CN103033385A - Device and method of self-balancing portable automatic control shear wall horizontal vertical load common effect performance test - Google Patents
Device and method of self-balancing portable automatic control shear wall horizontal vertical load common effect performance test Download PDFInfo
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- CN103033385A CN103033385A CN2012105648755A CN201210564875A CN103033385A CN 103033385 A CN103033385 A CN 103033385A CN 2012105648755 A CN2012105648755 A CN 2012105648755A CN 201210564875 A CN201210564875 A CN 201210564875A CN 103033385 A CN103033385 A CN 103033385A
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Abstract
The invention discloses a device and a method of a self-balancing portable automatic control shear wall horizontal vertical load common effect performance test. The testing device comprises a loading frame device, a test-piece fixing device, a test-piece loading device and a data collection system. The loading frame device comprises a ladder-shaped horizontal counterforce frame, an H-shaped steel girder bearing platform, a beam, an upright and a prestressing force wire rope. The lower end of the ladder-shaped horizontal counterforce frame is fixedly connected with one end of the H-shaped steel girder bearing platform, the upper end of the ladder-shaped horizontal counterforce frame is fixedly connected with one end of the beam, and the prestressing force wire rope is arranged in the ladder-shaped horizontal counterforce frame. The test-piece fixing device comprises two triangular steel frames, two fixing actuators and two sets of steel plates, wherein the triangular steel frames are fixed on the H-shaped steel girder bearing platform, and each triangular steel frame is connected with one fixing actuator. The device and the method of the self-balancing portable automatic control shear wall horizontal vertical load common effect performance test has the advantages of being simple in structure, convenient to disassemble, lower than before in needed materials, not only suitable for scientific research, but also suitable for test on hysteretic performance of a shear wall test-piece in a construction site.
Description
Technical field
The present invention relates to the Portable Automatic control shear wall horizontal vertical load acting in conjunction performance test apparatus of a kind of self-equilibrating and method, belong to the concrete construction field.
Background technology
In the field of civil engineering, shear wall is as the main lateral resistant member of structure, and it is very important studying its Hysteresis Behavior.
In the test of research concrete shear force wall Hysteresis Behavior, mainly be to apply vertical force by lifting jack at present, when still under horizontal loads sidesway occuring along with body of wall, lifting jack produces test error with test specimen generation sidesway; In loading procedure, the sidesway of test specimen bottom also produces larger impact to test accuracy.
Summary of the invention
The invention provides the Portable Automatic control shear wall horizontal vertical load acting in conjunction performance test apparatus of a kind of self-equilibrating and method, this device assembling is simple, easy to operate, it is less to test required instrument, can test at the scene of building, as long as carry out partial disassembly and assembling, easy to operate.
In order to realize above-mentioned technical matters, the present invention is by the following technical solutions: a kind of self-equilibrating Portable Automatic control shear wall level and vertical load acting in conjunction performance test apparatus is characterized in that: comprise loading frame device, test piece fixing device, test specimen charger and data acquisition system (DAS); Described loading frame device comprises trapezoid horizontal reaction frame, i-shape steel beam cushion cap, crossbeam, column and prestressed cable, the lower end of described trapezoid horizontal reaction frame is fixedly connected with an end of i-shape steel beam cushion cap, the upper end of trapezoid horizontal reaction frame is fixedly connected with an end of crossbeam, is fixedly connected with described column at the other end of crossbeam and the other end of i-shape steel beam cushion cap; Described prestressed cable is arranged in the trapezoid horizontal reaction frame; Described test piece fixing device comprises two triangle steelframes, two fixedly actuator and two cover steel clamp plates, and wherein the triangle steelframe is fixed on the described i-shape steel beam cushion cap, connects a described fixedly actuator at each triangle steelframe; Described test specimen charger comprises: horizontal actuator, three vertical actuator, hydraulic oil source, controller, horizontal loading sensor, vertical load sensor and displacement transducers, described horizontal actuator one end is connected with the trapezoid horizontal reaction frame by ball pivot, the horizontal actuator other end is connected with the steel clamp plate by ball pivot, described horizontal loading sensor is set between horizontal actuator and steel clamp plate, described three vertical actuator are connected with crossbeam by ball pivot, and described vertical load sensor is connected with vertical actuator; Described horizontal actuator with are connected a vertical actuator and are connected with hydraulic oil source by the special oil pipe of actuator respectively; Described data acquisition system (DAS) comprises: controller, hyperchannel strain acquirement instrument and computer, described horizontal loading sensor, vertical load sensor are connected with displacement transducer by wire and are connected with hyperchannel strain acquirement instrument.
