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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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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pressure
tension
jack
steel tube
reaction
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CN103558098B (en
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任庆新
韩林海
董建胜
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Shenyang Jianzhu University
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Abstract

本发明公开了一种钢管混凝土柱压扭试验加载装置，解决了以往压扭试验中压力施加时影响钢管混凝土柱转动及试验过程中扭矩变化规律不恒定两大问题。它包括压力千斤顶、压力传感器、压力轴承、凹槽圆盘、滚轴支撑、拉力千斤顶和拉力传感器等。反力墩安装在地面上，压力千斤顶安装在一侧的反力墩上，前端装有压力传感器和压力轴承，拉力千斤顶的顶端装有拉力传感器，与缠绕在凹槽圆盘上的钢丝绳相连，滚轴支撑和台座安装在凹槽圆盘的下面。进行试验时，将钢管混凝土柱安装反力墩上，另一端安装在凹槽圆盘上，扭矩由拉力千斤顶提供，轴向压力由压力千斤顶提供，载荷数值由两个传感器采集。本发明还具有整体结构简单、组装方便、可循环使用等特点。

Figure 201310497707

The invention discloses a loading device for a compression-torsion test of a steel tube concrete column, which solves the two problems of the conventional compression-torsion test, which affects the rotation of the steel tube concrete column when pressure is applied and the law of torque variation during the test process is not constant. It includes pressure jacks, pressure sensors, pressure bearings, grooved discs, roller supports, tension jacks and tension sensors, etc. The reaction pier is installed on the ground, and the pressure jack is installed on one side of the reaction pier. The front end is equipped with a pressure sensor and a pressure bearing. The top of the tension jack is equipped with a tension sensor, which is connected with a wire rope wound on a grooved disc. Roller supports and pedestals are mounted on the underside of the grooved disc. During the test, the concrete-filled steel tube column is installed on the reaction pier, and the other end is installed on the grooved disc. The torque is provided by the tension jack, the axial pressure is provided by the pressure jack, and the load value is collected by two sensors. The invention also has the characteristics of simple overall structure, convenient assembly, recyclable use and the like.

Figure 201310497707

Description

钢管混凝土柱压扭试验加载装置Loading device for compressive torsion test of concrete filled steel tube column

技术领域 technical field

本发明涉及土木工程建筑构件试验技术领域，确切的说它是一种钢管混凝土柱压扭试验加载装置。 The invention relates to the technical field of test of civil engineering building components, in particular it is a loading device for compression and torsion tests of steel tube concrete columns.

背景技术 Background technique

在土木工程中，钢管混凝土框架边柱、输电塔架及海洋采油平台腿柱等受风和地震荷载作用时，就有可能出现压扭的受力状态。目前研究钢管混凝土柱压扭的试验较少，主要原因是加载装置难以实现，轴向压力施加时与钢管混凝土柱之间摩擦力较大，影响转动；扭矩施加时变化规律不恒定，只能近似取值；试验结果与有限元分析结果差距较大，不能有效的指导工程实践。 In civil engineering, when the side columns of steel tube concrete frames, power transmission towers and leg columns of offshore oil production platforms are subjected to wind and earthquake loads, there may be a state of compression and torsion. At present, there are few experiments to study the compression and torsion of CFST columns. The main reason is that the loading device is difficult to realize. When the axial pressure is applied, the friction between the CFST column and the CFST column is relatively large, which affects the rotation; when the torque is applied, the change law is not constant and can only be approximated. The difference between the test results and the finite element analysis results is large, which cannot effectively guide engineering practice.

