CN103132656A - Connecting structure for vertical reinforcement bars of prefabricated wall parts - Google Patents
Connecting structure for vertical reinforcement bars of prefabricated wall parts Download PDFInfo
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- CN103132656A CN103132656A CN2013100541879A CN201310054187A CN103132656A CN 103132656 A CN103132656 A CN 103132656A CN 2013100541879 A CN2013100541879 A CN 2013100541879A CN 201310054187 A CN201310054187 A CN 201310054187A CN 103132656 A CN103132656 A CN 103132656A
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Abstract
The invention discloses a connecting structure for vertical reinforcement bars of prefabricated wall parts. The connecting structure comprises a steel box body with an opening on one side, upper-side prefabricated part reinforcement bars fixedly connected on a top plate of the steel box body, lower-side prefabricated part reinforcement bars penetrating through the inside of the steel box body through an opening formed on the bottom side of the steel box body, base plates and nuts arranged inside the steel box body and sequentially sleeved on the lower-side prefabricated part reinforcement bars, and two wedge plates symmetrically disposed on both sides of the lower-side prefabricated part reinforcement bars. Reinforcement bar mounting holes and two parallelly arranged base plate guide grooves are formed in the base plates, wherein the base plate guide grooves are located on both sides of the reinforcement bar mounting holes. Two wedge-shaped guide grooves are parallelly formed on the lower side of the top plate of the steel box body. The base plate guide grooves and the wedge-shaped guide grooves are formed along the direction of the opening of the steel box body. The depths of the wedge-shaped grooves are gradually decreased from the opening to the inside, the upper ends of the wedge plates and the lower ends of the wedge plates are respectively embedded into the wedge-shaped guide grooves and the base plate guide grooves. By the aid of the connecting structure for vertical reinforcement bars of prefabricated wall parts, reinforcement bars of prefabricated parts are connected quickly and efficiently in real time.
Description
Technical field
The invention belongs to the civil engineering work technical field, relate to and a kind of the connection for vertical reinforcement between the prefabrication and assembly construction wall body construction use steel bar connecting structure.
Background technology
The precast reinforced concrete construction building is changed traditional field operation mode of production the mode of production of making for back court, is China's industrialization of construction industry important feature form of transition.The precast reinforced concrete construction groundwork of operation at the scene is the connection of carrying out between precast reinforced concrete structure, and the connected mode that adopts at present can be summed up as connection between concrete and the connection between reinforcing bar.Reinforcing bar between the precast and assembled reinforced concrete wall body construction connects the general reinforcing bar that is different from cast-in-situ steel reinforced concrete and connects, it is all to have completed at reinforcing bar to be connected the reinforcing bar that carries out under the prerequisite of concreting to connect, and it requires to connect not only reliably but also more emphasizes fast with convenient.
Reinforcing bar between present precast and assembled reinforced concrete member connects common indirect overlap joint connection, the grout sleeve of the joint bar grouting of boxing out of adopting and connects.The screw shell mechanical connection of commonly using in monolithic reinforced concrete structure, because the reinforcement fabrication position deviation restriction that needs are connected is very strict, slightly there is deviation can't connect, and also need synchronously carry out when connecting more reinforcing bar, contraposition between member and in place very inconvenient, thereby rarely use.