Described hydraulic oil source, controller, hyperchannel strain acquirement instrument, computer expert cross data line and connect.
End face at shear wall body is placed with the polyfluortetraethylene plate that pulley is installed.
The assay method of self-equilibrating Portable Automatic control shear wall level and vertical load acting in conjunction performance test apparatus, step is as follows:
The first step: the trapezoid horizontal reaction frame is connected and fixed with ground anchor bolt and ground, again the i-shape steel beam cushion cap is connected and fixed by high-strength bolt and ground anchor bolt and trapezoid horizontal reaction frame and ground respectively; Then adopt high-strength bolt to be connected with between crossbeam, column and trapezoid horizontal reaction frame, the i-shape steel beam cushion cap, and by prestressed cable the trapezoid horizontal reaction frame is applied prestress;
Second step: horizontal actuator is connected with the trapezoid horizontal reaction 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 clamp plate with ball pivot by high-strength bolt, then three vertical actuator are connected with crossbeam with ball pivot by high-strength bolt, and with the vertical load sensor by high-strength bolt and vertical actuator, the polyfluortetraethylene plate that pulley is installed connects, horizontal actuator with are connected a vertical actuator and are connected with hydraulic oil source by the actuator application tube respectively, and with hydraulic oil source, controller, hyperchannel strain acquirement instrument, the computer expert crosses data line and connects;
The 3rd step: the shear wall test specimen is fixed on the i-shape steel beam cushion cap by bottom anchor bolt and body of bolt, by both sides triangle reaction frame and fixedly actuator apply power, prevent the test specimen sidesway, regulate the stroke of horizontal actuator behind correct position by computer and controller, clamp both sides steel clamp plate, the body of bolt that interts is also used bolt tightening; The polyfluortetraethylene plate that pulley is installed is put into the top of test specimen.Displacement transducer is placed into preposition, and horizontal loading sensor, vertical load sensor, displacement transducer 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, then load the horizontal actuator of system control according to horizontal loading and apply the horizontal reciprocating load, until test specimen destruction, and talking computer and the horizontal force P and the displacement S that cross in the hyperchannel strain acquirement instrument process of the test;
The 5th step: according to the horizontal shift S at the horizontal force P that records in the process of the test and horizontal force action point place, make the hysteresis loop of test specimen.
Compared with prior art, the invention has the beneficial effects as follows:
1, proving installation vertical load of the present invention and horizontal loading all adopt actuator to load, but the stroke of flexible actuator, in loading procedure, realize high precision control by computer, simultaneously in the test specimen two bottom sides fixedly actuator is set, can prevent that effectively test specimen is moved in test process, measuring accuracy is high.
2, apparatus of the present invention assembling is simple, and easy to operate, it is less to test required instrument, can test at the scene of building, as long as carry out partial disassembly and assembling, easy to operate.
Description of drawings
Fig. 1 is the single unit system figure of proving installation of the present invention.
Fig. 2 is the charger figure of proving installation of the present invention.
The test specimen anchoring synoptic diagram of Fig. 3 proving installation of the present invention
Fig. 4 is displacement transducer arrangenent diagram of the present invention.
Wherein: 1-trapezoid horizontal reaction frame; 2-i-shape steel beam cushion cap; 3-crossbeam; 4-column; 5-high-strength bolt; 6-prestressed cable; 7-triangle steelframe; 8-fixedly actuator; 9-steel clamp plate; The 10-body of bolt; 11-bottom anchor body of bolt; 12-fixed load sensor; 13-horizontal actuator; 14-vertical actuator; 15-hydraulic oil source; 16-controller; 17-horizontal loading sensor; 18-vertical load sensor; 19-displacement transducer; 20-large ball pivot; The little ball pivot of 21-; 22-oil pipe; 23-quad; 24-hyperchannel strain acquirement instrument; 25-computer; 26-quad; 27-polyfluortetraethylene plate.
