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Multifunctional triaxial creep testing machine with soil body pulling, pressing, twisting and shearing functions

A three-axis creep and multi-functional technology, applied in the direction of testing the ductility of materials, etc., can solve the problems of single function of the testing instrument, too simple test stress path, and non-standard test reading methods, so as to improve the measurement accuracy and operation Standardized and convenient continuous collection and processing effect

Inactive Publication Date: 2013-06-12
XIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a multifunctional triaxial creep testing machine for soil tension, compression, torsional shearing, which solves the problem of single function of the testing instrument in the prior art, too simple test stress path, artificial graded loading, and test reading mode Irregular issues

Method used

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  • Multifunctional triaxial creep testing machine with soil body pulling, pressing, twisting and shearing functions
  • Multifunctional triaxial creep testing machine with soil body pulling, pressing, twisting and shearing functions
  • Multifunctional triaxial creep testing machine with soil body pulling, pressing, twisting and shearing functions

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Embodiment Construction

[0044] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0045] The structure of the multifunctional triaxial creep testing machine of the present invention is:

[0046] refer to figure 1 , figure 2 , including the equipment platform 2, the equipment platform 2 is installed on the main body base 1, the creep loading mechanism operation cabinet 3 is fixed on the equipment platform 2; the upper part of the creep loading mechanism operation cabinet 3 is fixed with a workbench 4 with a round hole in the center A pressure chamber base 5 is provided at the center of the upper surface of the workbench 4, and a lower loading column 8 is pierced through the central circular hole of the workbench 4 and the pressure chamber base 5; the lower surface of the workbench 4 is connected with a small bracket 6 and a large bracket 7, The small bracket 6 and the lower loading column 8 are hinged to the rotatable cr...

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Abstract

The invention discloses multifunctional triaxial creep testing machine with soil body pulling, pressing, twisting and shearing functions, which structurally comprises a main body part, power supply equipment, an axial loading and measuring mechanism, a torque loading and measuring mechanism, a volume-changed water level controlling and measuring mechanism, an ambient pressure loading and measuring mechanism, a pore pressure measuring mechanism, a creeping and loading mechanism, an axial displacement measuring mechanism and a lubricating mechanism. A torque separator can apply any combined axial action and torque action; a multifunctional lever part not only can apply a tension action to a sample through a lever, but also can apply a pressure action to the sample through the lever; and a detachable split volume-changed measuring water jacket structure is remarkably changed on the aspect of soil body sample body-changed measurement. The machine provided by the invention is simple in structure, convenient to operate and high in accuracy rate and success rate.

Description

technical field [0001] The invention belongs to the technical field of geotechnical engineering testing equipment, and relates to a multi-functional three-axis creep testing machine for soil tension, compression, torsional shearing. Background technique [0002] At present, the creep test of soil is mainly divided into two major research topics: microscopic and macroscopic. Among them, the research of microscopic creep test is to observe the microscopic structure of soil with the help of optical microscope or electronic scanning microscope, and use microscopic mechanism to To explain the creep characteristics of soil, but at present, only qualitative explanation can be done, and quantitative description is still difficult. [0003] The macroscopic creep test is divided into on-site creep test and indoor creep test. With the help of test instruments, through a series of test steps, the relationship between stress-strain-time of soil is studied to obtain the creep mechanical p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/28
Inventor 李荣建刘军定闫蕊吴利言
Owner XIAN UNIV OF TECH
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