CN101818478A - Connection structure for concrete-filled circular steel tubular pier column and concrete cover beam - Google Patents

Connection structure for concrete-filled circular steel tubular pier column and concrete cover beam Download PDF

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Publication number
CN101818478A
CN101818478A CN 201010120563 CN201010120563A CN101818478A CN 101818478 A CN101818478 A CN 101818478A CN 201010120563 CN201010120563 CN 201010120563 CN 201010120563 A CN201010120563 A CN 201010120563A CN 101818478 A CN101818478 A CN 101818478A
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China
Prior art keywords
concrete
steel
pier stud
plate
steel tube
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CN 201010120563
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Chinese (zh)
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CN101818478B (en
Inventor
吉伯海
傅中秋
董亚东
莫海峰
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Hohai University HHU
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Hohai University HHU
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Abstract

The invention discloses a connection structure for a concrete-filled circular steel tubular pier column and a concrete cover beam. The connection structure comprises a reverse T-shaped steel beam, the concrete cover beam and the concrete-filled circular steel tubular pier column, wherein the reverse T-shaped steel beam is pre-buried at the lower end of the concrete cover beam. The connection structure is characterized by also comprising a steel tubular cover plate and a riveting rib with a nut, wherein the steel tubular cover plate is welded with the upper end of the concrete-filled circular steel tubular pier column; the hole on the web plate of the reverse T-shaped steel beam is connected with the concrete; a flange plate of the T-shaped steel beam is fixedly connected with the steel tubular cover plate through the riveting rib with the nut; and the two ends of the riveting rib with the nut are embedded in the concrete cover beam and the concrete-filled circular steel tubular pier column. The connection structure needs no complex arrangement of reinforcement, and each component can be processed in the factory and assembled on site. Only welding of a triangular supporting steel plate and the steel tubular cover plate is needed on site so as to ensure small workload and definite force transferring path. The connection structure has the advantages of simple and quick construction during the implementation.