It is to stay to establish the duct on prefabricated units that the indirect overlap joint of the joint bar of boxing out grouting connects, another corresponding prefabricated units leave joint bar, carrying out duct grouting behind joint bar insertion duct is connected reinforcing bar again with concrete, its power transmission principle is that adjacent reinforcing bar overlaps mutually, and realizes that by the concrete Shear transfer in gap the transmission of reinforcing bar pressure forms reinforcing bar and connects.The indirect overlap joint of the joint bar of boxing out grouting connects that to stay the bar diameter that inserts in the duct of establishing to go out greatly many, thereby the reinforcing bar that allows to insert has appropriate position deviation, and this has just facilitated contraposition between member and in place.The open defect of overlap joint connection is the steel bar force transfer decentraction indirectly, thereby in order to obtain the concentric connection of power transmission, has allowed again appropriate reinforcement location deviation to facilitate member contraposition and in place simultaneously, the grout sleeve link technique occurred.It is that reinforcing bar is stretched into steel bushing that grout sleeve connects, be in the milk in the sleeve again (filling medium), by steel bushing approximately the media implementation in bundled tube improve the Shear transfer ability of medium, thereby reduce the length that anchors into of reinforcing bar, and realize that the reinforcing bar of power transmission relatively with one heart connects.The medium that grout sleeve connects sleeve and filling all has higher technical requirements, and cost is also higher at present.Be no matter that overlap joint connects or grout sleeve connects indirectly, also need to be in the milk after in place due to member, reinforcing bar can not load before grouting reaches desirable strength, thereby they all belong to non-instantaneity and connect.
Summary of the invention
Technical problem: the present invention is for the reinforcing bar that solves between assembled steel reinforced concrete wall member connects, provide a kind of fast, reinforcing bar instant, high-efficiency and economic connects.
Technical scheme: prefabrication and assembly construction wall body construction vertical reinforcement syndeton of the present invention, be included in the steel carton and crate body that one side is provided with opening, the upside prefabricated units reinforcing bar that is fixedly connected on described steel carton and crate body top board, from the perforate of steel carton and crate body bottom surface penetrate steel carton and crate body inside downside prefabricated units reinforcing bar, to be arranged on steel carton and crate body inner and be enclosed within successively from bottom to up backing plate and nut on downside prefabricated units reinforcing bar and two wedges that are symmetricly set on downside prefabricated units reinforcing bar both sides; Be provided with the reinforcement installation hole in backing plate and be positioned at two backing plate guide grooves that be arranged in parallel of both sides, described reinforcement installation hole, backing plate is arranged on the one section downside prefabricated units reinforcing bar that is positioned at steel carton and crate body inside by the reinforcement installation hole; The downside of steel carton and crate body top board is arranged with two wedge shape guide grooves in parallel, the guide groove direction of described backing plate guide groove and wedge shape guide groove all arranges along steel carton and crate body opening direction, the degree of depth of wedge shape guide groove is inwardly progressively successively decreased from opening, formation is no more than the tapering of 5 degree, and the two ends up and down of wedge embed respectively in wedge shape guide groove and backing plate guide groove.
In the present invention, wedge comprises side plate and is horizontally set on the floor at side plate middle part, and side plate end face ecto-entad is formed slopely the tapering that the wedge shape guide groove with steel carton and crate body top board downside is complementary.
Beneficial effect: the present invention compared with prior art has the following advantages:
1, the regulating error ability that possesses three-dimensional is installed quick and convenient.Reinforcing bar between the precast and assembled reinforced concrete member connects the common indirect overlap joint connection of adopting the joint bar of boxing out to be in the milk, grout sleeve connection, screw shell mechanical connection etc. at present.In this three classes connected mode, the indirect overlap joint of the joint bar of boxing out grouting connects and reinforcement location and length variation is required minimum, is secondly that grout sleeve connects, and is the screw shell mechanical connection at last.This makes between the prefabricated units of using overlap joint connected mode indirectly the contraposition process relatively easy, thereby connection speed is fast, but its shortcoming is to connect decentraction, reinforcing bar the length of overlap joint is longer indirectly, need grouting to reach to connect after intensity just can complete, and not the instantaneity connection.Steel bar connecting structure of the present invention is by arranging the steel box, and the top of steel box is connected with reinforcing bar in member, and other end preformed hole, reinforcing bar to be connected enter the steel box after passing preformed hole, then with nut and the mode of squeezing into wedge, reinforcing bar connected in the steel box.Due to preformed hole greater than the bar diameter that penetrates and leave suitable gap, this makes the contraposition fast and easy between prefabricated units, the deviation of member connecting length direction can be compensated in the steel box by the mode that nut is regulated in addition, squeezes at last wedge and transfers the previous tension connection that realize by the nut mode to the tension and compression connection.
