CN203037476U - Portable automatic control beam column node two-way load interaction performance testing device - Google Patents
Portable automatic control beam column node two-way load interaction performance testing device Download PDFInfo
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- CN203037476U CN203037476U CN 201220726308 CN201220726308U CN203037476U CN 203037476 U CN203037476 U CN 203037476U CN 201220726308 CN201220726308 CN 201220726308 CN 201220726308 U CN201220726308 U CN 201220726308U CN 203037476 U CN203037476 U CN 203037476U
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Abstract
The utility model discloses a portable automatic control beam column node two-way load interaction performance testing device which comprises an outer frame fixing device, a test piece fixing device, a test piece loading device and a data acquisition system. The outer frame fixing device comprises a ladder-shaped horizontal reaction rack, a steel beam cushion cap shaped like a Chinese character 'gong', a cross beam shaped like a Chinese character 'gong', a stand column shaped like a Chinese character 'gong' and a prestressed cable. The test piece loading device comprises a horizontal actuator, two vertical actuators, a hydraulic oil source, a horizontal load sensor and a vertical load sensor. The test piece fixing device comprises two steel clamp plates, an anchoring bolt rod, a column fixing base and a column bottom hinge support. The data acquisition system comprises a controller, a multi-channel strain acquisition instrument and a computer. The portable automatic control beam column node two-way load interaction performance testing device provided by the utility model has the advantages of simple structure and convenient disassembly, needs less materials, is suitable for scientific research, and is suitable for the testing of the hysteretic performance of a node test piece in a construction site.
Description
Technical field
The utility model relates to a kind of Portable Automatic control bean column node bidirectional load acting in conjunction performance testing device, belongs to the concrete construction field.
Background technology
In the field of civil engineering, the hysteresis performance of research bean column node is extremely important.In containing the structure of bean column node, node is weak link often, the quality of its hysteresis performance has a significant impact the total anti-seismic performance, and accurately the hysteresis performance of measured node is significant to ductility, deformability and the energy dissipation capacity of estimating bean column node.
Hysteresis performance at the research bean column node mainly adopts pseudo-static experimental at present, styletable applies axle pressure by lifting jack, adopt hydraulic jack to apply reciprocal vertical load of low week at beam-ends, vertical load counter-force and horizontal loading counter-force obtain by vertical load reaction frame and horizontal loading reaction frame respectively,, fail to reach self-equilibrating simultaneously at both direction to reaching self-equilibrating respectively in vertical and level.Loading frequency and the continuity of the reciprocal load that applies by hydraulic jack can not get effective control, apply vertical force by lifting jack on the other hand, because along with node under the effect of vertical load sidesway takes place, lifting jack may make the vertical force that applies can not keep constant owing to oil return, and produces big test error.In loading procedure, the slippage of node beam-ends also produces bigger influence to test accuracy, should adopt an effective measure to prevent beam-ends generation slippage.
Summary of the invention
The utility model provides a kind of Portable Automatic control bean column node bidirectional load acting in conjunction performance testing device, and this device can be tested at the scene of building, and is as long as carry out partial disassembly and assembling, easy to operate.
In order to realize above-mentioned technical matters, the utility model is by the following technical solutions: a kind of Portable Automatic control bean column node bidirectional load acting in conjunction performance testing device, comprise external frame stationary installation, test specimen stationary installation, test specimen charger and data acquisition system (DAS), wherein:
The external frame stationary installation comprises trapezoidal horizontal reacting force frame, i-shape steel beam cushion cap, I shape crossbeam, I shape column and prestressed cable, described trapezoidal horizontal reacting force frame is fixedlyed connected with the i-shape steel beam cushion cap, fixedly connected with an end of i-shape steel beam cushion cap in the lower end of described trapezoidal horizontal reacting force frame, fixedlying connected with an end of I shape crossbeam in the upper end of trapezoidal horizontal reacting force frame, fixedlys connected described I shape column with the other end of i-shape steel beam cushion cap at the other end of I shape crossbeam; Described prestressed cable is arranged in the trapezoidal horizontal reacting force frame;
The test specimen charger comprises: horizontal actuator, two vertical actuator, hydraulic oil source, horizontal loading sensor and vertical load sensors, one end of described horizontal actuator is connected with trapezoidal horizontal reacting force frame by big ball pivot, the other end of horizontal actuator is connected with the steel clamping plate by another big ball pivot, described horizontal loading sensor is set between horizontal actuator and steel clamping plate, described two vertical actuator are connected with the I shape crossbeam by little ball pivot, connect described vertical load sensor in the lower end of vertical actuator;
The test specimen stationary installation comprises two steel clamping plate, anchor bolt bar, post firm banking and post bottom hinge bearing, described steel clamping plate are connected with described horizontal actuator by described anchor bolt bar, and described post firm banking is fixedlyed connected with the i-shape steel beam cushion cap by post bottom hinge bearing;
Data acquisition system (DAS) comprises controller, hyperchannel strain acquirement instrument and computer, the input end of described controller is connected with computer respectively with the output terminal of hyperchannel strain acquirement instrument, and the output terminal of described controller is connected with two vertical actuator with described horizontal actuator.