Description

The syndeton of concrete filled steel tube pier stud and concrete bent cap
Technical field
The present invention relates to the connection of bridge pier structure in the bridge engineering, specifically is the concrete filled steel tube pier stud and being connected of concrete bent cap.
Background technology
The concrete pier sectional area is big, and the needed path space that takies is big, can't satisfy busy day by day urban traffic demand.And steel bridge pier steel using amount is bigger than normal, the cost height.Concrete filled steel tube is in conjunction with steel and two kinds of materials of concrete advantage separately, and sectional area is little, cost is low, bearing capacity is high, ductility is good, and construction is a kind of more satisfactory bridge pier structure form without formwork.Concrete filled steel tube is used for the pier stud of Urban Bridge, and the bridge pier bent cap is still used steel concrete, promptly adapted to space and stressed needs, and cost can be controlled at reasonable range.
The relative square steel pipe concrete of concrete filled steel tube, steel pipe walls are more suitable for being applied in the pier stud of bridge to the effect of contraction better effects if of core concrete.But the round steel pipe surface is curved, and welding is inconvenient, and node connects handles complexity.So the concrete filled steel tube pier stud and concrete bent cap node connecting structure is easy, power transmission is clear and definite, safe and reliable particularly important.
Being connected the research report with the node of concrete beam about concrete-filled circular steel tube column at present, mainly is at the bean column node in the construction work.The stressed complexity of bridge pier node, the bean column node form in the construction work can not be applicable to the bridge pier node.Literature search shows also there is not the report about concrete filled steel tube pier stud and the design of concrete bent cap node connecting structure.
Summary of the invention
The present invention is the syndeton design of a kind of concrete filled steel tube pier stud and concrete bent cap, purpose is to improve the integral anti-shearing and the anti-bending bearing capacity of the bridge pier node of concrete filled steel tube-concrete combined structure, guarantees the co-operation of concrete filled steel tube pier stud and concrete bent cap.
The present invention is achieved by the following technical solutions:
The syndeton of a kind of concrete filled steel tube pier stud and concrete bent cap, comprise inverted T shape girder steel, concrete bent cap, the concrete filled steel tube pier stud, described inverted T shape girder steel is embedded in the lower end of concrete bent cap, it is characterized in that: the riveting muscle that also comprises steel pipe cover plate, band nut, the upper end welding of described steel pipe cover plate and concrete filled steel tube pier stud, described T-steel beam flange plate is fixedlyed connected with the steel pipe cover plate by the riveting muscle of described band nut.
The perforate of described T-steel web effectively is connected with the concrete bent cap.Be provided with the gusseted steel plate between the outer wall of steel pipe of described T-steel beam flange plate lower end and described concrete filled steel tube pier stud, gusseted steel plate and T-steel beam flange plate lower end and concrete filled steel tube pier stud outer wall are welded to connect, and guarantee the reliable delivery of power.
Described gusseted steel plate is six, and symmetry is the fan-shaped both sides that are distributed in the concrete filled steel tube pier stud.
The anchor pole two ends of the riveting muscle of described band nut are stretched into concrete bent cap and concrete filled steel tube pier stud inside respectively, play anchorage effect.
Advantage of the present invention:
The one, do not need complicated arrangement of reinforcement to arrange that each building block all can finish in factory process, assembled on site.On-the-spot welding gusseted steel plate and the steel pipe cover plate of only needing, the welding job amount is little.During enforcement, easy construction, quick.
The 2nd, structure stress is reasonable, and the power bang path is clear and definite.The inverted T shape beam can guarantee that longitudinal shear and moment of flexure are delivered to the pier stud end face effectively, and riveting muscle nut guarantees that the steel pipe cover plate is connected with the effective of inverted T shape beam, and the riveting muscle stretches into pier stud and the inner assurance of bent cap transverse bending moment effectively transmits.And the setting of steel pipe cover plate and gusseted steel plate makes top power be evenly distributed on the pier stud cross section, prevents the excessive and stress concentration phenomenon of local compression.
The 3rd, multiple connection measure and ensure node overall work can be selected flexibly according to the actual carrying capacity needs.The web perforate can guarantee that with rivet the coagulation earth mulch effectively is connected with the inverted T shape beam, and the bolt on gusseted steel plate and the riveting muscle guarantees that the inverted T shape beam effectively is connected with the concrete filled steel tube pier stud.The anchor pole of the muscle of riveting simultaneously stretches into the top and the bottom inside concrete, makes that concrete connects into integral body up and down.
Description of drawings
Fig. 1 syndeton elevation.
Fig. 2 syndeton plan view.
The specific embodiment
The composition of syndeton of the present invention is mainly by perforate web inverted T shape girder steel 1, rivet 2, and the riveting muscle 3 of band nut, gusseted steel plate 4, steel pipe cover plate 5, concrete bent cap 6, concrete filled steel tube pier stud 7 is formed.Its principal character is as follows: the one, by welding rivet 2 on the perforate web and the edge of a wing, can guarantee that concrete bent cap 6 effectively is connected with inverted T shape girder steel 1, and perforate layout and rivet arrangement are determined according to concrete requirement for bearing capacity.The 2nd, steel pipe cover plate 5 and 7 welding of concrete filled steel tube pier stud, riveting muscle 3 bolts by the band nut connect the steel pipe cover plate 5 and inverted T shape girder steel 1 edge of a wing, the riveting muscle stretches in the concrete of concrete filled steel tube pier stud 7 and in the concrete bent cap 6, riveting muscle 3 quantity and cover sheet thickness look steel tube concrete knoll size and concrete load bearing requirements is determined.The 3rd, three blocks of gusseted steel plates 4 of welding between the steel pipe walls of concrete filled steel tube pier stud 7 and inverted T shape girder steel 1 edge of a wing, be fan-shaped distribution, concentrate in the stress of steel pipe 7 contacts site to alleviate girder steel 1 edge of a wing, strengthen being connected of concrete filled steel tube pier stud 7 and inverted T shape girder steel 1 simultaneously, remedy the deficiency of the welding bearing capacity that might occur between steel pipe cover plate 5 and the concrete filled steel tube pier stud 7.
At first process perforate web inverted T shape beam 1, gusseted steel plate 4, steel pipe cover plate 5 in the factory, and on the inverted T shape beam, weld rivet 2, will be with the following nut and the steel pipe cover plate 5 of the riveting muscle 3 of nut to fix; Cast-in-site concrete filled steel tube pier stud 7, weldable steel cover plate 5 and concrete filled steel tube pier stud 7 connect inverted T shape beam 1 and steel pipe cover plate 5 with riveting muscle 3; Welding gusseted steel plate 4; The fluid concrete bent cap.