2, connection has instantaneity.After reinforcing bar connection of the present invention is completed, can satisfy reinforcing bar load needs, with respect to indirect overlap joint connection and the grout sleeve connection of the joint bar grouting of boxing out, exempt the interim stabilization and reinforcement measure before the prefabricated units connection is effective, simplify activities.
3, make simply good economy performance.The present invention adopts the steel box to carry out stressed conversion between reinforcing bar, realizes the mechanical connection of reinforcing bar, and unitary construction is succinct, makes simply, and overall economic efficiency is obvious.
A kind of prefabrication and assembly construction wall body construction vertical reinforcement syndeton provided by the invention, by the steel box is set, reinforcing bar to be connected is carried out the screw thread mechanical connection in steel carton and crate body, overcome screw shell connect, many piece reinforcing bars strict due to the position deviation to reinforcing bar connect need synchronous, and the member contraposition difficulty in place that causes is installed inconvenience; Though and indirectly overlap joint connects and grout sleeve connects the contraposition problem in place that solved, and connects to have non-instantaneity, during reinforcing bar can not load, member needs stronger interim robust structure to assist the deficiency of load.Realized that prefabricated units reinforcing bar quick, instant, high-efficiency and economic connects.
Description of drawings
Fig. 1 is steel bar connecting structure general assembly schematic diagram of the present invention.
Fig. 2 is the steel carton and crate body three-dimensional structure schematic diagram of steel bar connecting structure of the present invention.
Fig. 3 is the steel carton and crate body three-dimensional structure schematic diagram of steel bar connecting structure of the present invention
Fig. 4 is the backing structure schematic diagram of steel bar connecting structure of the present invention.
Fig. 5 is backing plate and the nut assembling schematic diagram of steel bar connecting structure of the present invention.
Fig. 6 is the left wedge three-dimensional structure schematic diagram of steel bar connecting structure of the present invention.
Fig. 7 is the left wedge side elevation structure chart of steel bar connecting structure of the present invention.
Fig. 8 is the positive facade structure chart of the left wedge of steel bar connecting structure of the present invention.
Have in figure: 1 is upside prefabricated units reinforcing bar, and 2 is downside prefabricated units reinforcing bars, and 3 is steel carton and crate body, and 4 is backing plate, 5 is nut, and 6 is wedge, and 7 is the downside prefabricated units, 8 is the upside prefabricated units, and 21 is thread, and 31 is the wedge shape guide groove, 32 are perforate, and 33 is steel carton and crate body base plate, and 34 is steel carton and crate body top board, 35 is steel box box side, and 36 is steel carton and crate body backboard, and 41 is the reinforcement installation hole, 42 is the backing plate guide groove, and 61 is side plate, and 62 is floor.
The specific embodiment
Prefabrication and assembly construction wall body construction vertical reinforcement syndeton of the present invention, be included in the steel carton and crate body 3 that one side is provided with opening, the upside prefabricated units reinforcing bar 1 that is fixedly connected on described steel carton and crate body 3 top boards, from the perforate 32 of steel carton and crate body 3 base plates penetrate box house downside prefabricated units reinforcing bar 2, to be arranged on steel carton and crate body 3 inner and be enclosed within successively from bottom to up backing plate 4 and nut 5 on downside prefabricated units reinforcing bar 2 and two wedges 6 that are symmetricly set on downside prefabricated units reinforcing bar 2 both sides.
