CN103590541A - Grout sleeve for connecting prefabricated member steel bars and construction method of grout sleeve - Google Patents

Grout sleeve for connecting prefabricated member steel bars and construction method of grout sleeve Download PDF

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Publication number
CN103590541A
CN103590541A CN201310486758.6A CN201310486758A CN103590541A CN 103590541 A CN103590541 A CN 103590541A CN 201310486758 A CN201310486758 A CN 201310486758A CN 103590541 A CN103590541 A CN 103590541A
Authority
CN
China
Prior art keywords
sleeve
prefabricated
grout
bolt
steel bar
Prior art date
Application number
CN201310486758.6A
Other languages
Chinese (zh)
Inventor
谷凡
赵唯坚
刘明
吴陶高
Original Assignee
沈阳建筑大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 沈阳建筑大学 filed Critical 沈阳建筑大学
Priority to CN201310486758.6A priority Critical patent/CN103590541A/en
Publication of CN103590541A publication Critical patent/CN103590541A/en

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Abstract

The invention discloses a grout sleeve for connecting prefabricated member steel bars and a construction method of the grout sleeve, relating to the technical field of precast concrete members. The grout sleeve is used for solving the connection problem of prefabricated member steel bars and has the advantages of simplicity in construction, low cost, high strength and reliability in connection. The grout sleeve comprises a sleeve body, sealing rings and a set bolt, wherein the sleeve body is provided with a grout hole and a vent hole; the set bolt is arranged in the middle of the sleeve body; massive bulges are arranged on the inner wall of the sleeve body; the sealing rings are arranged at two ends in the sleeve body. When a prefabricated member is assembled, two reserved steel bars of the prefabricated member are inserted from two ends of the sleeve body, are fixed by the set bolt and squeeze into the elastic sealing rubber rings, then, a cement-based grouting material is filled from the grout hole, and the two reserved steel bars are connected to form a whole body through the sleeve. The grout sleeve can be used for connecting various prefabricated member steel bars.