Described horizontal actuator and vertical actuator inbuilt displacement sensor.
Place the steel plate of band roller bearing at the end face of test specimen.
The utility model test unit comprises trapezoidal horizontal reacting force frame, prestressed cable, the i-shape steel beam cushion cap, the I shape crossbeam, the I shape column, the triangle steelframe, the beam upper and lower side connects hinge, the beam cylinder lever connecting rod, post bottom hinge bearing, ball pivot, hydraulic oil source, controller, horizontal actuator, vertical actuator, fixing actuator, the horizontal loading sensor, the vertical load sensor, displacement transducer, hyperchannel strain acquirement instrument, computer, oil pipe, the steel plate of mounting strap roller bearing, the steel clamping plate, the top anchor body of bolt, the bottom anchor body of bolt, earth anchor bolt and quad.
Adopt high-strength bolt to be connected between described trapezoidal horizontal reacting force frame and the i-shape steel beam cushion cap, adopt high-strength bolt to be connected between described I shape crossbeam, I shape column and trapezoidal horizontal reacting force frame, the girder steel cushion cap, described trapezoidal horizontal reacting force frame applies prestress by prestressed cable.
Described test specimen charger comprises: horizontal actuator, two vertical actuator, hydraulic oil source, horizontal loading sensor, vertical load sensor, displacement transducer, ball pivot.Described horizontal actuator is connected with trapezoidal horizontal reacting force frame with ball pivot by high-strength bolt, described horizontal loading sensor is connected with horizontal actuator by high-strength bolt, and be connected with the steel clamping plate with ball pivot by high-strength bolt, described two vertical actuator are connected with the I shape crossbeam with ball pivot by high-strength bolt, and described vertical load sensor is connected with vertical actuator by high-strength bolt.
Described test specimen stationary installation is made up of connection hinge, beam lower end connection hinge, tension-compression sensor, post hold-down support, post fixed-hinged support on two cover steel clamping plate, body of bolt, bottom anchor body of bolt, the beam.
Described controller, computer and hyperchannel strain acquirement instrument connect as one by data line.