Embodiment
Below in conjunction with accompanying drawing, the present invention is elaborated:
Shown in Figure 1, self-equilibrating of the present invention Portable Automatic control shear wall level and vertical load acting in conjunction performance test apparatus comprise loading frame device, test piece fixing device, test specimen charger, data acquisition system (DAS).
The loading frame device comprises trapezoid horizontal reaction frame 1, i-shape steel beam cushion cap 2, crossbeam 3, column 4, prestressed cable 6.Adopt high-strength bolt 5 to be connected between trapezoid horizontal reaction frame 1 and the i-shape steel beam cushion cap 2, adopt high-strength bolt 5 to be connected between crossbeam 3, column 4 and trapezoid horizontal reaction frame 1, the i-shape steel beam cushion cap 2 so that assembly unit and transportation, trapezoid horizontal reaction frame 1 applies prestress by prestressed cable 6.
Fixedly actuator 8 and two cover steel clamp plates 9, body of bolt 10 and bottom anchor body of bolt 11 form test piece fixing device by two triangle steelframes 7, two.
Two triangle steelframes 7 and two fixedly actuator 8 are bolted, and are with bolts between i-shape steel beam cushion cap 2 and two the triangle steelframes 7.
The test specimen charger comprises: horizontal actuator 13, three vertical actuator 14, hydraulic oil source 16, controller 16, horizontal loading sensor 17, vertical load sensor 18, displacement transducer 19, described horizontal actuator 13 is connected with trapezoid horizontal reaction frame 1 with the ball pivot of being connected 20 by high-strength bolt 5, horizontal loading sensor 17 is connected with horizontal actuator 13 by high-strength bolt 5, and be connected with steel clamp plate 9 with the ball pivot of being connected 20 by high-strength bolt 5, described three vertical actuator 14 be connecteds 21 by high-strength bolt 5 and are connected with crossbeam 3 with bead, described vertical load sensor 18 passes through high-strength bolt 5 and is connected with vertical actuator 14.
Data acquisition system (DAS) comprises: controller 16, hyperchannel strain acquirement instrument 24, computer 25, force feed source 15, controller 16, hyperchannel strain acquirement instrument 24 and computer 25 connect by data line 2.
Claims (4)
1. a self-equilibrating Portable Automatic control shear wall level and vertical load acting in conjunction performance test apparatus is characterized in that: comprise loading frame device, test piece fixing device, test specimen charger and data acquisition system (DAS); Described loading frame device comprises trapezoid horizontal reaction frame (1), i-shape steel beam cushion cap (2), crossbeam (3), column (4) and prestressed cable (6), the lower end of described trapezoid horizontal reaction frame (1) is fixedly connected with an end of i-shape steel beam cushion cap (2), the upper end of trapezoid horizontal reaction frame (1) is fixedly connected with an end of crossbeam (3), is fixedly connected with described column (4) at the other end of crossbeam (3) and the other end of i-shape steel beam cushion cap (2); Described prestressed cable (6) is arranged in the trapezoid horizontal reaction frame (1); Described test piece fixing device comprises two triangle steelframes (7), two fixedly actuator (8) and two cover steel clamp plates (9), wherein triangle steelframe (7) is fixed on the described i-shape steel beam cushion cap (2), connects a described fixedly actuator (8) at each triangle steelframe (7); Described test specimen charger comprises: horizontal actuator (13), three vertical actuator (14), hydraulic oil source (15), controller (16), horizontal loading sensor (17), vertical load sensor (18) and displacement transducer (19), described horizontal actuator (13) one ends are connected with trapezoid horizontal reaction frame (1) by large ball pivot (20), horizontal actuator (13) other end is connected with steel clamp plate (9) by large ball pivot (20), between horizontal actuator (13) and steel clamp plate (9), described horizontal loading sensor (17) is set, described three vertical actuator (14) are connected with crossbeam (3) by little ball pivot (21), and described vertical load sensor (18) is connected with vertical actuator (14); Described horizontal actuator (13) with are connected a vertical actuator (14) and are connected with hydraulic oil source (15) by actuator application tube (22) respectively; Described data acquisition system (DAS) comprises: controller (16), hyperchannel strain acquirement instrument (24) and computer (25), described horizontal loading sensor (17), vertical load sensor (18) are connected 19 with displacement transducer) be connected with hyperchannel strain acquirement instrument (24) by wire (23) respectively.