Claims (5)

1. the syndeton of concrete filled steel tube pier stud and concrete bent cap, comprise inverted T shape girder steel (1), concrete bent cap (6), concrete filled steel tube pier stud (7), described inverted T shape girder steel (1) is embedded in the lower end of concrete bent cap (6), it is characterized in that: the riveting muscle (3) that also comprises steel pipe cover plate (5), band nut, described steel pipe cover plate (5) welds with the upper end of concrete filled steel tube pier stud (7), and described T-steel beam (1) frange plate is fixedlyed connected with steel deck-plate (5) by the riveting muscle (3) of described band nut.
2. the syndeton of concrete filled steel tube pier stud according to claim 1 and concrete bent cap is characterized in that: be provided with gusseted steel plate (4) between the outer wall of steel pipe of described T-steel beam (1) frange plate lower end and described concrete filled steel tube pier stud (7).
3. the syndeton of concrete filled steel tube pier stud according to claim 2 and concrete bent cap is characterized in that: described gusseted steel plate (4) is six, and symmetry is the fan-shaped both sides that are distributed in concrete filled steel tube pier stud (7).
4. the syndeton of concrete filled steel tube pier stud according to claim 1 and concrete bent cap is characterized in that: the anchor pole two ends of the riveting muscle (3) of described band nut are stretched into concrete bent cap (6) and concrete filled steel tube pier stud (7) inside respectively.
5. the syndeton of concrete filled steel tube pier stud according to claim 1 and concrete bent cap is characterized in that: the web of described inverted T shape girder steel (1) is provided with the hole, welds rivet (2) on the frange plate of inverted T shape girder steel (1).
CN2010101205636A 2010-03-09 2010-03-09 Connection structure for concrete-filled circular steel tubular pier column and concrete cover beam Active CN101818478B (en)

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CN101818478B CN101818478B (en) 2012-07-25

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103147460A (en) * 2013-03-27 2013-06-12 郑州市大方实业有限公司 Integrated prefabricated pier and foundation structure
CN103452039A (en) * 2013-09-13 2013-12-18 上海市城市建设设计研究总院 Cast-in-situ inverted-T-shaped bent cap and pier and pier construction process
CN104404869A (en) * 2014-11-26 2015-03-11 天津港航工程有限公司 Pile column type concrete hollow pile pier structure
CN105803925A (en) * 2016-03-17 2016-07-27 浙江大学 Quick connection method for prefabricated steel pipe constraint type steel concrete pier columns and cover beam
CN105926427A (en) * 2016-04-28 2016-09-07 四川省交通运输厅公路规划勘察设计研究院 Pier and beam transitional connecting structure
CN106400678A (en) * 2016-11-10 2017-02-15 济南轨道交通集团有限公司 Prefabricated column, pier column structure and construction method
CN108374326A (en) * 2018-03-23 2018-08-07 浙江省交通规划设计研究院 A kind of combined rigid structure steel plate girder bridge pier consolidation construction
CN110374259A (en) * 2019-07-10 2019-10-25 江苏镇江路桥工程有限公司 A kind of joint strengthening type T-type beam reinforcement cages and its construction technology
CN111877142A (en) * 2020-07-16 2020-11-03 仲恺农业工程学院 Assembled bridge pier column structure

