CN103132656B - Connecting structure for vertical reinforcement bars of prefabricated wall parts - Google Patents

Connecting structure for vertical reinforcement bars of prefabricated wall parts Download PDF

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Publication number
CN103132656B
CN103132656B CN201310054187.9A CN201310054187A CN103132656B CN 103132656 B CN103132656 B CN 103132656B CN 201310054187 A CN201310054187 A CN 201310054187A CN 103132656 B CN103132656 B CN 103132656B
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China
Prior art keywords
steel
crate
wedge
reinforcing bar
guide groove
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CN201310054187.9A
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Chinese (zh)
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CN103132656A (en
Inventor
武雷
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东南大学
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Priority to CN201310054187.9A priority Critical patent/CN103132656B/en
Publication of CN103132656A publication Critical patent/CN103132656A/en
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Publication of CN103132656B publication Critical patent/CN103132656B/en

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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

A kind of prefabrication and assembly construction wall body construction Vertical bar connection structure
Technical field
The invention belongs to civil engineering work technical field, relate to a kind of for Vertical bar connection steel bar connecting structure between prefabrication and assembly construction wall body construction.
Background technology
Traditional field operation mode of production is changed the mode of production for back court manufactures by precast reinforced concrete construction building, is the important feature form of China's industrialization of construction industry transition.The precast reinforced concrete construction at the scene groundwork of operation carries out the connection between precast reinforced concrete structure, and the connected mode adopted at present can be summed up as the connection between concrete and the connection between reinforcing bar.Bar connecting between precast and assembled reinforced concrete wall body construction is different from the general bar connecting in cast-in-situ steel reinforced concrete, it is the bar connecting carried out under reinforcing bar to be connected has completed the prerequisite of concreting all, and it requires to connect not only reliably but also more emphasizes fast with convenient.
Bar connecting between current precast and assembled reinforced concrete component adopts the indirect overlap joint connection of joint bar grouting of boxing out usually, grout sleeve connects.Screw shell mechanical connection conventional in monolithic reinforced concrete structure, due to very strict to the reinforcement fabrication position deviation restriction needing to connect, slightly deviation then cannot connect, and also need when connecting more reinforcing bar synchronously to carry out, contraposition between component and in place very inconvenient, thus rarely applies.
It is stay apertured road on prefabricated units that the indirect overlap joint of joint bar of boxing out grouting connects, another corresponding prefabricated units leave joint bar, joint bar carries out duct grouting again after inserting duct and is connected with concrete by reinforcing bar, its power transmission principle is that adjacent reinforcing bar overlaps mutually, and realizes reinforcing bar pressure transmission formation bar connecting by the concrete Shear transfer in gap.The indirect overlap joint of joint bar of boxing out grouting connects the bar diameter staying the duct of establishing comparatively to insert and goes out greatly many, thus allows the reinforcing bar of insertion to have appropriate position deviation, and this just facilitates contraposition between component and in place.The open defect that indirect overlap joint connects is steel bar force transfer decentraction, thus in order to obtain the concentric connection of power transmission, having allowed again appropriate reinforcement location deviation to facilitate component contraposition and in place simultaneously, having occurred grout sleeve link technique.It is that reinforcing bar is stretched into steel bushing that grout sleeve connects, carry out be in the milk (filling medium) in sleeve again, be about by steel bushing the Shear transfer ability that media implementation in bundled tube improves medium, thus reduce reinforcing bar anchor into length, and realize the bar connecting of power transmission relatively with one heart.Grout sleeve connects all has higher technical requirements to the medium of sleeve and filling, and current cost is also higher.No matter that overlap joint connects or grout sleeve connects indirectly, due to component in place after also need to be in the milk, before grouting reaches desirable strength, reinforcing bar can not load, and thus they all belong to non-instant and connect.
Summary of the invention
Technical problem: the present invention solves the bar connecting between assembled steel reinforced concrete wall component, provide a kind of fast, the bar connecting of instant, high-efficiency and economic.
Technical scheme: prefabrication and assembly construction wall body construction Vertical bar connection structure of the present invention, be included in one side be provided with opening steel carton and crate body, be fixedly connected on described steel box roof box upside prefabricated units reinforcing bar, penetrate from the perforate of steel box tank floor steel box box house downside prefabricated units reinforcing bar, be arranged on steel box box house and the backing plate be enclosed within successively from bottom to up the prefabricated units reinforcing bar of downside and nut, and be symmetricly set on two wedges of prefabricated units reinforcing bar both sides, downside; Be provided with reinforcement installation hole in backing plate and be positioned at be arranged in parallel two backing plate guide grooves of both sides, described reinforcement installation hole, backing plate be arranged on by reinforcement installation hole be positioned at steel box box house one section of downside prefabricated units reinforcing bar on; The downside of steel box roof box 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 is all arranged along steel carton and crate body opening direction, the degree of depth of wedge shape guide groove is inwardly progressively successively decreased from opening, form the tapering being no more than 5 degree, the two ends up and down of wedge embed in wedge shape guide groove and backing plate guide groove respectively.
In the present invention, wedge comprises side plate and is horizontally set on floor in the middle part of side plate, side plate end face ecto-entad be formed slopely with steel box roof box on the downside of the tapering that matches of wedge shape guide groove.
Beneficial effect: the present invention compared with prior art, has the following advantages:
1, possess the regulating error ability of three-dimensional, install quick and convenient.Bar connecting between current precast and assembled reinforced concrete component adopts the indirect overlap joint connection, grout sleeve connection, screw shell mechanical connection etc. of joint bar grouting of boxing out usually.In this three classes connected mode, the indirect overlap joint connection of joint bar of boxing out grouting requires minimum to reinforcement location and length variation, is secondly that grout sleeve connects, and is finally screw shell mechanical connection.It is relatively easy that this makes to apply contraposition process between the indirect prefabricated units overlapping connected mode, thus connection speed is fast, but the length that its shortcoming is connection decentraction, reinforcing bar overlaps indirectly is longer, connects and just can complete after needing grouting to reach intensity, is not that instantaneity connects.Steel bar connecting structure of the present invention is by arranging steel box, and the top of steel box is connected with the reinforcing bar in component, other end preformed hole, and reinforcing bar to be connected through entering steel box after preformed hole, then connects reinforcing bar by nut and the mode of squeezing into wedge in steel box.Be greater than due to preformed hole the bar diameter that penetrates and leave suitable gap, this makes the contraposition fast and easy between prefabricated units, the mode that the deviation in component connecting length direction regulates by nut is in addition compensated in steel box, finally squeezes into tension that previously passed nut mode realizes by wedge and connects and transfer tension and compression to and connect.
2, connection has instantaneity.After bar connecting of the present invention completes, reinforcing bar load needs can be met, connect and grout sleeve connection relative to the indirect overlap joint of joint bar grouting of boxing out, eliminate prefabricated units and connect the interim stabilization reinforcement measure effectively, simplify activities.
3, make simply, good economy performance.The stress check calculation that the present invention adopts steel box to carry out between reinforcing bar, realizes the mechanical connection of reinforcing bar, and unitary construction is succinct, and make simple, overall economic efficiency is obvious.
A kind of prefabrication and assembly construction wall body construction Vertical bar connection structure provided by the invention, by arranging steel box, reinforcing bar to be connected is carried out screw thread mechanical connection in steel carton and crate body, overcoming screw shell connects owing to requiring that to the position deviation of reinforcing bar strict, many bar connecting need synchronous, and the component contraposition difficulty in place caused, inconvenience is installed; And indirectly overlap joint connects and though grout sleeve connects and solves contraposition problem in place, connects and has non-instant, period reinforcing bar can not load, component needs stronger interim robust structure to carry out the deficiency of auxiliary load.Achieve prefabricated units bar connecting that is quick, instant, high-efficiency and economic.
Accompanying drawing explanation
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 bar, and 3 is steel carton and crate body, and 4 is backing plate, 5 is nut, and 6 is wedge, and 7 is downside prefabricated units, 8 is upside prefabricated units, and 21 is thread, and 31 is wedge shape guide groove, 32 is perforate, and 33 is steel box box bottom, and 34 is steel box roof box, 35 is steel box box side, and 36 is steel carton and crate body backboard, and 41 is reinforcement installation hole, 42 is backing plate guide groove, and 61 is side plate, and 62 is floor.
Detailed description of the invention
Prefabrication and assembly construction wall body construction Vertical bar connection structure of the present invention, be included in one side be provided with opening steel carton and crate body 3, be fixedly connected on described steel carton and crate body 3 top board upside prefabricated units reinforcing bar 1, penetrate from the perforate 32 of steel carton and crate body 3 base plate box house downside prefabricated units reinforcing bar 2, be arranged on steel carton and crate body 3 inner and the backing plate 4 be enclosed within successively from bottom to up downside prefabricated units reinforcing bar 2 and nut 5, and be symmetricly set on two wedges 6 of prefabricated units reinforcing bar 2 both sides, downside.
Be provided with reinforcement installation hole 41 in backing plate 4 and be positioned at be arranged in parallel two backing plate guide grooves 42 of both sides, described reinforcement installation hole 41, backing plate 4 be arranged on by reinforcement installation hole 41 be positioned at steel carton and crate body 3 inside one section of downside prefabricated units reinforcing bar 2 on.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 backing plate guide groove 42 and wedge shape guide groove 31 is all arranged along steel carton and crate body 3 opening direction, the degree of depth of wedge shape guide groove 31 is inwardly progressively successively decreased from opening, form the tapering being no more than 5 degree, the two ends up and down of wedge 6 embed wedge shape guide groove 31 and backing plate guide groove 42 respectively.Wedge 6 comprises side plate 61 and floor 62, and floor 62 is horizontally disposed with, and side plate 61 end face ecto-entad is formed slopely the tapering identical with the wedge shape guide groove 31 on the downside of steel carton and crate body 3 top board.
When precast wall body component is produced, upside prefabricated units reinforcing bar 1 is welded to connect with the steel box roof box 34 of steel carton and crate body 3, and is embedded in advance in the prefabricated units 8 of upside, makes steel box opening outside wallboard, keeps steel box opening surface and R.C. wall board face level; Downside prefabricated units reinforcing bar 2 die head threading machine makes thread 21 in its one end, and is embedded in advance in the prefabricated units 7 of downside, makes downside prefabricated units reinforcing bar 2 threaded section expose outside body of wall end face.
During in-site installation, the first installation of downside prefabricated units 7, after upside prefabricated units 8 lift contraposition, makes downside prefabricated units reinforcing bar 2 enter steel box box house through the steel box box bottom perforate 32 that upside prefabricated units 8 bottom is corresponding.After the horizontal level and verticality etc. of upside prefabricated units 8 are corrected, in steel carton and crate body, backing plate 4 is overlapped and insert prefabricated units reinforcing bar 2 top, downside, tightening nut 5, with backing plate guide groove 42 for guiding, with the wedge shape guide groove of steel box roof box for top pressure surface, squeeze into wedge 6, the floor 62 of wedge 6 is compressed with the end face of nut 5.The gap cement paste cementation of fissures between prefabricated units is closely knit, the interior pea gravel concreten of steel box or mortar packing.

