforced concrete wall enclosure is formed by connecting through upper strata body of wall Steel bar rack two body of wall surface layers; Form the upper strata wall cavity in the prefabricated reinforced concrete wall enclosure of upper strata; Upper strata prefabricated reinforced concrete wall enclosure is provided with upper strata body of wall breach; Upper strata body of wall indentation, there is provided with upper strata body of wall breach reinforcing bar, and the reinforcing bar in upper strata body of wall breach reinforcing bar and the upper strata prefabricated reinforced concrete wall enclosure is as a whole;
Said lower floor reinforced concrete sandwich body of wall comprises lower floor's prefabricated reinforced concrete wall enclosure, body of wall surface layer, lower floor's wall cavity, lower floor's body of wall Steel bar rack, cast-in-situ concrete and embedded bar; Said lower floor prefabricated reinforced concrete wall enclosure is formed by connecting through lower floor's body of wall Steel bar rack two body of wall surface layers; Form lower floor's wall cavity in lower floor's prefabricated reinforced concrete wall enclosure; Be provided with embedded bar in lower floor's wall cavity; Embedded bar inserts the upper strata wall cavity, and embedded bar is connected with upper strata body of wall breach reinforcing bar;
Said upper strata wall cavity, upper strata body of wall breach and lower floor's cavity are filled with cast-in-situ concrete, and top reinforcement concrete folding body of wall and lower floor's reinforced concrete sandwich body of wall form an integral body through upper strata body of wall breach reinforcing bar, embedded bar and cast-in-situ concrete.
As preferably, bottom or top or top, bottom that said upper strata body of wall breach can be arranged on upper strata prefabricated reinforced concrete wall enclosure all are provided with, and are preferably disposed on the bottom of upper strata prefabricated reinforced concrete wall enclosure.
As preferably, said upper strata body of wall breach reinforcing bar runs through whole upper strata body of wall breach.
As preferably, said upper strata body of wall breach reinforcing bar comprises horizontal reinforcement and vertical reinforcement.
A kind of job practices of above-mentioned reinforced concrete sandwich body of wall node connecting structure may further comprise the steps:
The first step: prefabricated lower floor prefabricated reinforced concrete wall enclosure and the upper strata prefabricated reinforced concrete wall enclosure that has upper strata body of wall breach; The body of wall indentation, there is provided with upper strata body of wall breach reinforcing bar on the upper strata, and the reinforcing bar in upper strata body of wall breach reinforcing bar and the upper strata prefabricated reinforced concrete wall enclosure is as a whole;
Second step: in lower floor's wall cavity of lower floor's reinforced concrete sandwich body of wall, embedded bar is set, builds cast-in-situ concrete to lower floor's wall cavity then, lower floor's reinforced concrete sandwich body of wall completes;
The 3rd step: top reinforcement concrete folding body of wall is positioned on lower floor's reinforced concrete sandwich body of wall, again upper strata body of wall breach reinforcing bar is connected with the embedded bar of lower floor reinforced concrete sandwich body of wall;
The 4th step: the body of wall indentation, there is carried out formwork on the upper strata of top reinforcement concrete folding body of wall, builds cast-in-situ concrete to upper strata body of wall breach and upper strata wall cavity then, treats the cast-in-situ concrete cured, accomplishes the finish node syndeton.
Node connecting structure of the present invention is applicable to multistory reinforced concrete folding body of wall; Top reinforcement concrete folding body of wall among the present invention is when top reinforcement concrete folding body of wall is connected again; Also can use node connecting structure of the present invention, the top reinforcement concrete folding body of wall among the present invention's this moment can be taken as lower floor's reinforced concrete sandwich body of wall.
The invention has the beneficial effects as follows; Compare with the reinforced concrete sandwich body of wall node that tradition is conventional; Node connecting structure of the present invention just can make that the reinforcing bar in the prefabricated reinforced concrete wall enclosure combines with cast-in-situ concrete at the node place under the situation of extra increase construction cost hardly, increase the effective area of node place wall section; Eliminate the weak link in traditional regular node; Give full play to the effect of prefabricated reinforced concrete wall enclosure, both improved the supporting capacity of the reinforced concrete sandwich body of wall that the institute assembly unit accomplishes, can improve reinforced concrete sandwich integrality of wall that institute's assembly unit accomplishes, anti-seismic performance etc. again; And convenient construction; Be convenient to check the connection situation of node reinforcing bar, when concreting, can also eliminate simultaneously mass defects such as the hole that possibly exist in the cast-in-situ concrete of node junction, voids and pits, guarantee the reliability that the reinforced concrete sandwich body of wall connects.
