CN202081537U - Node connecting structure of reinforced concrete superimposed wall bodies - Google Patents
Node connecting structure of reinforced concrete superimposed wall bodies Download PDFInfo
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- CN202081537U CN202081537U CN2011201373909U CN201120137390U CN202081537U CN 202081537 U CN202081537 U CN 202081537U CN 2011201373909 U CN2011201373909 U CN 2011201373909U CN 201120137390 U CN201120137390 U CN 201120137390U CN 202081537 U CN202081537 U CN 202081537U
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Abstract
The utility model provides a node connecting structure of reinforced concrete superimposed wall bodies, comprising an upper-layer reinforced concrete superimposed wall body and a lower-layer reinforced concrete superimposed wall body, which are superimposed up and down, wherein the upper-layer reinforced concrete superimposed wall body comprises an upper-layer prefabricated reinforced concrete wall body housing, an upper-layer wall body gap, an upper-layer wall body cavity, cast-in-situ concrete and steel bars of the upper-layer wall body gap, the lower-layer reinforced concrete superimposed wall body comprises a lower-layer prefabricated reinforced concrete wall body housing, cast-in-situ concrete and pre-buried steel bars, and the upper-layer reinforced concrete superimposed wall body and the lower-layer reinforced concrete superimposed wall body form a whole through the steel bars of the upper-layer wall body gap, the pre-buried steel bars and the cast-in-situ concrete. By adopting the node connecting structure, the problem that the connection between an upper-layer reinforced concrete superimposed shear wall and a lower-layer reinforced concrete superimposed shear wall can be weakened, and the integrity, the bearing capacity and the anti-seismic performance of nodes of the reinforced concrete superimposed wall bodies can be further enhanced.
Description
Technical field
The utility model belongs to building structure field, relates to the buildings in general structure, is 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.
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 height, 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 product authentication system, eliminate the backward portion product of energy-consuming consumptive material, popularization meets the dwelling house portion product of recycling economy development requirement, progressively establishes and improve the standardization dwelling house portion product 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, the advantage that the Cast-in-situs type structural integrity is strong, anti-seismic performance is good is also arranged, it is a kind of structural shape 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 by 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 by 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 purpose of this utility model is at the prior art above shortcomings, 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 utility model is achieved through the following technical solutions:
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;
Described top reinforcement concrete folding body of wall comprises upper strata prefabricated reinforced concrete wall enclosure, upper strata body of wall breach, the body of wall surface layer, the 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, described upper strata prefabricated reinforced concrete wall enclosure is formed by connecting by upper strata body of wall Steel bar rack by 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;
Described 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, described lower floor prefabricated reinforced concrete wall enclosure is formed by connecting by lower floor's body of wall Steel bar rack by 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;
Described 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 by upper strata body of wall breach reinforcing bar, embedded bar and cast-in-situ concrete.
As preferably, described upper strata body of wall breach can be arranged on the bottom of upper strata prefabricated reinforced concrete wall enclosure or top or top, the bottom all is provided with, and is preferably disposed on the bottom of upper strata prefabricated reinforced concrete wall enclosure.
As preferably, described upper strata body of wall breach reinforcing bar runs through whole upper strata body of wall breach.
As preferably, described 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, be provided with upper strata body of wall breach reinforcing bar in upper strata body of wall indentation, there, 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 that the cast-in-situ concrete maintenance finishes, and finishes the finish node syndeton.
Node connecting structure of the present utility model is applicable to multistory reinforced concrete folding body of wall, top reinforcement concrete folding body of wall in the utility model is when top reinforcement concrete folding body of wall is connected again, also can use node connecting structure of the present utility model, the top reinforcement concrete folding body of wall in the utility model can be taken as lower floor's reinforced concrete sandwich body of wall at this moment.
The beneficial effects of the utility model are, compare with the reinforced concrete sandwich body of wall node that tradition is conventional, node connecting structure of the present utility model is additionally increasing under the situation of construction cost hardly, just can make the reinforcing bar in the prefabricated reinforced concrete wall enclosure combine with cast-in-situ concrete at the node place, 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 institute's assembly unit finishes, can improve the reinforced concrete sandwich integrality of wall that institute's assembly unit is finished again, anti-seismic performance etc., and convenient construction, be convenient to check the connection situation of node reinforcing bar, simultaneously when concreting, can also eliminate the hole that may exist in the cast-in-situ concrete of node junction, mass defects such as 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 the utility model top reinforcement concrete folding body of wall is built;
Fig. 2 is the structural representation after the utility model lower floor reinforced concrete sandwich body of wall is built;
Fig. 3 is the structural representation before the utility model top reinforcement concrete folding body of wall and the lower floor's reinforced concrete sandwich body of wall location after-pouring.