Description

Connection grout sleeve and the job practices thereof of prefabricated member reinforcing steel bar
Technical field
The present invention relates to concrete prefabricated element technical field, exactly it is a kind of connection grout sleeve and job practices thereof of prefabricated member reinforcing steel bar.
Background technology
In traditional cast-in-place concrete structure, the connection of reinforcing bar adopts overlap joint to connect, be welded to connect or the method such as compression sleeve mechanical connection more, its work progress is comparatively complicated, and the quality of connection of reinforcing bar is also difficult to guarantee, and must before concreting, completes the connection of reinforcing bar.Key issue is: the reinforcing bar that the connected mode of this reinforcing bar can not be applicable to prefabricated member connects.
Summary of the invention
The object of the invention is exactly that a kind of connection grout sleeve and job practices thereof of prefabricated member reinforcing steel bar are provided for the connection of prefabricated member reinforcing steel bar, and it has, and construction is simple, the feature of dependable performance.
The object of the present invention is achieved like this.Prefabricated member reinforcing steel bar connects grout sleeve and comprises: sleeve body, elastic packing rubber ring and set bolt.It is characterized in that: the two ends of sleeve body are provided with grout hole and steam vent, grout hole and steam vent inwall are provided with screw thread, and in sleeve body, elastic packing rubber ring is equipped with at two ends, and the centre of sleeve body is provided with caging bolt, and sleeve body inwall is provided with block-shaped protrusion.
The job practices that prefabricated member reinforcing steel bar grout sleeve connects, it is characterized in that: prefabricated member is after produce in factory moulding, its reserved steel bar can insert in sleeve body temporarily completely, and fix with set bolt, during assembling construction, unclamp set bolt, take off sleeve body, first two elastic packing rubber rings are enclosed within respectively to reserved steel bar and upper, the reserved steel bar of two prefabricated members and inserting from the two ends of sleeve body 1, location, sleeve body is moved to reinforcing bar junction, be adjusted to the projected depth of two coaxial reinforcing bars, be screwed into set bolt, clamp-on elastic packing rubber ring, grouting lance is connected with grout hole by screw thread, pour into strength cement-based grouting material, after grouting material setting and harden, reserved steel bar and reserved steel bar are connected in one by sleeve.According to Specific construction environment, the function of grout hole and steam vent can be exchanged, as grout hole, as steam vent.
Advantage of the present invention is: thoroughly solved the connectivity problem of prefabricated member reinforcing steel bar, construction is simple, work progress does not need complicated plant equipment and facility, with low cost, intensity is high, connection is reliable.The grout hole arranging on sleeve body and steam vent, can be when pouring into strength cement-based grouting material, and the air in sleeve body is from the smooth and easy eliminating of steam vent.The block-like protrusions of sleeve body inwall, can make strength cement-based grouting material and reinforcing bar, union body firmly combine, the elastic packing rubber ring at sleeve body two ends has avoided grouting material from sleeve body two ends, to flow out before setting and harden completely, caging bolt can guarantee the correct design attitude of both sides reinforcing bar, can obtain again reliable connection effect.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is that A-A of the present invention is to sectional drawing.
The specific embodiment
Embodiment 1:
Sleeve body 1 of the present invention can be cast and make, and is the smooth demoulding, and the middle part wall thickness of sleeve body 1 can be greater than two ends, so also more meets the regularity of distribution that sleeve body middle part internal force is large, two ends internal force is little.The independent cube of block-shaped protrusion 6 that sleeve lining arranges, guarantees the bond effect between reinforcing bar 7 and 8, grouting material and sleeve body 1, after grouting material setting and harden, two reserved steel bars is connected in one by sleeve.The external diameter of the elastic rubber sealing ring 2 at sleeve body 1 two ends is greater than the internal diameter of sleeve body 1, and it is smaller that the internal diameter of elastic rubber sealing ring 2 is less than the external diameter of reinforcing bar 7 and 8, to guarantee sealing effectiveness.Set bolt 3 can be arranged on the middle part of sleeve body 1.The grout hole 4 at sleeve body 1 two ends and the function of steam vent 5 can be exchanged, that is: 5 as grout hole, and 4 as steam vent, thus inwall all should be threaded, for being connected with grouting lance.
Embodiment 2:
Job practices of the present invention is as follows.Prefabricated member is after produce in factory moulding, reserved steel bar 7 can insert in sleeve body 1 temporarily completely, and fixing with set bolt 3, to avoid sleeve, lose, during assembling construction, unclamp set bolt 3, take off sleeve body 1, first two elastic packing rubber rings 2 are enclosed within respectively on reserved steel bar 7 and 8, insert at the reserved steel bar 7 of two prefabricated members and 8 two ends from sleeve body 1, lifting location, sleeve body 1 is moved to reinforcing bar junction, be adjusted to the projected depth of two coaxial reinforcing bars, be screwed into set bolt 3 fixing, clamp-on elastic packing rubber ring 2, grouting lance is connected with grout hole 4 by screw thread, pour into strength cement-based grouting material, during grouting, steam vent 5 is unimpeded, to guarantee the air in sleeve body 1 chamber, discharge smoothly, strength cement-based grouting material is closely knit.After grouting material setting and harden, reserved steel bar 7 and reserved steel bar 8 can be connected in one by sleeve.According to Specific construction environment, the function of grout hole 4 and steam vent 5 can be exchanged, that is: 5 as grout hole, and 4 as steam vent.

Claims (3)

