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Wall-type component lateral support device and low cycle repeated loading test device

A technology of lateral support and test equipment, which is applied in the testing of machines/structural components, measuring devices, testing of mechanical components, etc. It can solve problems such as eccentricity and torsion, large errors in test data, and deformation of structures under stress

Inactive Publication Date: 2019-05-03
INNER MONGOLIA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the loading device of the low-cycle repeated loading test device includes a horizontal loading device and a vertical loading device. In the prior art, since the loading end of the loading device is fixed, the wall member to be tested is subjected to low-cycle repeated loading during the loading process. It is very easy to cause serious eccentricity and torsion due to lack of lateral support, and it is also easy to limit the structural deformation due to excessive restraint, which makes the error of the test data large and it is difficult to obtain more accurate test data

Method used

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  • Wall-type component lateral support device and low cycle repeated loading test device
  • Wall-type component lateral support device and low cycle repeated loading test device
  • Wall-type component lateral support device and low cycle repeated loading test device

Examples

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Embodiment 1

[0034] refer to Figure 1 to Figure 3 , the present embodiment provides a lateral support device for a wall structure, which includes at least one connecting bracket 20 , a pair of lateral supports 10 and two sets of pulleys 30 .

[0035] One end of each lateral support body 10 is perpendicular to its length direction and is provided with pulley block 30, and described pulley block 30 can press against the surface of the wall type component to be tested and can apply vertical or horizontal force to the wall type component to be tested in the loading device Rotate downward, the other end of the lateral support 10 is a free end, which can be embedded in the lateral support beam in the low cycle repeated loading test device.

[0036] In this embodiment, the lateral support body 10 includes two pillars A11 and a connecting pillar 12, the pillars A11 and the connecting pillar 12 form an A-shaped lateral supporting body, between the two pillars A11, the pillar A11 Both are connecte...

Embodiment 2

[0043] Such as Figure 4 and Figure 5 As shown, this embodiment provides a low-cycle repeated loading test device suitable for wall components, which includes a reaction force frame 40 and at least two Lateral support beams 60 .

[0044]Wherein, the reaction force frame 40 is built with a wall member 50 to be tested, and is equipped with a vertical load loading device 71 and a horizontal load loading device 72 . The lateral support beam 60 is installed symmetrically on both sides of the wall member 50 to be tested; The test wall member 50 rotates under a vertical or horizontal force, and the free end of the lateral support 10 is embedded in the lateral support beam 60 .

[0045] In this embodiment, the lateral support beam 60 is I-shaped steel, and the free end of the lateral support body 10 is embedded in the inner surface of the groove body of the lateral support beam 60, so that the lateral support body 10 can be stressed more stable and reliable.

[0046] In this emb...

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Abstract

The invention provides a wall-type component lateral support device and a low cycle repeated loading test device. The lateral support device comprises one pair of lateral support bodies. One pair of lateral support bodies is fixedly connected through a connection support. One end of each lateral support body is vertical to a pulley group arranged along a length direction. The pulley group can be pressed against the surface of a wall-type component to be tested and can be rotated under the vertical or horizontal force applied by a loading device to the wall-type component to be tested. The other end of the lateral support body is a free end. The free end can be embedded in the lateral support beam of the low cycle repeated loading test device. By using the wall-type component lateral support device, a practical problem that the wall-type component to be tested is not deformed or twisted in a same plane during a low cycle repeated loading test process is solved, and the accuracy and thereliability of a test are effectively increased.

Description

technical field [0001] The invention relates to the technical field of low-cycle repeated loading test equipment, in particular to a lateral support device for a wall-type component and a low-cycle repeated loading test device. Background technique [0002] The low-cycle repeated loading test, also known as the static test or quasi-static test, refers to the low-cycle repeated loading of the wall components to be tested by controlling the load or displacement to study the recovery characteristics and The energy dissipation capacity, and then judge and appraise the seismic performance of the wall components to be tested from the three aspects of strength, deformation and energy, and provide a basis for improving the seismic design method and modifying the seismic design of buildings. [0003] At present, the loading device of the low-cycle repeated loading test device includes a horizontal loading device and a vertical loading device. In the prior art, since the loading end o...

Claims

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Application Information

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IPC IPC(8): G01N3/22G01N3/32G01N3/04G01M13/00
Inventor 闻洋李斌陈明杨圣春
Owner INNER MONGOLIA UNIV OF SCI & TECH
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