CN202661344U - Horizontal loading test device for asymmetric-stiffness structure - Google Patents
Horizontal loading test device for asymmetric-stiffness structure Download PDFInfo
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- CN202661344U CN202661344U CN 201220285051 CN201220285051U CN202661344U CN 202661344 U CN202661344 U CN 202661344U CN 201220285051 CN201220285051 CN 201220285051 CN 201220285051 U CN201220285051 U CN 201220285051U CN 202661344 U CN202661344 U CN 202661344U
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Abstract
The utility model provides a horizontal loading test device for an asymmetric-stiffness structure, belonging to the technical field of building structure test. The test device consists of a force bearing system, a vertical lading system and two or more than two horizontal loading systems, wherein the force bearing system comprises a reaction wall, a pedestal, a bracket and a reaction beam, the vertical loading system comprises a vertical force jack, a vertical force sensor, a loading distribution beam and a horizontal sliding support, the two or more than two horizontal loading systems are arranged at the same horizontal height and can independently control loading, and each horizontal loading system comprises a horizontal force jack, a horizontal force sensor, a hinge connecting piece and a horizontal force transferring device consisting of a loading beam and a screw-nut set. The horizontal loading test device is reasonable in structure, strong in controllability and can be used for completing horizontal loading test on various asymmetric-stiffness structures.
Description
Technical field
The utility model is the test unit that a kind of rigidity dissymmetrical structure level loads, and belongs to the Architectural Structure Experimentation technical field.
Background technology
The scale of at present engineering structure test is increasing, except the test of single member, constantly has pair one-piece construction or minor structure to carry out the requirement of vast scale test.In shock test, often be subjected to the situation of geological process with the low Zhou Fanfu loading simulation practical structures of level.With respect to the identical symmetrical structure test specimen in the horizontal load(ing) point left and right sides, test method is comparatively ripe for structure self rigidity, and employing arranges distribution beam at the same level height and position, single-point loads and gets final product; And for the not identical dissymmetrical structure of both sides rigidity, if adopt said method to apply horizontal force, because of the asymmetry of test specimen outside horizontal loaded planar, in test unmanageable torsional deflection certainly will occur, thereby uncontrollable level loads, and causes and test can not be gone on.Therefore, the test unit that carries out the level loading for this rigidity dissymmetrical structure need to be arranged.This has great significance to improving engineering structure experimental study method.
Summary of the invention
The purpose of this utility model is for above-mentioned actual needs, proposes the test unit that a kind of rigidity dissymmetrical structure level loads, and can be applied in the Architectural Structure Experimentation its deformation performance of research test specimen.
The utility model is taked following technical scheme:
The test unit that a kind of rigidity dissymmetrical structure level loads, it mainly is comprised of load supporting system, vertical loading system and horizontal loading system; Load supporting system comprises as the counter force wall of testing laboratory's fixation means and pedestal, is fixed on the support on the pedestal and is fixed on the support and is positioned at the reaction beam for the treatment of geodesic structure test specimen top.Vertical loading system comprises vertical force lifting jack, vertical force sensor, loads distribution beam and horizontal slip bearing; The base of vertical force lifting jack is inverted by the horizontal slip bearing and is connected in the reaction beam lower surface; After the oil cylinder external part of vertical force lifting jack connects the vertical force sensor, act on downwards to be fixed on and treat the geodesic structure test specimen on the pedestal, treat that geodesic structure test specimen top directly applies or apply vertical force by loading distribution beam; Horizontal loading system is treated the geodesic structure test specimen and is applied horizontal loading by the desired level height setting of test, at the same level height two or more is set, and all can separate controlled loading; Each horizontal loading system comprises horizontal force jack, horizontal force sensor, hinge connector and the horizontal force transfer device that is comprised of horizontal loading beam and bolt and nut; The horizontal force transfer device of each horizontal loading system is treated on the geodesic structure test specimen by treating that with the horizontal loading beam of both sides, front and back and bolt and nut mode that the geodesic structure test specimen clamps is fixed on, guarantee the horizontal force of reciprocating is transmitted to test specimen, horizontal force jack is at one end fixed with counter force wall, the other end links to each other with the horizontal force transfer device with hinge connector by the horizontal force sensor, can realize treating the geodesic structure test specimen and independently control and apply horizontal applied force and measurement displacement; Each the horizontal loading system that arranges by this way forms to control jointly treats the translation of geodesic structure test specimen or the horizontal loading apparatus that reverses.