1. the connection grout sleeve of prefabricated member reinforcing steel bar, it comprises: sleeve body (1), elastic packing rubber ring (2) and set bolt (3), it is characterized in that: the two ends of sleeve body (1) are provided with grout hole (4) and steam vent (5), elastic packing rubber ring (2) is equipped with at the interior two ends of sleeve body (1), the centre of sleeve body (1) is provided with set bolt (3), and sleeve body (1) inwall is provided with block-shaped protrusion (6).
2. connection grout sleeve and the job practices thereof of prefabricated member reinforcing steel bar according to claim 1, is characterized in that: grout hole (4) and steam vent (5) inwall are provided with screw thread.
3. the job practices of the connection grout sleeve of a prefabricated member reinforcing steel bar as claimed in claim 1, it is characterized in that: prefabricated member is after produce in factory moulding, reserved steel bar (7) is inserted to sleeve body (1) completely, and fixing with positioning bolt (3), during assembling construction, unclamp set bolt (3), take off sleeve body (1), two elastic packing rubber rings (2) are enclosed within respectively on two reserved steel bars (7) and (8), insert from the two ends of sleeve body (1) reserved steel bar of two prefabricated members (7) and (8), lifting location, sleeve body (1) is moved to reinforcing bar junction, be screwed into set bolt (3) fixing, clamp-on elastic packing rubber ring (2), grouting lance is connected with grout hole (4) by screw thread, pour into strength cement-based grouting material.
CN201310486758.6A 2013-10-17 2013-10-17 Grout sleeve for connecting prefabricated member steel bars and construction method of grout sleeve CN103590541A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310486758.6A CN103590541A (en) 2013-10-17 2013-10-17 Grout sleeve for connecting prefabricated member steel bars and construction method of grout sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310486758.6A CN103590541A (en) 2013-10-17 2013-10-17 Grout sleeve for connecting prefabricated member steel bars and construction method of grout sleeve

Publications (1)

Publication Number Publication Date
CN103590541A true CN103590541A (en) 2014-02-19

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CN201310486758.6A CN103590541A (en) 2013-10-17 2013-10-17 Grout sleeve for connecting prefabricated member steel bars and construction method of grout sleeve

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103556786A (en) * 2013-10-18 2014-02-05 沈阳建筑大学 Connecting and grouting sleeve for assembled prefabricated member steel bars and construction method thereof
CN105587075A (en) * 2016-02-29 2016-05-18 北京工业大学 Buckling constraint structure for longitudinal steel bar in plastic-hinge region of reinforced concrete member
CN109235780A (en) * 2018-10-22 2019-01-18 北京工业大学 A kind of half grouting connection sleeve suitable for highly seismic region and its apply method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87104226A (en) * 1986-06-26 1988-02-24 门田正 Splice sleeve for reinforcing bars
CN1169172A (en) * 1995-11-22 1997-12-31 东京铁钢株式会社 Mortar-filled reinforcing joint
CN201217890Y (en) * 2008-06-05 2009-04-08 黑龙江宇辉新型建筑材料有限公司 Nested grouting reinforced steel coupling sleeve
CN201704879U (en) * 2010-01-26 2011-01-12 北京市建筑工程研究院 Flask-shaped grouting rebar connecting sleeve
CN102071776A (en) * 2009-11-23 2011-05-25 黑龙江宇辉新型建筑材料有限公司 Precast grouted steel bar connecting sleeve and construction method thereof
CN204001431U (en) * 2013-10-18 2014-12-10 沈阳建筑大学 The connection grout sleeve of prefabricated member reinforcing steel bar

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87104226A (en) * 1986-06-26 1988-02-24 门田正 Splice sleeve for reinforcing bars
CN1169172A (en) * 1995-11-22 1997-12-31 东京铁钢株式会社 Mortar-filled reinforcing joint
CN201217890Y (en) * 2008-06-05 2009-04-08 黑龙江宇辉新型建筑材料有限公司 Nested grouting reinforced steel coupling sleeve
CN102071776A (en) * 2009-11-23 2011-05-25 黑龙江宇辉新型建筑材料有限公司 Precast grouted steel bar connecting sleeve and construction method thereof
CN201704879U (en) * 2010-01-26 2011-01-12 北京市建筑工程研究院 Flask-shaped grouting rebar connecting sleeve
CN204001431U (en) * 2013-10-18 2014-12-10 沈阳建筑大学 The connection grout sleeve of prefabricated member reinforcing steel bar

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103556786A (en) * 2013-10-18 2014-02-05 沈阳建筑大学 Connecting and grouting sleeve for assembled prefabricated member steel bars and construction method thereof
CN105587075A (en) * 2016-02-29 2016-05-18 北京工业大学 Buckling constraint structure for longitudinal steel bar in plastic-hinge region of reinforced concrete member
CN109235780A (en) * 2018-10-22 2019-01-18 北京工业大学 A kind of half grouting connection sleeve suitable for highly seismic region and its apply method

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Application publication date: 20140219