Description of drawings
Fig. 1 is the structural representation before top reinforcement concrete folding body of wall of the present invention is built;
Fig. 2 is the structural representation after lower floor of the present invention reinforced concrete sandwich body of wall is built;
Fig. 3 is the structural representation before top reinforcement concrete folding body of wall of the present invention and the lower floor's reinforced concrete sandwich body of wall location after-pouring.
Fig. 4 is the structural representation after reinforced concrete sandwich body of wall node connecting structure of the present invention is accomplished.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is further described:
A kind of reinforced concrete sandwich body of wall node connecting structure comprises superimposed top reinforcement concrete folding body of wall and lower floor's reinforced concrete sandwich body of wall up and down;
Said top reinforcement concrete folding body of wall comprises upper strata prefabricated reinforced concrete wall enclosure 9, upper strata body of wall breach 2, body of wall surface layer 1, upper strata wall cavity 4, cast-in-situ concrete 6, upper strata body of wall breach reinforcing bar 3 and upper strata body of wall Steel bar rack 5; Said upper strata prefabricated reinforced concrete wall enclosure 9 is formed by connecting through upper strata body of wall Steel bar rack 5 two body of wall surface layers 1; Form upper strata wall cavity 4 in the upper strata prefabricated reinforced concrete wall enclosure 9; Upper strata prefabricated reinforced concrete wall enclosure 9 is provided with upper strata body of wall breach 2; Body of wall breach 2 places, upper strata are provided with upper strata body of wall breach reinforcing bar 3, and upper strata body of wall breach reinforcing bar 3 is as a whole with the reinforcing bar in the upper strata prefabricated reinforced concrete wall enclosure 9;
Said lower floor reinforced concrete sandwich body of wall comprises lower floor's prefabricated reinforced concrete wall enclosure 7, body of wall surface layer 1, lower floor's wall cavity, lower floor's body of wall Steel bar rack, cast-in-situ concrete 6 and embedded bar 8; Said lower floor prefabricated reinforced concrete wall enclosure 7 is formed by connecting through lower floor's body of wall Steel bar rack two body of wall surface layers 1; Form lower floor's wall cavity in lower floor's prefabricated reinforced concrete wall enclosure 9; Be provided with embedded bar 8 in lower floor's wall cavity; Embedded bar 8 insertion upper strata wall cavities 4, embedded bar 8 is connected with upper strata body of wall breach reinforcing bar 3;
Said upper strata wall cavity 4, upper strata body of wall breach 2 and lower floor's cavity are filled with cast-in-situ concrete 6, and top reinforcement concrete folding body of wall and lower floor's reinforced concrete sandwich body of wall form an integral body through upper strata body of wall breach reinforcing bar 3, embedded bar 8 and cast-in-situ concrete 6.
Said upper strata body of wall breach 2 is arranged on the bottom of upper strata prefabricated reinforced concrete wall enclosure 9, and upper strata body of wall breach reinforcing bar 3 runs through whole upper strata body of wall breach 2, and upper strata body of wall breach reinforcing bar 3 comprises horizontal reinforcement and vertical reinforcement.
A kind of job practices of above-mentioned reinforced concrete sandwich body of wall node connecting structure may further comprise the steps:
The first step: prefabricated lower floor prefabricated reinforced concrete wall enclosure 7 and the upper strata prefabricated reinforced concrete wall enclosure 9 that has upper strata body of wall breach 2; Body of wall breach 2 places are provided with upper strata body of wall breach reinforcing bar 3 on the upper strata, and upper strata body of wall breach reinforcing bar 3 is as a whole with the reinforcing bar in the upper strata prefabricated reinforced concrete wall enclosure 9;
Second step: in lower floor's wall cavity of lower floor's reinforced concrete sandwich body of wall, embedded bar 8 is set, builds cast-in-situ concrete 6 to lower floor's wall cavity then, lower floor's reinforced concrete sandwich body of wall completes;
The 3rd step: top reinforcement concrete folding body of wall is positioned on lower floor's reinforced concrete sandwich body of wall, again upper strata body of wall breach reinforcing bar 3 is connected with the embedded bar 8 of lower floor reinforced concrete sandwich body of wall;
The 4th step: body of wall breach 2 places carry out formwork on the upper strata of top reinforcement concrete folding body of wall, build cast-in-situ concrete 6 to upper strata body of wall breach 2 and upper strata wall cavity 4 then, treat cast-in-situ concrete 6 cured, accomplish the finish node syndeton.