Be provided with reinforcement installation hole 41 in backing plate 4 and be positioned at two backing plate guide grooves 42 that be arranged in parallel of 41 both sides, described reinforcement installation hole, backing plate 4 is arranged on the one section downside prefabricated units reinforcing bar 2 that is positioned at steel carton and crate body 3 inside by reinforcement installation hole 41.The downside of steel carton and crate body 3 top boards is arranged with two wedge shape guide grooves 31 in parallel, the guide groove direction of backing plate guide groove 42 and wedge shape guide groove 31 is all along the 3 opening direction settings of steel carton and crate body, the degree of depth of wedge shape guide groove 31 is inwardly progressively successively decreased from opening, formation is no more than the tapering of 5 degree, and the two ends up and down of wedge 6 embed respectively wedge shape guide groove 31 and backing plate guide groove 42.Wedge 6 comprises side plate 61 and floor 62, and floor 62 is horizontally disposed with, and side plate 61 end face ecto-entads are formed slopely the tapering identical with the wedge shape guide groove 31 of steel carton and crate body 3 top board downsides.
When the precast wall body member was produced, upside prefabricated units reinforcing bar 1 was welded to connect with the steel carton and crate body top board 34 of steel carton and crate body 3, and is embedded in advance in upside prefabricated units 8, made steel box opening to the wallboard outside, kept steel box opening surface and R.C. wall board face level; Downside prefabricated units reinforcing bar 2 use die head threading machines are made thread 21 at the one end, and are embedded in advance in downside prefabricated units 7, make downside prefabricated units reinforcing bar 2 threaded sections expose outside the body of wall end face.
During on-the-spot the installation, the first installation of downside prefabricated units 7, after the 8 lifting contrapositions of upside prefabricated units, making downside prefabricated units reinforcing bar 2 pass steel carton and crate body base plate perforate 32 corresponding to upside prefabricated units 8 bottoms, to enter steel carton and crate body inner.After the horizontal level of upside prefabricated units 8 and verticality etc. are proofreaied and correct, backing plate 4 cover is inserted downside prefabricated units reinforcing bar 2 tops in steel carton and crate body, screw nut 5, take backing plate guide groove 42 as guiding, take the wedge shape guide groove of steel carton and crate body top board as the top pressure surface, squeeze into wedge 6, make the end face compression of floor 62 with the nut 5 of wedge 6.Gap between prefabricated units is closely knit with the cement paste cementation of fissures, and the steel box is interior with pea gravel concreten or mortar packing.
Claims (2)
1. prefabrication and assembly construction wall body construction vertical reinforcement syndeton, it is characterized in that, this steel bar connecting structure is included in the steel carton and crate body (3) that one side is provided with opening, be fixedly connected on the upside prefabricated units reinforcing bar (1) of described steel carton and crate body (3) top board, penetrate the downside prefabricated units reinforcing bar (2) of box house from the perforate (32) of steel carton and crate body (3) base plate, be arranged on inner backing plate (4) and the nut (5) that also is enclosed within successively from bottom to up on downside prefabricated units reinforcing bar (2) of steel carton and crate body (3), and two wedges (6) that are symmetricly set on downside prefabricated units reinforcing bar (2) both sides,
Be provided with reinforcement installation hole (41) in described backing plate (4) and be positioned at two the backing plate guide grooves (42) that be arranged in parallel of both sides, described reinforcement installation hole (41), backing plate (4) is arranged on by reinforcement installation hole (41) and is positioned on the inner one section downside prefabricated units reinforcing bar (2) of steel carton and crate body (3);
The downside of steel carton and crate body (3) top board is arranged with two wedge shape guide grooves (31) in parallel, the guide groove direction of described backing plate guide groove (42) and wedge shape guide groove (31) is all along steel carton and crate body (3) opening direction setting, the degree of depth of wedge shape guide groove (31) is inwardly progressively successively decreased from opening, formation is no more than the tapering of 5 degree, and the two ends up and down of wedge (6) embed respectively in wedge shape guide groove (31) and backing plate guide groove (42).