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002097609A (en) * 2000-09-26 2002-04-02 Ishikawajima Harima Heavy Ind Co Ltd Aseismatic reinforcing method for steel bridge pier
CN2507939Y (en) * 2001-09-25 2002-08-28 张骏华 Concrete member of prestressed steel pipe
CN1548654A (en) * 2003-05-12 2004-11-24 上海市政工程设计研究院 Wide pier with canopy beam
CN1560369A (en) * 2004-03-04 2005-01-05 河海大学 Connecting method for rigid joint of steel girdle and concrete bridge pier
JP2005030119A (en) * 2003-07-09 2005-02-03 East Japan Railway Co Stepped-down part aseismatic reinforcing structure of pier
CN1963105A (en) * 2006-12-08 2007-05-16 北京工业大学 Profiled steel and steel pipe concrete profiled pile and method for making same
CN101476348A (en) * 2008-12-22 2009-07-08 大庆石油学院 Steel pipe concrete segment type coat node and its construction method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002097609A (en) * 2000-09-26 2002-04-02 Ishikawajima Harima Heavy Ind Co Ltd Aseismatic reinforcing method for steel bridge pier
CN2507939Y (en) * 2001-09-25 2002-08-28 张骏华 Concrete member of prestressed steel pipe
CN1548654A (en) * 2003-05-12 2004-11-24 上海市政工程设计研究院 Wide pier with canopy beam
JP2005030119A (en) * 2003-07-09 2005-02-03 East Japan Railway Co Stepped-down part aseismatic reinforcing structure of pier
CN1560369A (en) * 2004-03-04 2005-01-05 河海大学 Connecting method for rigid joint of steel girdle and concrete bridge pier
CN1963105A (en) * 2006-12-08 2007-05-16 北京工业大学 Profiled steel and steel pipe concrete profiled pile and method for making same
CN101476348A (en) * 2008-12-22 2009-07-08 大庆石油学院 Steel pipe concrete segment type coat node and its construction method

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103147460A (en) * 2013-03-27 2013-06-12 郑州市大方实业有限公司 Integrated prefabricated pier and foundation structure
CN103452039A (en) * 2013-09-13 2013-12-18 上海市城市建设设计研究总院 Cast-in-situ inverted-T-shaped bent cap and pier and pier construction process
CN103452039B (en) * 2013-09-13 2015-12-16 上海市城市建设设计研究总院 Cast-in-situs type Inverted T beam and bridge pier and Bridge Pier Construction technique thereof
CN104404869A (en) * 2014-11-26 2015-03-11 天津港航工程有限公司 Pile column type concrete hollow pile pier structure
CN105803925A (en) * 2016-03-17 2016-07-27 浙江大学 Quick connection method for prefabricated steel pipe constraint type steel concrete pier columns and cover beam
CN105803925B (en) * 2016-03-17 2017-05-17 浙江大学 Quick connection method for prefabricated steel pipe constraint type steel concrete pier columns and cover beam
CN105926427A (en) * 2016-04-28 2016-09-07 四川省交通运输厅公路规划勘察设计研究院 Pier and beam transitional connecting structure
CN105926427B (en) * 2016-04-28 2018-06-19 四川省交通运输厅公路规划勘察设计研究院 Pier beam transition connecting construction
CN106400678A (en) * 2016-11-10 2017-02-15 济南轨道交通集团有限公司 Prefabricated column, pier column structure and construction method
CN108374326A (en) * 2018-03-23 2018-08-07 浙江省交通规划设计研究院 A kind of combined rigid structure steel plate girder bridge pier consolidation construction
CN110374259A (en) * 2019-07-10 2019-10-25 江苏镇江路桥工程有限公司 A kind of joint strengthening type T-type beam reinforcement cages and its construction technology
CN110374259B (en) * 2019-07-10 2021-08-13 江苏镇江路桥工程有限公司 Node-reinforced T-shaped beam steel reinforcement framework and construction process thereof
CN111877142A (en) * 2020-07-16 2020-11-03 仲恺农业工程学院 Assembled bridge pier column structure

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