CN103558098A - Pressure torsion test loading device for steel tube concrete pile - Google Patents

Pressure torsion test loading device for steel tube concrete pile Download PDF

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Publication number
CN103558098A
CN103558098A CN201310497707.3A CN201310497707A CN103558098A CN 103558098 A CN103558098 A CN 103558098A CN 201310497707 A CN201310497707 A CN 201310497707A CN 103558098 A CN103558098 A CN 103558098A
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China
Prior art keywords
pressure
steel tube
concrete pile
tube concrete
jack
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CN201310497707.3A
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Chinese (zh)
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CN103558098B (en
Inventor
任庆新
韩林海
董建胜
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Shenyang Jianzhu University
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Shenyang Jianzhu University
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Publication of CN103558098B publication Critical patent/CN103558098B/en
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Abstract

The invention discloses a pressure torsion test loading device for a steel tube concrete pile. Through the pressure torsion test loading device for the steel tube concrete pile, two problems that the rotation of the steel tube concrete pile is affected when the pressure is applied in a previous pressure torsion test and the torque change rule in the test process is not constant are solved. The pressure torsion test loading device for the steel tube concrete pile comprises a pressure jack, a pressure sensor, a pressure bearing, a round groove disc, a rolling shaft support, a tension jack and a tension sensor, wherein counterforce pillars are mounted on the ground; the pressure jack is mounted on the counterforce pillar at one side; the front end of the pressure jack is provided with the pressure sensor and the pressure bearing; the top end of the tension jack is provided with the tension sensor which is connected with a steel wire rope wound on the round groove disc; the rolling shaft support and a pedestal are mounted under the round groove disc. In test, the steel tube concrete pile is mounted on the counterforce pillars; the other end of the steel tube concrete pile is mounted on the round groove disc; a torque is provided by the tension jack; an axial pressure is provided by the pressure jack; load values are collected by the two sensors. The pressure torsion test loading device for the steel tube concrete pile also has the characteristics of simple overall structure, convenience in assembly and recyclability, and the like.

Description

Steel core concrete column is pressed torsional test charger
Technical field
The present invention relates to civil engineering work component test technical field, it is that a kind of steel core concrete column is pressed torsional test charger in definite saying.
Background technology
In civil engineering work, when the wind-engagings such as concrete-filled steel tubular frame side column, power transmission tower frame and offshore oil production platform leg post and seismic loading, just likely there is pressing the stress of turning round.It is less that at present Study on Steel pipe concrete column is pressed the test of turning round, and main cause is that charger is difficult to realize, and friction force is larger when axle pressure applies and between steel core concrete column, and impact is rotated; When moment of torsion applies, Changing Pattern is non-constant, can only be similar to value; Test findings and finite element analysis result gap are larger, can not effectively instruct engineering practice.
Summary of the invention
Object of the present invention is exactly to solve above-mentioned experiment loading unit to be difficult to the problem realizing, provide a kind of one-piece construction simple, easy to assembly, can be recycled, particularly test figure accurately steel core concrete column press torsional test charger.The object of the present invention is achieved like this, and steel core concrete column presses torsional test charger to comprise pressure lifting jack, pressure transducer, pressure bearing, groove disk, wire rope, pull bar, screw rod, web joint, counter-force pier, connector, roller support, pedestal, pulling force lifting jack and pulling force sensor.It is characterized in that: counter-force pier is installed on the ground, pull bar passes from four jiaos of counter-force pier, two counter-force piers are linked together, steel core concrete column one end is connected with web joint, and be fixed on counter-force pier by screw rod, the other end is connected with groove disk, pressure lifting jack is arranged on the counter-force pier of opposite side, the front end of pressure lifting jack is equipped with pressure transducer and pressure bearing, pulling force lifting jack is fixed on the ground under groove disk one side, pulling force sensor is equipped with on the top of pulling force lifting jack, pulling force sensor is connected with the wire rope being wrapped on groove circle by connector, under groove disk, roller support is housed, roller support is connected on ground by pedestal.
Advantage of the present invention is: solved press in torsional test in the past when pressure applies, affect that steel core concrete column rotates and process of the test in the inconstant two large problems of torque change rule, adopt pressure torsional test result and the finite element analysis result of steel core concrete column after the present invention to meet well, the feature such as that while the present invention also has is easy to assembly, can be recycled.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention.
The planimetric map of groove disk of the present invention during Fig. 2.
Fig. 3 is the planimetric map of web joint of the present invention.
Fig. 4 is the front elevation of roller support of the present invention.
Fig. 5 is the vertical view of roller support of the present invention.
Embodiment
embodiment 1:
The spacing needing according to test is installed two counter-force piers 10 on the ground, and pull bar 6 passes from four jiaos of counter-force pier 10, and locking, two counter-force piers 10 is linked together, to increase the ability of its opposing horizontal reacting force.Pressure lifting jack 1 is arranged on the counter-force pier 10 of a side, the front end of pressure lifting jack 1 is equipped with pressure transducer 2 and pressure bearing 3, applying the pulling force lifting jack 14 that moment of torsion uses is arranged between counter-force pier 10, pulling force sensor 15 is equipped with on the top of pulling force lifting jack 14, pulling force sensor 15 is connected with the wire rope 5 being wrapped on groove disk 4 by connector 11, the pedestal 13 that roller support 12 is installed be above arranged on groove disk 4 below, in order to brace groove disk 4.While testing, one end of steel core concrete column 9 is arranged on the counter-force pier 10 of a side by web joint 8 and bolt 7, the other end of steel core concrete column 9 is installed groove disk 4, steel core concrete column 9, groove disk 4 and pressure lifting jack 1 should be coaxial, the height that is supported on groove disk 4 roller support 12 below should be adjustable, to guarantee steel core concrete column 9, groove disk 4 and pressure lifting jack 1 are coaxial, the axle pressure being applied on steel core concrete column 9 is provided by pressure lifting jack 1, by pressure transducer and pressure bearing, pass to steel core concrete column 9, in the time of pressure bearing transmission of pressure, can guarantee that steel core concrete column 9 freely rotates, the moment of torsion being applied on steel core concrete column 9 passes through pulling force sensor 15 by pulling force lifting jack 14, the groove disk 4 that connector 11 and wire rope 5 tractives are fixed on steel core concrete column 9 ends provides, consequent vertical force is offset by roller support 12, guarantee that in whole loading procedure, torque change rule is constant, roller support 12 can guarantee that steel core concrete column 9 freely rotates simultaneously.Drag load numerical value is gathered by pulling force sensor 15, and compressive load numerical value is gathered by pressure transducer 2, finally by crossing, calculates experimental data.