发明内容 Contents of the invention

本发明的目的就是解决上述试验加载装置难以实现的问题，提供一种整体结构简单、组装方便、可循环使用，特别是试验数据准确的钢管混凝土柱压扭试验加载装置。本发明的目的是这样实现的，钢管混凝土柱压扭试验加载装置包括压力千斤顶、压力传感器、压力轴承、凹槽圆盘、钢丝绳、拉杆、螺杆、连接板、反力墩、连接头、滚轴支撑、台座、拉力千斤顶和拉力传感器。其特征在于：反力墩安装在地面上，拉杆从反力墩的四角穿过，将两个反力墩连接在一起，钢管混凝土柱一端与连接板相连，并通过螺杆固定在反力墩上，另一端与凹槽圆盘相连，压力千斤顶安装在另一侧的反力墩上，压力千斤顶的前端装有压力传感器和压力轴承，拉力千斤顶固定在凹槽圆盘一侧正下方的地面上，拉力千斤顶的顶端装有拉力传感器，拉力传感器通过连接头与缠绕在凹槽圆上的钢丝绳相连，凹槽圆盘正下方装有滚轴支撑，滚轴支撑通过台座连接到地面上。 The object of the present invention is to solve the problem that the above-mentioned test loading device is difficult to realize, and to provide a loading device for compression-torsion test of concrete filled steel tube column with simple overall structure, convenient assembly, recyclable use, and especially accurate test data. The object of the present invention is achieved in that the loading device for the compression and torsion test of the concrete filled steel tube column includes a pressure jack, a pressure sensor, a pressure bearing, a grooved disc, a steel wire rope, a pull rod, a screw, a connecting plate, a counter force pier, a connecting head, and a roller Supports, pedestals, tension jacks and tension transducers. It is characterized in that: the reaction pier is installed on the ground, the tie rods pass through the four corners of the reaction pier, and the two reaction pier are connected together, one end of the steel pipe concrete column is connected with the connecting plate, and fixed on the reaction pier by a screw , the other end is connected with the groove disc, the pressure jack is installed on the reaction pier on the other side, the front end of the pressure jack is equipped with a pressure sensor and pressure bearing, and the tension jack is fixed on the ground directly below one side of the groove disc , the top of the tension jack is equipped with a tension sensor, the tension sensor is connected to the steel wire rope wound on the groove circle through the connector, and the roller support is installed directly below the groove disc, and the roller support is connected to the ground through the pedestal.

本发明的优点是：解决了以往压扭试验中压力施加时影响钢管混凝土柱转动及试验过程中扭矩变化规律不恒定的两大问题，采用本发明后钢管混凝土柱的压扭试验结果与有限元分析结果符合良好，同时本发明还具有组装方便、可循环使用等特点。 The advantages of the present invention are: solve the two major problems of affecting the rotation of the concrete-filled steel tube column when the pressure is applied in the previous compression-torsion test and the inconstant torque variation law during the test process, and the results of the compression-torsion test of the steel tube concrete column after the present invention are compared with the finite element The analysis results are in good agreement, and the invention also has the characteristics of convenient assembly, recyclable use and the like.

附图说明 Description of drawings

图1是本发明的整体结构示意图。 Fig. 1 is a schematic diagram of the overall structure of the present invention.

图2时本发明凹槽圆盘的平面图。 Figure 2 is a plan view of the grooved disk of the present invention.

图3是本发明连接板的平面图。 Fig. 3 is a plan view of the connecting plate of the present invention.

图4是本发明滚轴支撑的正视图。 Fig. 4 is a front view of the roller support of the present invention.

图5是本发明滚轴支撑的俯视图。 Fig. 5 is a top view of the roller support of the present invention.

具体实施方式 Detailed ways

实施例1：Example 1:

根据试验需要的间距将两个反力墩10安装在地面上，拉杆6从反力墩10的四角穿过，并锁紧，将两个反力墩10连接在一起，以增加其抵抗水平反力的能力。压力千斤顶1安装在一侧的反力墩10上，压力千斤顶1的前端装有压力传感器2和压力轴承3，施加扭矩用的拉力千斤顶14安装在反力墩10之间，拉力千斤顶14的顶端装有拉力传感器15，拉力传感器15通过连接头11与缠绕在凹槽圆盘4上的钢丝绳5相连，上面安装有滚轴支撑12的台座13安装在凹槽圆盘4的下面，用以支撑凹槽圆盘4。进行试验时将钢管混凝土柱9的一端通过连接板8和螺栓7安装在一侧的反力墩10上，钢管混凝土柱9的另一端安装上凹槽圆盘4，钢管混凝土柱9、凹槽圆盘4和压力千斤顶1应同轴，支撑在凹槽圆盘4下面的滚轴支撑12的高度应可调，以便保证钢管混凝土柱9、凹槽圆盘4和压力千斤顶1同轴，施加在钢管混凝土柱9上的轴向压力由压力千斤顶1提供，通过压力传感器和压力轴承传递给钢管混凝土柱9，压力轴承传递压力的同时，可保证钢管混凝土柱9自由转动，施加在钢管混凝土柱9上的扭矩由拉力千斤顶14通过拉力传感器15、连接头11和钢丝绳5牵拉固定在钢管混凝土柱9端部的凹槽圆盘4提供，由此产生的竖向力被滚轴支撑12抵消，保证整个加载过程中扭矩变化规律恒定，滚轴支撑12同时可保证钢管混凝土柱9自由转动。拉力载荷数值由拉力传感器15采集，压力荷载数值由压力传感器2采集，最后经过计算得到实验数据。  Two reaction piers 10 are installed on the ground according to the distance required for the test, and the tie rods 6 pass through the four corners of the reaction piers 10 and are locked to connect the two reaction piers 10 to increase its resistance to horizontal reaction. ability to force. The pressure jack 1 is installed on the reaction pier 10 on one side, the front end of the pressure jack 1 is equipped with a pressure sensor 2 and a pressure bearing 3, the tension jack 14 for applying torque is installed between the reaction pier 10, and the top of the tension jack 14 A tension sensor 15 is installed, and the tension sensor 15 is connected to the wire rope 5 wound on the grooved disc 4 through the connector 11, and the pedestal 13 on which the roller support 12 is installed is installed under the grooved disc 4 to support Grooved disc4. When carrying out the test, one end of the steel tube concrete column 9 is installed on the reaction pier 10 on one side through the connecting plate 8 and the bolt 7, and the other end of the steel tube concrete column 9 is installed with a groove disc 4, and the steel tube concrete column 9, the groove The disc 4 and the pressure jack 1 should be coaxial, and the height of the roller support 12 supported under the grooved disc 4 should be adjustable, so as to ensure the coaxiality of the steel pipe concrete column 9, the grooved disc 4 and the pressure jack 1. The axial pressure on the CFST column 9 is provided by the pressure jack 1, which is transmitted to the CFST column 9 through the pressure sensor and the pressure bearing. While the pressure bearing transmits the pressure, it can ensure the free rotation of the CFST column 9 and apply it to the CFST column. The torque on 9 is provided by pulling the groove disc 4 fixed at the end of the CFST column 9 by the tension jack 14 through the tension sensor 15, the connector 11 and the steel wire rope 5, and the resulting vertical force is offset by the roller support 12 , to ensure that the law of torque variation is constant throughout the loading process, and the roller support 12 can also ensure the free rotation of the steel tube concrete column 9. The tension load value is collected by the tension sensor 15, the pressure load value is collected by the pressure sensor 2, and finally the experimental data is obtained through calculation. the