This test unit simple structure, arrange rationally, controllability is strong in the process of the test, can be used to rigidity dissymmetrical structure test specimen carrying out horizontal is loaded, until finish test.
Description of drawings
Fig. 1 is the minor structure specimen test charger synoptic diagram of framework and brickwork system framework;
Fig. 2 is the horizontal loading system vertical view of the minor structure test specimen of framework and brickwork system framework;
Fig. 3 is the minor structure test specimen horizontal force transfer device fragmentary detail view of framework and brickwork system framework;
Among the figure: 1, pedestal, 2, counter force wall, 3, reaction beam, 4, support, 5, ground anchor bolt, 6, the vertical force lifting jack, 7, the vertical force sensor, 8, vertically load distribution beam, 9, the horizontal slip bearing, 10, horizontal force jack, 11, horizontal force sensor, 12, horizontal loading beam, 13, hinge connector, 14, bolt and nut, 15, the minor structure test specimen of framework and brickwork system framework, 16, filled frame, 17, correct frame, 18, front end frame, 19, rearward end frame.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
The geodesic structure for the treatment of in the present embodiment is the minor structure test specimen 15 of framework and brickwork system framework.
During as the pseudo-static experimental under the horizontal force reciprocating of the minor structure of framework and brickwork system framework, its charger is comprised of load supporting system, the vertical loading system of front end, the vertical loading system in rear end, the horizontal loading system of left part, the horizontal loading system of right part as shown in Figure 1.Load supporting system be divided into pedestal 1, pedestal 1 right side counter force wall 2, be fixed on support 4 on the pedestal 1, be fixed on the reaction beam 3 on support 4 tops.The vertical loading system of front end mainly by vertical force lifting jack 6, vertical force sensor 7, vertically load distribution beam 8 and horizontal slip bearing 9 consists of.The position of vertical force lifting jack 6 is corresponding with the tip position of the minor structure test specimen 15 loaded planar front end frame 18 outward of framework and brickwork system framework.Vertical force lifting jack 6 be arranged between two capitals of the front end frame 18 outside the minor structure test specimen 15 horizontal loaded planar of framework and brickwork system framework above; The base of vertical force lifting jack 6 is inverted the lower surface that is connected in the reaction beam 3 on the support 4 by horizontal slip bearing 9, makes it to occur the slip along horizontal loading direction.The vertical force sensor 7 that the oil cylinder external part of vertical force lifting jack 6 passes through to connect acts on the vertical loading distribution beam 8 of the capital that is positioned over two ends, front end frame 18 left and right sides, and vertical pressure is put on capital, and realizes the measurement to vertical pressure.The vertical loading system in rear end with identical formation and the mode of transfer force of the vertical loading system of front end, vertical pressure is put on the capital at two ends, rearward end frame 19 left and right sides, and realizes the measurement to vertical pressure.The horizontal loading system of left part reaches the horizontal force transfer device that is comprised of horizontal loading beam 12 and bolt and nut 14 etc. by horizontal force jack 10, horizontal force sensor 11, hinge connector 13 and consists of.The horizontal force transfer device of horizontal loading system is fixed on precalculated position, filled frame 16 top in the horizontal loaded planar of test specimen by the mode that the minor structure test specimen 15 of framework and brickwork system framework is clamped with the horizontal loading beam 12 of both sides, front and back and bolt and nut 14, guarantees the horizontal force of reciprocating is transmitted to filled frame 16.Horizontal force jack 10 at one end is fixedly connected on predetermined level height with counter force wall 2, the other end links to each other by the horizontal force transfer device of the filled frame 16 respective horizontal height and positions in minor structure test specimen 15 loaded planar of horizontal force sensor 11 and hinge connector 13 and framework and brickwork system framework, can independently apply horizontal applied force to the filled frame 16 of the minor structure test specimen 15 of framework and brickwork system framework, and realize control and measure.The horizontal loading system of right part with identical formation and the mode of transfer force of the horizontal loading system of left part, the correct frame 17 in the horizontal loaded planar is independently applied horizontal applied force, and realizes control and measure.