Claims (1)

1. a steel core concrete column is pressed torsional test charger, it comprises pressure lifting jack, pressure transducer, pressure bearing, groove disk, wire rope, pull bar, screw rod, web joint, counter-force pier, connector, roller support, pedestal, pulling force lifting jack and pulling force sensor, it is characterized in that: counter-force pier (10) is installed on the ground, pull bar (6) passes from four jiaos of counter-force pier (10), two counter-force piers (10) are linked together, steel core concrete column (9) one end is connected with web joint (8), and be fixed on counter-force pier (10) by screw rod (7), the other end is connected with groove disk (4), pressure lifting jack (1) is arranged on the counter-force pier (10) of opposite side, the front end of pressure lifting jack (1) is equipped with pressure transducer (2) and pressure bearing (3), pulling force lifting jack (14) is fixed on the ground under groove disk (4) one sides, pulling force sensor (15) is equipped with on the top of pulling force lifting jack (14), pulling force sensor (15) is connected with the wire rope (5) being wrapped on groove disk (4) by connector (11), roller support (12) is housed under groove disk (4), roller support (12) is connected on ground by pedestal (13).
CN201310497707.3A 2013-10-22 2013-10-22 Steel core concrete column pressure torsional test charger Expired - Fee Related CN103558098B (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN201310497707.3A CN103558098B (en) 2013-10-22 2013-10-22 Steel core concrete column pressure torsional test charger

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CN103558098B CN103558098B (en) 2016-01-13