Fig. 4 is the structural representation after the utility model reinforced concrete sandwich body of wall node connecting structure is finished.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model 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;
Described 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, described upper strata prefabricated reinforced concrete wall enclosure 9 is formed by connecting by upper strata body of wall Steel bar rack 5 by 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;
Described 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, described lower floor prefabricated reinforced concrete wall enclosure 7 is formed by connecting by lower floor's body of wall Steel bar rack by 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 inserts upper strata wall cavity 4, and embedded bar 8 is connected with upper strata body of wall breach reinforcing bar 3;
Described 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 by upper strata body of wall breach reinforcing bar 3, embedded bar 8 and cast-in-situ concrete 6.
Described 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, be provided with upper strata body of wall breach reinforcing bar 3 at upper strata body of wall breach 2 places, 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 that cast-in-situ concrete 6 maintenances finish, and finish the finish node syndeton.
Claims (5)
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;
Described top reinforcement concrete folding body of wall comprises upper strata prefabricated reinforced concrete wall enclosure, upper strata body of wall breach, the body of wall surface layer, the 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, described upper strata prefabricated reinforced concrete wall enclosure is formed by connecting by upper strata body of wall Steel bar rack by 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;
Described 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, described lower floor prefabricated reinforced concrete wall enclosure is formed by connecting by lower floor's body of wall Steel bar rack by 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;
Described 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 by 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: described upper strata body of wall breach is arranged on the bottom of upper strata prefabricated reinforced concrete wall enclosure or top or top, the bottom all is provided with.
3. reinforced concrete sandwich body of wall node connecting structure according to claim 2 is characterized in that: described 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: described 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: described upper strata body of wall breach reinforcing bar comprises horizontal reinforcement and vertical reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201373909U CN202081537U (en) | 2011-05-04 | 2011-05-04 | Node connecting structure of reinforced concrete superimposed wall bodies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201373909U CN202081537U (en) | 2011-05-04 | 2011-05-04 | Node connecting structure of reinforced concrete superimposed wall bodies |
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| CN202081537U true CN202081537U (en) | 2011-12-21 |
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| CN2011201373909U Expired - Lifetime CN202081537U (en) | 2011-05-04 | 2011-05-04 | Node connecting structure of reinforced concrete superimposed wall bodies |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251607A (en) * | 2011-05-04 | 2011-11-23 | 南京工业大学 | Reinforced concrete superposed wall node connecting structure and construction method |
| CN102635181A (en) * | 2012-05-07 | 2012-08-15 | 兰州大学 | Prefabricated ribbed bottom plate superposed wall |
| CN102691366A (en) * | 2012-06-02 | 2012-09-26 | 江苏金砼预制装配建筑发展有限公司 | Precast concrete self-insulating shear wall and assembly type concrete building shear wall structure |
| CN103821264A (en) * | 2014-03-10 | 2014-05-28 | 初明进 | Precast concrete wall body |
-
2011
- 2011-05-04 CN CN2011201373909U patent/CN202081537U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251607A (en) * | 2011-05-04 | 2011-11-23 | 南京工业大学 | Reinforced concrete superposed wall node connecting structure and construction method |
| CN102251607B (en) * | 2011-05-04 | 2012-12-05 | 南京工业大学 | Reinforced concrete superposed wall node connecting structure and construction method |
| CN102635181A (en) * | 2012-05-07 | 2012-08-15 | 兰州大学 | Prefabricated ribbed bottom plate superposed wall |
| CN102691366A (en) * | 2012-06-02 | 2012-09-26 | 江苏金砼预制装配建筑发展有限公司 | Precast concrete self-insulating shear wall and assembly type concrete building shear wall structure |
| CN102691366B (en) * | 2012-06-02 | 2014-02-26 | 江苏金砼预制装配建筑发展有限公司 | Precast concrete self-insulating shear wall and assembly type concrete building shear wall structure |
| CN103821264A (en) * | 2014-03-10 | 2014-05-28 | 初明进 | Precast concrete wall body |
| CN103821264B (en) * | 2014-03-10 | 2016-11-16 | 初明进 | A kind of precast concrete wall |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111221 Effective date of abandoning: 20130306 |
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| RGAV | Abandon patent right to avoid regrant |