The vertical view of horizontal loading system as shown in Figure 2, sustained height arranges two separate horizontal force loading systems, at one end be fixedly connected with counter force wall 2 by the horizontal force jack 10 of predetermined level height with the horizontal loading system of left part, the other end links to each other by the horizontal loading beam 12 of the filled frame 16 respective horizontal height and positions in horizontal force sensor 11 and minor structure test specimen 15 loaded planar that are arranged on the framework and brickwork system framework.The horizontal loading system of right part has identical formation and mode of transfer force with the horizontal loading system of left part.
Horizontal force transfer device fragmentary detail view as shown in Figure 3, it is comprised of horizontal loading beam 12, hinge connector 13 and bolt and nut 14 etc.Horizontal loading beam 12 forms with Plate Welding, holes on the steel plate, is processed into such as diagram shape, and the part 13 that is connected through the hinge is hinged with horizontal force sensor 11, can only rotate.
The above-mentioned description to embodiment is can understand and use the utility model for ease of those skilled in the art, as required this embodiment is made various modifications, and the General Principle in this explanation is applied among other embodiment.Therefore, the utility model is not limited to the embodiment here, according to announcement of the present utility model, and all should be within protection domain of the present utility model for improvement and modification that the utility model is made.
Claims (1)
1. the test unit that loads of a rigidity dissymmetrical structure level, it is characterized in that: it mainly is comprised of load supporting system, vertical loading system and horizontal loading system; Load supporting system comprises as the counter force wall of testing laboratory's fixation means and pedestal, is fixed on the support on the pedestal and is fixed on the support and is positioned at the reaction beam for the treatment of geodesic structure test specimen top; Vertical loading system comprises vertical force lifting jack, vertical force sensor, loads distribution beam and horizontal slip bearing; The base of vertical force lifting jack is inverted by the horizontal slip bearing and is connected in the reaction beam lower surface; After the oil cylinder external part of vertical force lifting jack connects the vertical force sensor, act on downwards to be fixed on and treat the geodesic structure test specimen on the pedestal, treat that geodesic structure test specimen top directly applies or apply vertical force by loading distribution beam; Horizontal loading system is treated the geodesic structure test specimen and is applied horizontal loading by the desired level height setting of test, at the same level height two or more is set, and all can separate controlled loading; Each horizontal loading system comprises horizontal force jack, horizontal force sensor, hinge connector and the horizontal force transfer device that is comprised of horizontal loading beam and bolt and nut; The horizontal force transfer device of each horizontal loading system is treated on the geodesic structure test specimen by treating that with the horizontal loading beam of both sides, front and back and bolt and nut mode that the geodesic structure test specimen clamps is fixed on, guarantee the horizontal force of reciprocating is transmitted to test specimen, horizontal force jack is at one end fixed with counter force wall, the other end links to each other with the horizontal force transfer device with hinge connector by the horizontal force sensor, can realize treating the geodesic structure test specimen and independently control and apply horizontal applied force and measurement displacement; Each the horizontal loading system that arranges by this way forms to control jointly treats the translation of geodesic structure test specimen or the horizontal loading apparatus that reverses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220285051 CN202661344U (en) | 2012-06-14 | 2012-06-14 | Horizontal loading test device for asymmetric-stiffness structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220285051 CN202661344U (en) | 2012-06-14 | 2012-06-14 | Horizontal loading test device for asymmetric-stiffness structure |