2. prefabrication and assembly construction wall body construction vertical reinforcement syndeton according to claim 1, it is characterized in that, described wedge (6) comprises side plate (61) and is horizontally set on the floor (62) at described side plate (61) middle part, and side plate (61) end face ecto-entad is formed slopely the tapering that the wedge shape guide groove (31) with steel carton and crate body (3) top board downside is complementary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310054187.9A CN103132656B (en) | 2013-02-19 | 2013-02-19 | Connecting structure for vertical reinforcement bars of prefabricated wall parts |
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| CN201310054187.9A CN103132656B (en) | 2013-02-19 | 2013-02-19 | Connecting structure for vertical reinforcement bars of prefabricated wall parts |
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| CN103132656A true CN103132656A (en) | 2013-06-05 |
| CN103132656B CN103132656B (en) | 2015-05-06 |
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| CN201310054187.9A Expired - Fee Related CN103132656B (en) | 2013-02-19 | 2013-02-19 | Connecting structure for vertical reinforcement bars of prefabricated wall parts |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155781A (en) * | 2015-09-09 | 2015-12-16 | 北京建筑大学 | Reinforced connecting structure and method between precast reinforced concrete components |
| CN106284852A (en) * | 2016-10-13 | 2017-01-04 | 哈尔滨工业大学 | A kind of reinforcing bar connector of plane position adjustable |
| CN106638981A (en) * | 2016-11-22 | 2017-05-10 | 湖南远大工程设计有限公司 | Steel bar connection structure of prefabricated parts |
| CN107254912A (en) * | 2017-07-11 | 2017-10-17 | 应义淼 | A kind of prefabricated concrete structure connection method |
| CN107338911A (en) * | 2016-11-22 | 2017-11-10 | 湖南远大工程设计有限公司 | Precast shear wall steel bar connecting joints |
| CN107338910A (en) * | 2016-11-22 | 2017-11-10 | 湖南远大工程设计有限公司 | Dry wall with bar connecting box |
| CN107338871A (en) * | 2016-11-22 | 2017-11-10 | 湖南远大工程设计有限公司 | Precast concrete box connection component |
| CN107366390A (en) * | 2017-07-11 | 2017-11-21 | 应义淼 | A kind of conversion connection method of reinforcing bar |
| CN108412132A (en) * | 2017-02-10 | 2018-08-17 | 李聪 | A kind of dual U-shaped is welded to connect button and attaching method thereof |
| CN110185153A (en) * | 2019-05-27 | 2019-08-30 | 广西建筑材料科学研究设计院有限公司 | A kind of prefabricated components reinforcing bar connection box device of levelling |
| CN110284658A (en) * | 2019-06-28 | 2019-09-27 | 王本淼 | A kind of production method for the pocket member connecting cavity floor cross rib reinforcing bar |
| CN110725479A (en) * | 2019-10-10 | 2020-01-24 | 东南大学 | Assembled steel bar connector |
| CN110984477A (en) * | 2019-06-28 | 2020-04-10 | 王海崴 | Straight groove-shaped component connected by assembly type construction steel bars |
| CN111075055A (en) * | 2019-12-17 | 2020-04-28 | 上海建工集团股份有限公司 | Use method of prefabricated assembly type shear wall steel threaded sleeve |
| CN111287555A (en) * | 2020-02-18 | 2020-06-16 | 中国水利水电第八工程局有限公司 | Prefabricated quickly-assembled enclosing wall structure and construction method |
| CN111321821A (en) * | 2020-02-28 | 2020-06-23 | 南京工程学院 | Adopt prefabricated shear force wall steel bar connection structure tied in a bundle of full assembled level seam |
| CN111535477A (en) * | 2020-05-22 | 2020-08-14 | 四川江龙建筑工程有限公司 | PC (polycarbonate) component for assembly type building and construction method thereof |
| CN112659357A (en) * | 2021-01-25 | 2021-04-16 | 中国建筑第七工程局有限公司 | Steel bar connecting structure of prefabricated part and construction method thereof |
