Direct shear and composite shear test device

A test device and shear box technology, applied in the direction of measuring device, using stable shear force to test the strength of materials, instruments, etc., to achieve safety guarantee and reduce the effect of direct shear test error

Pending Publication Date: 2019-10-22
GUANGXI UNIVERSITY OF TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, based on the lack of a reasonable set of direct shear and composite shear loading devices, it is necessary to develop a direct shear and composite shear test device to study the shear strength and shear strength of materials under direct shear and composite shear. Performance, revealing the shear failure mechanism of the structure, and providing a theoretical basis for guiding engineering practice

Method used

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Embodiment Construction

[0025] The specific implementation of the invention will be further described below in conjunction with the accompanying drawings.

[0026] Such as figure 1 and figure 2 As shown, a direct shear and composite shear test device includes a reaction force frame 19, a shear assembly, a drive assembly, a drive assembly, and a parameter acquisition assembly.

[0027] The shearing assembly is arranged in the reaction force frame 19, and the shearing assembly includes the first base 2, the first lower ball plate 3, the lower shear box 7, the first backing plate 12, the upper ball plate 13 and the second Two backing plates 14; the first base 2 is fixed on the ground, the first lower ball plate 3 is set on the top of the first base 2, and the lower shear box 7 is set On the top of the first lower ball plate 3, the first lower ball plate 3, the second lower ball plate 4 and the upper ball plate 13 respectively include a frame, and several fixed shafts are arranged side by side in the ...

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Abstract

The invention discloses a direct shear and composite shear test device and belongs to the field of civil engineering test equipment. The direct shear and composite shear test device comprises a shearassembly. The shear assembly is arranged in a counterforce frame. The shear assembly comprises a first base, a first lower roll ball plate, a lower shear box, a first pad plate, an upper roll ball plate and a second pad plate. The first base is fixedly arranged on the ground; the first lower roll ball plate is arranged on the top portion of the first base; the lower shear box is arranged on the top portion of the first lower roll ball plate; the lower shear box can slide along the length direction of the first lower roll ball plate; the lower shear box is provided with an accommodation tank with an upward opening; an upper shear box is arranged on the top of the lower shear box; and the upper shear box and the lower shear box can slide oppositely in the length direction of the first lowerroll ball plate. The device provides a reliable means for structural design in obtaining shear strength, shear deformation, shear modulus and the like, thereby providing a guarantee for improving structure safety.

Description

technical field [0001] The invention belongs to the field of civil engineering test equipment, in particular to a direct shear and compound shear test device. Background technique [0002] The strength and deformation of the specimen under the action of direct shear and combined shear is an important mechanical property. Revealing the failure mechanism of the structure during the shear process is not only of great significance to the mechanical failure analysis of the structure, but also to guide the design of engineering structures. very important. It can be seen from the literature at home and abroad that due to limited conditions, there is no special test equipment, resulting in very little experimental research on the specimen under shear, so the only way to form the shear weak surface is by processing the specimen, that is, using a rectangular short beam Direct shear, Z-shaped specimen with single shear plane, four-point force on notched beam, and thin-walled cylinder ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/24G01N3/02
CPCG01N3/02G01N3/24G01N2203/0025G01N2203/0048G01N2203/0252G01N2203/0676G01N2203/0682
Inventor 陈宇良刘杰吴辉琴陈宗平晏方梁鑫李青
Owner GUANGXI UNIVERSITY OF TECHNOLOGY
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