Claims (2)

1. a prefabrication and assembly construction wall body construction Vertical bar connection structure, 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 upside prefabricated units reinforcing bar (1) of described steel carton and crate body (3) top board, downside prefabricated units reinforcing bar (2) of box house is penetrated from the perforate (32) of steel carton and crate body (3) base plate, be arranged on steel carton and crate body (3) inside and the backing plate (4) be enclosed within successively from bottom to up on downside prefabricated units reinforcing bar (2) and nut (5), and be symmetricly set on two wedges (6) of prefabricated units reinforcing bar (2) both sides, downside,
Be provided with reinforcement installation hole (41) in described backing plate (4) and be positioned at be arranged in parallel two backing plate guide grooves (42) of described reinforcement installation hole (41) both sides, backing plate (4) is arranged on by reinforcement installation hole (41) and is positioned on one section of inner 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 arranged along steel carton and crate body (3) opening direction, the degree of depth of wedge shape guide groove (31) is inwardly progressively successively decreased from opening, form the tapering being no more than 5 degree, the two ends up and down of wedge (6) embed in wedge shape guide groove (31) and backing plate guide groove (42) respectively.
2. prefabrication and assembly construction wall body construction Vertical bar connection structure 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, side plate (61) end face ecto-entad be formed slopely with steel carton and crate body (3) top board on the downside of the tapering that matches of wedge shape guide groove (31).
CN201310054187.9A 2013-02-19 2013-02-19 Connecting structure for vertical reinforcement bars of prefabricated wall parts CN103132656B (en)

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
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
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
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
CN110984475A (en) * 2019-06-28 2020-04-10 王海崴 Straight groove-shaped component connected by assembly type construction steel bars
CN110725479A (en) * 2019-10-10 2020-01-24 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
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

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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
CN201746981U (en) * 2010-07-28 2011-02-16 中国京冶工程技术有限公司 Reinforced bar connecting structure between prefabricated reinforced bar concrete components
CN102051964A (en) * 2010-10-27 2011-05-11 管乃彦 Composite sleeve type steel bar connecting device
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