Claims (1)

1.一种钢管混凝土柱压扭试验加载装置，它包括压力千斤顶、压力传感器、压力轴承、凹槽圆盘、钢丝绳、拉杆、螺杆、连接板、反力墩、连接头、滚轴支撑、台座、拉力千斤顶和拉力传感器，其特征在于：反力墩（10）安装在地面上，拉杆（6）从反力墩（10）的四角穿过，将两个反力墩（10）连接在一起，钢管混凝土柱（9）一端与连接板（8）相连，并通过螺杆（7）固定在反力墩（10）上，另一端与凹槽圆盘（4）相连，压力千斤顶（1）安装在另一侧的反力墩（10）上，压力千斤顶（1）的前端装有压力传感器（2）和压力轴承（3），拉力千斤顶（14）固定在凹槽圆盘（4）一侧正下方的地面上，拉力千斤顶（14）的顶端装有拉力传感器（15），拉力传感器（15）通过连接头（11）与缠绕在凹槽圆盘（4）上的钢丝绳（5）相连，凹槽圆盘（4）正下方装有滚轴支撑（12），滚轴支撑（12）通过台座（13）连接到地面上。 1. A loading device for the compression-torsion test of a concrete filled steel tube column, which comprises a pressure jack, a pressure sensor, a pressure bearing, a grooved disc, a steel wire rope, a pull rod, a screw, a connecting plate, a reaction pier, a connecting head, a roller support, and a pedestal , a tension jack and a tension sensor, characterized in that: the reaction piers (10) are installed on the ground, and the pull rods (6) pass through the four corners of the reaction piers (10) to connect the two reaction piers (10) together , one end of the steel tube concrete column (9) is connected with the connection plate (8), and fixed on the reaction pier (10) through the screw (7), and the other end is connected with the grooved disc (4), and the pressure jack (1) is installed On the other side of the reaction pier (10), the front end of the pressure jack (1) is equipped with a pressure sensor (2) and a pressure bearing (3), and the tension jack (14) is fixed on one side of the groove disc (4) On the ground directly below, the tension sensor (15) is equipped with the top of the tension jack (14), and the tension sensor (15) is connected with the wire rope (5) wound on the groove disc (4) through the connector (11), A roller support (12) is provided directly below the grooved disc (4), and the roller support (12) is connected to the ground by a pedestal (13).
CN201310497707.3A 2013-10-22 2013-10-22 Steel core concrete column pressure torsional test charger Expired - Fee Related CN103558098B (en)

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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 A mobile torsion test device for flexible umbilical cables in marine engineering
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
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
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
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
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
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
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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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 A mobile torsion test device for flexible umbilical cables in marine engineering
CN105466792B (en) * 2016-01-26 2018-09-04 大连理工大学 A mobile torsion test device for flexible umbilical cables in marine engineering
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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
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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
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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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