Claims (6)
1. a reinforced concrete sandwich body of wall node connecting structure is characterized in that: comprise superimposed top reinforcement concrete folding body of wall and lower floor's reinforced concrete sandwich body of wall up and down;
Said top reinforcement concrete folding body of wall comprises upper strata prefabricated reinforced concrete wall enclosure, upper strata body of wall breach, upper strata wall cavity, cast-in-situ concrete and upper strata body of wall breach reinforcing bar; Said upper strata prefabricated reinforced concrete wall enclosure is formed by connecting through upper strata body of wall Steel bar rack two body of wall surface layers; Form the upper strata wall cavity in the prefabricated reinforced concrete wall enclosure of upper strata; Upper strata prefabricated reinforced concrete wall enclosure is provided with upper strata body of wall breach; Upper strata body of wall indentation, there is provided with upper strata body of wall breach reinforcing bar, and the reinforcing bar in upper strata body of wall breach reinforcing bar and the upper strata prefabricated reinforced concrete wall enclosure is as a whole;
Said lower floor reinforced concrete sandwich body of wall comprises lower floor's prefabricated reinforced concrete wall enclosure, lower floor's wall cavity, cast-in-situ concrete and embedded bar; Said lower floor prefabricated reinforced concrete wall enclosure is formed by connecting through lower floor's body of wall Steel bar rack two body of wall surface layers; Form lower floor's wall cavity in lower floor's prefabricated reinforced concrete wall enclosure; Be provided with embedded bar in lower floor's wall cavity, embedded bar inserts the upper strata wall cavity, and embedded bar is connected with upper strata body of wall breach reinforcing bar;
Said upper strata wall cavity, upper strata body of wall breach and lower floor's wall cavity are filled with cast-in-situ concrete, and top reinforcement concrete folding body of wall and lower floor's reinforced concrete sandwich body of wall form an integral body through upper strata body of wall breach reinforcing bar, embedded bar and cast-in-situ concrete.
2. reinforced concrete sandwich body of wall node connecting structure according to claim 1 is characterized in that: bottom or top or top, bottom that said upper strata body of wall breach is arranged on upper strata prefabricated reinforced concrete wall enclosure all are provided with.
3. reinforced concrete sandwich body of wall node connecting structure according to claim 2 is characterized in that: said upper strata body of wall breach is arranged on the bottom of upper strata prefabricated reinforced concrete wall enclosure.
4. reinforced concrete sandwich body of wall node connecting structure according to claim 1 is characterized in that: said upper strata body of wall breach reinforcing bar runs through whole upper strata body of wall breach.
5. reinforced concrete sandwich body of wall node connecting structure according to claim 1 is characterized in that: said upper strata body of wall breach reinforcing bar comprises horizontal reinforcement and vertical reinforcement.
6. the job practices of a reinforced concrete sandwich body of wall node connecting structure according to claim 1 may further comprise the steps:
The first step: prefabricated lower floor prefabricated reinforced concrete wall enclosure and the upper strata prefabricated reinforced concrete wall enclosure that has upper strata body of wall breach; The body of wall indentation, there is provided with upper strata body of wall breach reinforcing bar on the upper strata, and the reinforcing bar in upper strata body of wall breach reinforcing bar and the upper strata prefabricated reinforced concrete wall enclosure is as a whole;
Second step: in lower floor's wall cavity of lower floor's reinforced concrete sandwich body of wall, embedded bar is set, builds cast-in-situ concrete to lower floor's wall cavity then, lower floor's reinforced concrete sandwich body of wall completes;
The 3rd step: top reinforcement concrete folding body of wall is positioned on lower floor's reinforced concrete sandwich body of wall, again upper strata body of wall breach reinforcing bar is connected with the embedded bar of lower floor reinforced concrete sandwich body of wall;
The 4th step: the body of wall indentation, there is carried out formwork on the upper strata of top reinforcement concrete folding body of wall, builds cast-in-situ concrete to upper strata body of wall breach and upper strata wall cavity then, treats the cast-in-situ concrete cured, accomplishes the finish node syndeton.
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| CN201110113482.8A CN102251607B (en) | 2011-05-04 | 2011-05-04 | Reinforced concrete superposed wall joint connecting structure and construction method |
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| CN201110113482.8A CN102251607B (en) | 2011-05-04 | 2011-05-04 | Reinforced concrete superposed wall joint connecting structure and construction method |
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| CN102251607B true CN102251607B (en) | 2012-12-05 |
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Patent Citations (3)
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