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Dynamic performance test apparatus of buildings under lateral impact uniform distribution dynamic load

A test device, lateral impact technology, used in impact testing, measuring devices, testing of machine/structural components, etc., to solve problems such as inability to test dynamic response characteristics

Inactive Publication Date: 2016-07-20
PLA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, due to its specific structure, it is impossible to test the dynamic response characteristics of the building under the action of transverse impact uniform dynamic load

Method used

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  • Dynamic performance test apparatus of buildings under lateral impact uniform distribution dynamic load
  • Dynamic performance test apparatus of buildings under lateral impact uniform distribution dynamic load
  • Dynamic performance test apparatus of buildings under lateral impact uniform distribution dynamic load

Examples

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Embodiment Construction

[0018] Such as figure 1 , 2 . As shown in 3, the test device for dynamic performance of building lateral impact uniformly distributed dynamic load of the present invention is used to test the dynamic response characteristics of building 1 under the action of laterally uniformly distributed dynamic load.

[0019] It includes two mutually parallel pillars 31, 32, one end of which is vertically fixed on the horizontal foundation 2, and a crossbeam 4, which is horizontally arranged between the two pillars 31, 32, and the two ends of the crossbeam 4 are clearance fit respectively. Through the upper part of the two pillars 31, 32 cylinders, the plane where the two pillars 31, 32 and the crossbeam 4 are located is parallel to the wall surface 11 of the building to be tested, and a baffle frame 5 is arranged between the two pillars 31, 32 and the crossbeam 4 , one end of the baffle frame 5 is close to the wall surface 11 to be tested, and both sides are fixedly connected with two pil...

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Abstract

The invention discloses a dynamic performance test apparatus of buildings under lateral impact uniform distribution dynamic load. The apparatus includes: pillars (31, 32), a crossbeam (4), a baffle frame (5). The pillars (31, 32) are fixed on a foundation (2). The crossbeam (4) has two ends which separately penetrates an upper part of the two pillars (31, 32) in clearance fit. The baffle frame (5) has one end which clings to a wall surface (11) and has two sides which are in fixed connection to the two pillars (31, 32). The baffle frame (5) is provided therein with a distribution steel plate (6) which moves back and forth with respect to the wall surface (11). An air bag (7) is arranged between the distribution steel plate (6) and the wall surface to be tested. The middle part of the crossbeam (4) is fixedly connected to a rigid cantilever (8) which is perpendicular to the crossbeam (4). The other end of the cantilever (8) is fixedly connected to a pendulum (9). When the cantilever (8) is disposed vertically, the pendulum (9) and the middle part of the distribution steel plate (6) are in contact. According to the invention, the method can accurately test dynamic response characteristic of buildings under lateral impact uniform distribution dynamic load.

Description

technical field [0001] The invention belongs to the technical field of mechanical testing of building structures, in particular to a dynamic performance testing device capable of testing the dynamic response characteristics of buildings under the action of transverse impact uniformly distributed dynamic loads. Background technique [0002] Due to the frequent occurrence of accidental explosion disasters such as gas explosions and terrorist attacks, buildings are often damaged. Exploring the dynamic response of buildings under blast loads has become a research hotspot. In the range of common proportional blast distances, the blast loads on buildings are generally considered to be uniformly distributed dynamic loads. Due to the difficulty and high cost of field explosion tests, the industry has been committed to finding a test method for simulating uniformly distributed dynamic loads (explosions) on structures within the laboratory. [0003] At present, the devices for simul...

Claims

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Application Information

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IPC IPC(8): G01M7/08
CPCG01M7/08
Inventor 陈力吴世焘方秦相恒波潘腾张亚栋
Owner PLA UNIV OF SCI & TECH
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