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104181102A (en) * 2014-08-08 2014-12-03 太原理工大学 Experimental device and experimental method of impact drawing-twisting load
CN104237010A (en) * 2014-08-14 2014-12-24 贵州长通电力线路器材有限公司 Multifunctional concrete electric pole mechanical property detection platform
CN105466792A (en) * 2016-01-26 2016-04-06 大连理工大学 Movable ocean engineering flexible pipe cable torsion test device
CN105571958A (en) * 2016-01-14 2016-05-11 南京航空航天大学 Large-diameter high-strength composite circular tube torsion test device and test method thereof
CN105890996A (en) * 2016-03-31 2016-08-24 大连理工大学 Marine dynamic umbilical cable tension bending combination fatigue test device easy to adjust
CN106053257A (en) * 2016-06-03 2016-10-26 河海大学 Torsion test device and method for measuring bending torque of concrete column
CN106053225A (en) * 2016-06-29 2016-10-26 福建工程学院 Testing device for applying persistent pressure-torsion damage load to concrete member
CN106124398A (en) * 2016-06-14 2016-11-16 沈阳建筑大学 A kind of hollow steel tube concrete superposed column push out test charger
CN106483027A (en) * 2016-10-13 2017-03-08 沈阳建筑大学 A kind of Concrete-filled Double Skin Steel Tube Columns pull and torsion test charger
CN106840900A (en) * 2017-03-31 2017-06-13 沈阳建筑大学 The research structure experimental rig and method of rod member Subjected To Compression, Bending, Shear Hysteresis Behavior
CN106840925A (en) * 2017-03-31 2017-06-13 沈阳建筑大学 Research structure rod member bends and turns round the experimental rig and method of Hysteresis Behavior
CN110646191A (en) * 2019-10-29 2020-01-03 北京起重运输机械设计研究院有限公司 Load force test device of rope clip
CN111623945A (en) * 2020-05-11 2020-09-04 中铁桥研科技有限公司 Multifunctional test system
CN114184378A (en) * 2021-12-02 2022-03-15 江苏心源航空科技有限公司 Declination axis static torsion test bed

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CN203069465U (en) * 2013-01-25 2013-07-17 苏州科技学院 Combined torsion experiment device of member
CN203519436U (en) * 2013-10-22 2014-04-02 沈阳建筑大学 Pressure-torsion test loading device of concrete-filled steel tube column

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CN201909742U (en) * 2011-01-20 2011-07-27 北京科技大学 Constant load type stress corrosion twisting tester
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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104181102A (en) * 2014-08-08 2014-12-03 太原理工大学 Experimental device and experimental method of impact drawing-twisting load
CN104237010A (en) * 2014-08-14 2014-12-24 贵州长通电力线路器材有限公司 Multifunctional concrete electric pole mechanical property detection platform
CN105571958B (en) * 2016-01-14 2018-05-08 南京航空航天大学 Heavy caliber high-strength composite tube crane torsion test device and its test method
CN105571958A (en) * 2016-01-14 2016-05-11 南京航空航天大学 Large-diameter high-strength composite circular tube torsion test device and test method thereof
CN105466792A (en) * 2016-01-26 2016-04-06 大连理工大学 Movable ocean engineering flexible pipe cable torsion test device
CN105466792B (en) * 2016-01-26 2018-09-04 大连理工大学 A kind of packaged type ocean engineering compliance umbilical torsion test device
CN105890996A (en) * 2016-03-31 2016-08-24 大连理工大学 Marine dynamic umbilical cable tension bending combination fatigue test device easy to adjust
CN106053257A (en) * 2016-06-03 2016-10-26 河海大学 Torsion test device and method for measuring bending torque of concrete column
CN106124398A (en) * 2016-06-14 2016-11-16 沈阳建筑大学 A kind of hollow steel tube concrete superposed column push out test charger
CN106124398B (en) * 2016-06-14 2019-01-08 沈阳建筑大学 A method of push out test being carried out to hollow steel tube concrete superposed column with loading device
CN106053225A (en) * 2016-06-29 2016-10-26 福建工程学院 Testing device for applying persistent pressure-torsion damage load to concrete member
CN106053225B (en) * 2016-06-29 2018-11-16 福建工程学院 The experimental rig that persistently pressure turns round damage load is applied to concrete component
CN106483027A (en) * 2016-10-13 2017-03-08 沈阳建筑大学 A kind of Concrete-filled Double Skin Steel Tube Columns pull and torsion test charger
CN106840900A (en) * 2017-03-31 2017-06-13 沈阳建筑大学 The research structure experimental rig and method of rod member Subjected To Compression, Bending, Shear Hysteresis Behavior
CN106840925A (en) * 2017-03-31 2017-06-13 沈阳建筑大学 Research structure rod member bends and turns round the experimental rig and method of Hysteresis Behavior
CN106840925B (en) * 2017-03-31 2023-04-14 沈阳建筑大学 Device and method for testing compression-bending-torsion hysteresis performance of rod piece for research structure
CN110646191A (en) * 2019-10-29 2020-01-03 北京起重运输机械设计研究院有限公司 Load force test device of rope clip
CN111623945A (en) * 2020-05-11 2020-09-04 中铁桥研科技有限公司 Multifunctional test system
CN114184378A (en) * 2021-12-02 2022-03-15 江苏心源航空科技有限公司 Declination axis static torsion test bed

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