| CN115288368A (en) * | 2022-08-31 | 2022-11-04 | 华北水利水电大学 | Mixed structure steel bar connecting node and using method thereof |
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| CN1526903A (en) * | 2003-03-07 | 2004-09-08 | �宏道 | Wedged connecting rod joint |
| CN2883558Y (en) * | 2005-09-01 | 2007-03-28 | 赵海生 | Reusable reinforced bar connector |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155781A (en) * | 2015-09-09 | 2015-12-16 | 北京建筑大学 | Reinforced connecting structure and method between precast reinforced concrete components |
| CN106284852A (en) * | 2016-10-13 | 2017-01-04 | 哈尔滨工业大学 | A kind of reinforcing bar connector of plane position adjustable |
| CN106638981A (en) * | 2016-11-22 | 2017-05-10 | 湖南远大工程设计有限公司 | Steel bar connection structure of prefabricated parts |
| CN107338911A (en) * | 2016-11-22 | 2017-11-10 | 湖南远大工程设计有限公司 | Precast shear wall steel bar connecting joints |
| CN107338910A (en) * | 2016-11-22 | 2017-11-10 | 湖南远大工程设计有限公司 | Dry wall with bar connecting box |
| CN107338871A (en) * | 2016-11-22 | 2017-11-10 | 湖南远大工程设计有限公司 | Precast concrete box connection component |
| CN108412132A (en) * | 2017-02-10 | 2018-08-17 | 李聪 | A kind of dual U-shaped is welded to connect button and attaching method thereof |
| CN107254912A (en) * | 2017-07-11 | 2017-10-17 | 应义淼 | A kind of prefabricated concrete structure connection method |
| CN107366390A (en) * | 2017-07-11 | 2017-11-21 | 应义淼 | A kind of conversion connection method of reinforcing bar |
| CN110185153A (en) * | 2019-05-27 | 2019-08-30 | 广西建筑材料科学研究设计院有限公司 | A kind of prefabricated components reinforcing bar connection box device of levelling |
| CN110185153B (en) * | 2019-05-27 | 2024-05-31 | 广西建筑材料科学研究设计院有限公司 | Prefabricated component steel bar connection box device capable of leveling |
| CN110984477A (en) * | 2019-06-28 | 2020-04-10 | 王海崴 | Straight groove-shaped component connected by assembly type construction steel bars |
| CN110984478A (en) * | 2019-06-28 | 2020-04-10 | 王海崴 | Straight groove-shaped component connected by assembly type construction steel bars |
| CN110984475A (en) * | 2019-06-28 | 2020-04-10 | 王海崴 | Straight groove-shaped component connected by assembly type construction steel bars |
| CN110284658A (en) * | 2019-06-28 | 2019-09-27 | 王本淼 | A kind of production method for the pocket member connecting cavity floor cross rib reinforcing bar |
| CN110725479A (en) * | 2019-10-10 | 2020-01-24 | 东南大学 | Assembled steel bar connector |
| CN110725479B (en) * | 2019-10-10 | 2021-04-06 | 东南大学 | Assembled steel bar connector |
| CN111075055A (en) * | 2019-12-17 | 2020-04-28 | 上海建工集团股份有限公司 | Use method of prefabricated assembly type shear wall steel threaded sleeve |
| CN111287555A (en) * | 2020-02-18 | 2020-06-16 | 中国水利水电第八工程局有限公司 | Prefabricated quickly-assembled enclosing wall structure and construction method |
| CN111321821A (en) * | 2020-02-28 | 2020-06-23 | 南京工程学院 | Adopt prefabricated shear force wall steel bar connection structure tied in a bundle of full assembled level seam |
| CN111535477A (en) * | 2020-05-22 | 2020-08-14 | 四川江龙建筑工程有限公司 | PC (polycarbonate) component for assembly type building and construction method thereof |
| CN111535477B (en) * | 2020-05-22 | 2021-10-15 | 四川江龙建筑工程有限公司 | PC (polycarbonate) component for assembly type building and construction method thereof |
| CN112659357A (en) * | 2021-01-25 | 2021-04-16 | 中国建筑第七工程局有限公司 | Steel bar connecting structure of prefabricated part and construction method thereof |
| CN115288368A (en) * | 2022-08-31 | 2022-11-04 | 华北水利水电大学 | Mixed structure steel bar connecting node and using method thereof |
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