The assay method of Portable Automatic control bean column node bidirectional load acting in conjunction performance testing device, step is as follows:
The first step: trapezoidal horizontal reacting force frame is connected and fixed with earth anchor bolt and ground, again the i-shape steel beam cushion cap is connected and fixed by high-strength bolt and earth anchor bolt and trapezoidal horizontal reacting force frame and ground respectively; Adopt high-strength bolt to be connected with between I shape crossbeam, I shape column and trapezoidal horizontal reacting force frame, the i-shape steel beam cushion cap then, and by prestressed cable trapezoidal horizontal reacting force frame is applied prestress;
Second step: horizontal actuator is connected with trapezoidal horizontal reacting force frame with ball pivot by high-strength bolt, the horizontal loading sensor is connected with horizontal actuator by high-strength bolt, and be connected with the steel clamping plate with ball pivot by high-strength bolt, then two vertical actuator are connected with the I shape crossbeam with ball pivot by high-strength bolt, and with the vertical load sensor by high-strength bolt and vertical actuator, the steel plate of mounting strap roller bearing connects, horizontal actuator is connected with hydraulic oil source by the actuator application tube respectively with two vertical actuator, and with hydraulic oil source, controller, hyperchannel strain acquirement instrument, the computer expert crosses data line and connects;
The 3rd step: specimen joints is fixed on the i-shape steel beam cushion cap by post hold-down support, post bottom hinge bearing, bolt by the bearing both sides applies power, prevent the test specimen sidesway, the two ends of beam are fixed by steel clamping plate, bolt rod member beam connecting link and hinged-support, depth of beam by regulate clamping plate up and down the bolt at two ends be adjusted to horizontal level and the stroke by computer and the horizontal actuator of controller adjusting behind correct position, clamp both sides steel clamping plate, intert top anchor body of bolt and tighten with bolt; The steel plate of band roller bearing is put into the top of styletable.Horizontal loading sensor, vertical load sensor, tension-compression sensor are connected on the hyperchannel strain acquirement instrument by quad;
The 4th step: when needs are tested, control vertical actuator by computer and controller and apply vertical load to predetermined value, apply the reciprocal load of level according to the horizontal actuator of horizontal loading loading system control then, destroy until test specimen, and by the horizontal force in computer and the hyperchannel strain acquirement instrument acquisition test process
And displacement
The 5th step: according to the horizontal force that records in the process of the test
The horizontal shift at horizontal force action point place
, the hysteresis loop of the member that draws.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model proving installation vertical load and horizontal loading all adopt actuator to load, but the stroke of flexible actuator, in loading procedure, realize high precision control by computer, in the test specimen bottom bearing is set simultaneously, can prevent that effectively test specimen is moved in the test process, the measuring accuracy height.
2, the utility model device can be tested at the scene of building, and is as long as carry out partial disassembly and assembling, easy to operate.
Description of drawings
Fig. 1 is the single unit system figure of the utility model proving installation.
Fig. 2 is the charger figure of the utility model proving installation.
Fig. 3 is hydraulic oil source and the data acquisition system (DAS) figure of the utility model proving installation.
Fig. 4 is the test specimen anchoring arrangenent diagram of the utility model proving installation.
Wherein: the trapezoidal horizontal reacting force frame of 1-; The 2-bottom girder; 3-I shape crossbeam; 4-I shape column; The 5-high-strength bolt; The 6-prestressed cable; 7-steel clamping plate; 8-anchor bolt bar; 9-beam upper end connects hinge; 10-tension-compression sensor 11-beam cylinder lever connecting rod; 12-beam lower end connects hinge; 13-post firm banking; 14-post bottom hinge bearing; The horizontal actuator of 15-; The vertical actuator of 16-; The 17-hydraulic oil source; The 18-controller; 19-horizontal loading sensor; 20-vertical load sensor; The big ball pivot of 21-; The little ball pivot of 22-; The 23-oil pipe; The 24-quad; 25-hyperchannel strain acquirement instrument; The 26-computer; The 27-quad; The steel plate of 28-band roller bearing; 29-earth anchor bolt.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated:
As shown in Figure 1, a kind of Portable Automatic control bean column node bidirectional load acting in conjunction performance testing device comprises the loading frame device that trapezoidal horizontal reacting force frame 1, i-shape steel beam cushion cap 2, I shape crossbeam 3, I shape column 4 and prestressed cable 6 are formed; Connect the test specimen stationary installation that hinge 9, tension-compression sensor 10, beam connecting link 11, beam lower end connection hinge 12, post firm banking 13 and post bottom hinge bearing 14 are formed by eight steel clamping plate 7, anchor bolt bar 8, beam upper end; Horizontal actuator 15, two vertical actuator 16, hydraulic oil source 17, horizontal loading sensor 19, vertical load sensors 20 and the charger of forming; The data acquisition system (DAS) that controller 18, hyperchannel strain acquirement instrument 25 and computer 26 are formed.