2. the horizontal vertical load acting in conjunction of the Portable Automatic control shear wall of self-equilibrating according to claim 1 performance test apparatus is characterized in that: described hydraulic oil source (15), controller (16), hyperchannel strain acquirement instrument (24), computer (25) connect by data line (2).
3. the horizontal vertical load acting in conjunction of the Portable Automatic control shear wall of self-equilibrating according to claim 1 performance test apparatus is characterized in that: at the end face of test specimen polyfluortetraethylene plate (27) with pulley is installed.
4. assay method that adopts self-equilibrating claimed in claim 1 Portable Automatic control shear wall level and vertical load acting in conjunction performance test apparatus, it is characterized in that: step is as follows:
The first step: trapezoid horizontal reaction frame (1) is connected and fixed with ground anchor bolt (28) and ground, again i-shape steel beam cushion cap (2) is connected and fixed with trapezoid horizontal reaction frame (1) and ground by high-strength bolt (5) and ground anchor bolt (28) respectively; Then adopt high-strength bolt (5) to be connected with between crossbeam (3), column (4) and trapezoid horizontal reaction frame (1), the i-shape steel beam cushion cap (2), and by prestressed cable (6) trapezoid horizontal reaction frame (1) is applied prestress;
Second step: horizontal actuator (13) is connected with trapezoid horizontal reaction frame (1) with the ball pivot of being connected (20) by high-strength bolt (5), horizontal loading sensor (17) is connected with horizontal actuator (13) by high-strength bolt (5), and be connected with steel clamp plate (9) with the ball pivot of being connected (20) by high-strength bolt (5), then with three vertical actuator (14) by high-strength bolt (5) be connected ball pivot (21) and be connected with crossbeam (3), and with vertical load sensor (18) by high-strength bolt (5) and vertical actuator (14), polyfluortetraethylene plate (27) connects, horizontal actuator (13) with are connected a vertical actuator (14) and are connected with hydraulic oil source (15) by actuator application tube (22) respectively, and with hydraulic oil source (15), controller (16), hyperchannel strain acquirement instrument (24), computer (25) connects by data line (26);
The 3rd step: the shear wall test specimen is fixed on the i-shape steel beam cushion cap (2) by bottom anchor bolt and body of bolt, by both sides triangle reaction frames (7) and fixedly actuator (9) apply power, prevent the test specimen sidesway, regulate the stroke of horizontal actuator (13) behind correct position by computer (25) and controller (16), clamp both sides steel clamp plates (9), the body of bolt (10) that interts is also used bolt tightening; The stroke of regulating again vertical actuator (14) is put into polyfluortetraethylene plate (27) at the top of test specimen, displacement transducer (19) is placed into preposition, and horizontal loading sensor (17), vertical load sensor (18), displacement transducer (19) are connected on the hyperchannel strain acquirement instrument (24) by quad (23);
The 4th step: when needs are tested, control vertical actuator (14) by computer (25) and controller (16) and apply vertical load to predetermined value, then load the horizontal actuator of system control (13) according to horizontal loading and apply the horizontal reciprocating load, until test specimen destruction, and horizontal force P and displacement S in talking computer (25) and mistake hyperchannel strain acquirement instrument (24) process of the test;
The 5th step: according to the horizontal shift S at the horizontal force P that records in the process of the test and horizontal force action point place, make the hysteresis loop of test specimen.
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| CN201210564875.5A CN103033385B (en) | 2012-12-24 | 2012-12-24 | Device and method of self-balancing portable automatic control shear wall horizontal vertical load common effect performance test |
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| CN104483046A (en) * | 2014-11-27 | 2015-04-01 | 清华大学 | Novel shear force measuring device and measuring method |
| CN105841949A (en) * | 2016-05-16 | 2016-08-10 | 西安建筑科技大学 | Automatic control device and method for testing performance of flange node under bidirectional load combined action |
| CN106404520A (en) * | 2015-07-29 | 2017-02-15 | 哈尔滨飞机工业集团有限责任公司 | Web beam structure anti-destabilization clamper under fatigue shear load effect |
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