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| CN202661344U true CN202661344U (en) | 2013-01-09 |
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| CN 201220285051 Expired - Fee Related CN202661344U (en) | 2012-06-14 | 2012-06-14 | Horizontal loading test device for asymmetric-stiffness structure |
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Cited By (11)
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|---|---|---|---|---|
| CN108375504A (en) * | 2018-01-25 | 2018-08-07 | 河海大学 | A kind of anchorage formula reaction frame experimental rig suitable for underground space structure |
| CN109459314A (en) * | 2018-12-29 | 2019-03-12 | 华北理工大学 | The load of full size Seismic Performance of Concrete Frame and its lateral limiting device |
| CN110186746A (en) * | 2019-04-22 | 2019-08-30 | 浙江大学 | A kind of holding laterally and axially vertical structural test loading device and test method |
| CN110686966A (en) * | 2019-11-19 | 2020-01-14 | 华北水利水电大学 | Composite loading device for civil engineering experiments |
| CN110793769A (en) * | 2019-12-16 | 2020-02-14 | 兰州理工大学 | Civil engineering frame construction's test device |
| CN111521499A (en) * | 2020-05-21 | 2020-08-11 | 中国矿业大学(北京) | Device and method for asymmetric stress loading of deep-ground engineering similar physical simulation experiment |
| CN113109146A (en) * | 2021-03-24 | 2021-07-13 | 浙江工业大学 | Design method for upgrading plane loading frame system into space loading system |
| CN113495031A (en) * | 2020-03-20 | 2021-10-12 | 建研科技股份有限公司 | Assembled self-balancing loading device suitable for structural performance inspection |
| CN114279667A (en) * | 2022-03-07 | 2022-04-05 | 成都理工大学 | Pseudo-static anti-seismic test device and method for wallboard joint |
| CN114383829A (en) * | 2021-12-15 | 2022-04-22 | 江苏科技大学 | Ultimate strength test device of key node structure |
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2012
- 2012-06-14 CN CN 201220285051 patent/CN202661344U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375504A (en) * | 2018-01-25 | 2018-08-07 | 河海大学 | A kind of anchorage formula reaction frame experimental rig suitable for underground space structure |
| CN108375504B (en) * | 2018-01-25 | 2020-12-15 | 河海大学 | Anchorage type reaction frame test device suitable for underground space structure |
| CN109459314A (en) * | 2018-12-29 | 2019-03-12 | 华北理工大学 | The load of full size Seismic Performance of Concrete Frame and its lateral limiting device |
| CN109459314B (en) * | 2018-12-29 | 2023-11-17 | 华北理工大学 | Full-scale frame structure shock resistance loading and lateral limiting device thereof |
| CN110186746A (en) * | 2019-04-22 | 2019-08-30 | 浙江大学 | A kind of holding laterally and axially vertical structural test loading device and test method |
| CN110186746B (en) * | 2019-04-22 | 2024-03-26 | 浙江大学 | Structure test loading device and test method for keeping lateral direction and axial direction vertical |
| CN110686966A (en) * | 2019-11-19 | 2020-01-14 | 华北水利水电大学 | Composite loading device for civil engineering experiments |
| CN110793769A (en) * | 2019-12-16 | 2020-02-14 | 兰州理工大学 | Civil engineering frame construction's test device |
| CN113495031A (en) * | 2020-03-20 | 2021-10-12 | 建研科技股份有限公司 | Assembled self-balancing loading device suitable for structural performance inspection |
| CN111521499A (en) * | 2020-05-21 | 2020-08-11 | 中国矿业大学(北京) | Device and method for asymmetric stress loading of deep-ground engineering similar physical simulation experiment |
| CN113109146A (en) * | 2021-03-24 | 2021-07-13 | 浙江工业大学 | Design method for upgrading plane loading frame system into space loading system |
| CN114383829A (en) * | 2021-12-15 | 2022-04-22 | 江苏科技大学 | Ultimate strength test device of key node structure |
| CN114279667A (en) * | 2022-03-07 | 2022-04-05 | 成都理工大学 | Pseudo-static anti-seismic test device and method for wallboard joint |
| US11714025B1 (en) | 2022-03-07 | 2023-08-01 | Chengdu University Of Technology | Pseudo-static test device and method for seismic behavior of connection joints of wallboard |
| CN115142689A (en) * | 2022-08-01 | 2022-10-04 | 东南大学 | Tension and compression dual-purpose support releasing device capable of sliding laterally and releasing method |
| CN115142689B (en) * | 2022-08-01 | 2023-09-29 | 东南大学 | Pulling and pressing dual-purpose support release device capable of sliding laterally and release method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20130614 |