The Portable Automatic control bean column node of employing the utility model bidirectional load acting in conjunction performance testing device is measured the acting in conjunction performance under the bean column node bidirectional load, and method of testing is as follows:
The first step: trapezoidal horizontal reacting force frame is connected and fixed with earth anchor bolt and ground, again the i-shape steel beam cushion cap is connected and fixed by high-strength bolt and earth anchor bolt and trapezoidal horizontal reacting force frame and ground respectively; Adopt high-strength bolt to be connected with between I shape crossbeam, I shape column and trapezoidal horizontal reacting force frame, the i-shape steel beam cushion cap then, and by prestressed cable trapezoidal horizontal reacting force frame is applied prestress.
Second step: horizontal actuator is connected with trapezoidal horizontal reacting force frame with ball pivot by high-strength bolt, the horizontal loading sensor is connected with horizontal actuator by high-strength bolt, and be connected with the steel clamping plate with ball pivot by high-strength bolt, then two vertical actuator are connected with the I shape crossbeam with ball pivot by high-strength bolt, and with the vertical load sensor by high-strength bolt and vertical actuator, the steel plate of mounting strap roller bearing connects, horizontal actuator is connected with hydraulic oil source by the actuator application tube respectively with two vertical actuator, and with hydraulic oil source, controller, hyperchannel strain acquirement instrument, the computer expert crosses data line and connects.
The 3rd step: specimen joints is fixed on the i-shape steel beam cushion cap by post hold-down support, post bottom hinge bearing, bolt by the bearing both sides applies power, prevent the test specimen sidesway, the two ends of beam are fixed by steel clamping plate, bolt rod member beam connecting link and hinged-support, depth of beam by regulate clamping plate up and down the bolt at two ends be adjusted to horizontal level and the stroke by computer and the horizontal actuator of controller adjusting behind correct position, clamp both sides steel clamping plate, intert top anchor body of bolt and tighten with bolt; The steel plate of band roller bearing is put into the top of styletable.Horizontal loading sensor, vertical load sensor, tension-compression sensor are connected on the hyperchannel strain acquirement instrument by quad.
The 4th step: when needs are tested, control vertical actuator by computer and controller and apply vertical load to predetermined value, apply the reciprocal load of level according to the horizontal actuator of horizontal loading loading system control then, destroy until test specimen, and by the horizontal force in computer and the hyperchannel strain acquirement instrument acquisition test process
And displacement
The 5th step: according to the horizontal force that records in the process of the test
The horizontal shift at horizontal force action point place
, the hysteresis loop of the member that draws.
Claims (3)
1. a Portable Automatic control bean column node bidirectional load acting in conjunction performance testing device comprises external frame stationary installation, test specimen stationary installation, test specimen charger and data acquisition system (DAS), wherein:
The external frame stationary installation comprises trapezoidal horizontal reacting force frame (1), i-shape steel beam cushion cap (2), I shape crossbeam (3), I shape column (4) and prestressed cable (6), described trapezoidal horizontal reacting force frame (1) is fixedlyed connected with i-shape steel beam cushion cap (2), fixedly connected with an end of i-shape steel beam cushion cap (2) in the lower end of described trapezoidal horizontal reacting force frame (1), fixedlying connected with an end of I shape crossbeam (3) in the upper end of trapezoidal horizontal reacting force frame (1), fixedlys connected described I shape column (4) with the other end of i-shape steel beam cushion cap (2) at the other end of I shape crossbeam (3); Described prestressed cable (6) is arranged in the trapezoidal horizontal reacting force frame (1);
The test specimen charger comprises horizontal actuator (15), two vertical actuator (16), hydraulic oil source (17), horizontal loading sensor (19) and vertical load sensor (20), one end of described horizontal actuator (15) is connected with trapezoidal horizontal reacting force frame (1) by big ball pivot (21), the other end of horizontal actuator (15) is connected with steel clamping plate (7) by another big ball pivot (21), between horizontal actuator (15) and steel clamping plate (7), described horizontal loading sensor (19) is set, described two vertical actuator (16) are connected with I shape crossbeam (3) by little ball pivot (22), connect described vertical load sensor (20) in the lower end of vertical actuator (16);
The test specimen stationary installation comprises two steel clamping plate (7), anchor bolt bar (8), post firm banking (13) and post bottom hinge bearing (14), described steel clamping plate (7) are connected with described horizontal actuator by described anchor bolt bar (8), and described post firm banking (13) is fixedlyed connected with i-shape steel beam cushion cap (2) by post bottom hinge bearing (14);
Data acquisition system (DAS) comprises controller (18), hyperchannel strain acquirement instrument (25) and computer (26), the output terminal of the input end of described controller (18) and hyperchannel strain acquirement instrument (25) is connected with computer (26) respectively, and the output terminal of described controller (18) is connected with two vertical actuator (16) with described horizontal actuator (15).
