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Large geotechnical triaxial creep test system

A technology of triaxial creep and test system, applied in the field of creep test system, can solve the problems of continuous noise, noise pollution of surrounding environment, low reliability, etc., and achieve the effect of reducing noise pollution and improving reliability

Inactive Publication Date: 2013-10-09
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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Problems solved by technology

This technology relies heavily on power, especially when the power cannot be maintained, it is difficult to meet the requirements of maintaining a constant load for a long time, and it produces continuous noise, causing serious noise pollution to the surrounding environment
[0004] In addition, the existing three-axis creep tester generally only uses conventional measuring instruments to collect experimental data, and the reliability is not high

Method used

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Embodiment Construction

[0030] The present invention will be described in detail below in conjunction with the implementations shown in the drawings, but it should be noted that these implementations are not limitations of the present invention, and those of ordinary skill in the art based on the functions, methods, or structural changes made by these implementations Equivalent transformations or substitutions all fall within the protection scope of the present invention.

[0031] ginseng figure 1 as shown, figure 1 It is a schematic diagram of the large-scale geotechnical triaxial creep test system of the present invention.

[0032] In this embodiment, the large geotechnical triaxial creep test system includes:

[0033] Main engine 1, the main engine 1 is equipped with an axial loading cylinder 101 and a surrounding loading cylinder 102, the axial loading cylinder 101 is equipped with an axial pressure displacement sensor 103, and the surrounding loading cylinder 102 is equipped with a surrounding...

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Abstract

The invention provides a large geotechnical triaxial creep test system, comprising a host computer, a triaxial pressure chamber, an axial weight loading device, an axial-pressure servo loading cylinder, an axial-pressure hydraulic source, a peripheral weight loading device, a peripheral-pressure servo loading cylinder, a peripheral-pressure hydraulic source, a vapor system and a computer measurement and control system, wherein an axial loading cylinder and a peripheral loading cylinder are arranged on the host computer; an axial-pressure displacement sensor is arranged on the axial loading cylinder; a peripheral-pressure displacement sensor is arranged on the peripheral loading cylinder; a first load sensor and a second load sensor are arranged below the axial loading cylinder; the triaxial pressure chamber is arranged inside the host computer and connected with the second load sensor; an axial-pressure servo motor is arranged on the axial-pressure servo loading cylinder; and a peripheral-pressure servo motor is arranged on the peripheral-pressure servo loading cylinder. By adopting the large geotechnical triaxial creep test system with the structure, long-term keeping of constant pressure is ensured; noise pollution is reduced; and meanwhile, the reliability is improved.

Description

technical field [0001] The invention relates to a creep test system, in particular to a large geotechnical triaxial creep test system. Background technique [0002] In the soil engineering test, the triaxial creep tester has become an indispensable and common instrument for measuring the deformation index of rock and soil. Creep (rheological) tests of geotechnical engineering materials require the measurement of the deformation properties of specimens under constant load conditions for a long period of time. [0003] The existing constant load technology generally provides long-term constant pressure through air compressors, oil sources, ball screws, or a closed-loop system. This technology relies heavily on power, especially when the power cannot be maintained, it is difficult to meet the requirements of maintaining a constant load for a long time, and it produces continuous noise, causing serious noise pollution to the surrounding environment. [0004] In addition, the e...

Claims

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Application Information

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IPC IPC(8): G01N3/12G01N3/02
Inventor 汪小刚温彦锋李海芳于涛陈宁张栓旺郑鲁平蔡红周晓光于浦龙
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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