2. Portable Automatic control bean column node bidirectional load acting in conjunction performance testing device according to claim 1 is characterized in that: described horizontal actuator (15) and vertical actuator (16) inbuilt displacement sensor.
3. Portable Automatic control bean column node bidirectional load acting in conjunction performance testing device according to claim 1 is characterized in that: the steel plate (28) of placing the band roller bearing at the end face of test specimen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220726308 CN203037476U (en) | 2012-12-24 | 2012-12-24 | Portable automatic control beam column node two-way load interaction performance testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220726308 CN203037476U (en) | 2012-12-24 | 2012-12-24 | Portable automatic control beam column node two-way load interaction performance testing device |
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| CN203037476U true CN203037476U (en) | 2013-07-03 |
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| CN 201220726308 Withdrawn - After Issue CN203037476U (en) | 2012-12-24 | 2012-12-24 | Portable automatic control beam column node two-way load interaction performance testing device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076192A (en) * | 2012-12-24 | 2013-05-01 | 河海大学 | Portable performance test device for automatic control of combined action of bidirectional load of beam-column joint and determination method |
| CN105334015A (en) * | 2015-10-28 | 2016-02-17 | 洛阳理工学院 | Space steel frame node loading test device and application thereof |
| CN106153314A (en) * | 2016-06-15 | 2016-11-23 | 重庆大学 | A kind of plane framework node loads and node area detrusion measurement apparatus |
| CN106680090A (en) * | 2017-01-19 | 2017-05-17 | 中国矿业大学 | Testing device and method for stability bearing capacity of steel angle X-braced panels |
| CN109632535A (en) * | 2018-12-21 | 2019-04-16 | 长安大学 | A kind of pseudo-static experimental method reflecting incentive action characteristic |
| CN109932168A (en) * | 2019-04-04 | 2019-06-25 | 中建一局集团第六建筑有限公司 | Large-span steel structure beam column joint test method |
| CN111257117A (en) * | 2020-02-13 | 2020-06-09 | 中南林业科技大学 | Steel-clamping-plate bolted-connection laminated wood hysteresis performance test device and test method |
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2012
- 2012-12-24 CN CN 201220726308 patent/CN203037476U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076192A (en) * | 2012-12-24 | 2013-05-01 | 河海大学 | Portable performance test device for automatic control of combined action of bidirectional load of beam-column joint and determination method |
| CN105334015A (en) * | 2015-10-28 | 2016-02-17 | 洛阳理工学院 | Space steel frame node loading test device and application thereof |
| CN106153314A (en) * | 2016-06-15 | 2016-11-23 | 重庆大学 | A kind of plane framework node loads and node area detrusion measurement apparatus |
| CN106680090A (en) * | 2017-01-19 | 2017-05-17 | 中国矿业大学 | Testing device and method for stability bearing capacity of steel angle X-braced panels |
| CN106680090B (en) * | 2017-01-19 | 2023-04-07 | 中国矿业大学 | Testing device and testing method for stable bearing capacity of angle steel crossed diagonal material |
| CN109632535A (en) * | 2018-12-21 | 2019-04-16 | 长安大学 | A kind of pseudo-static experimental method reflecting incentive action characteristic |
| CN109932168A (en) * | 2019-04-04 | 2019-06-25 | 中建一局集团第六建筑有限公司 | Large-span steel structure beam column joint test method |
| CN111257117A (en) * | 2020-02-13 | 2020-06-09 | 中南林业科技大学 | Steel-clamping-plate bolted-connection laminated wood hysteresis performance test device and test method |
| CN111257117B (en) * | 2020-02-13 | 2022-05-06 | 中南林业科技大学 | Steel-clamping-plate bolted-connection laminated wood hysteresis performance test device and test method |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130703 Effective date of abandoning: 20150701 |
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