Geomechanical model test device adopting a self-balancing double-loading mode and test method

A model test device, geomechanics technology, applied in measuring devices, using stable tension/pressure to test the strength of materials, scientific instruments, etc. Dismantling, ensuring stability and uniformity, easy excavation effect

Pending Publication Date: 2020-09-15
CHANGAN UNIV +2
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Problems solved by technology

In addition, the traditional geomechanics model test device has the disadvantages of large equipment, immovability, and the need f

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  • Geomechanical model test device adopting a self-balancing double-loading mode and test method
  • Geomechanical model test device adopting a self-balancing double-loading mode and test method
  • Geomechanical model test device adopting a self-balancing double-loading mode and test method

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[0047] It should be pointed out that the following detailed descriptions are all illustrative and are intended to provide further explanations for the application. Unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs.

[0048] It should be noted that the terms used here are only for describing specific implementations, and are not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate There are features, steps, operations, devices, components, and / or combinations thereof.

[0049] Such as figure 1 with figure 2 As shown, the self-balanced ...

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Abstract

The invention relates to a geomechanical model test device adopting a self-balancing double-loading mode and a test method. The geomechanical model test device comprises a force bearing rack, a base plate, a bottom plate, a counter-force plate, a gravity balancing weight, bolts, an isolation plate, a hydraulic jack, a hydraulic workstation and a servo controller. The force bearing rack is formed by welding rectangular square steel, the rigidity requirement of the device is met, and meanwhile the isolation plate is convenient to install and place. The base plate is located above a test body andbelow the jack (balancing weight), and therefore it is guaranteed that loads are evenly transmitted to the test body in the test process. Connecting holes are reserved in the force bearing rack and the counter-force plate, and the force bearing rack and the counter-force plate are spliced through the bolts, so that the requirements of tests on different loading modes are met. The device is simplein structure and reusable, migration of an experimental device can be realized without position limitation, and the device can realize quick and accurate loading and can also realize a long-term stable loading and unloading mode.

Description

technical field [0001] The invention relates to a geomechanics model test system, in particular to a self-balancing double-loading mode geomechanics model test device and method. Background technique [0002] With the development of economy and the increase of traffic volume, my country has become the country with the largest scale, largest number and fastest construction speed of tunnel projects in the world. Due to the complexity of geological conditions, the periodicity of ambient temperature and the characteristics of structural materials, it is very easy to cause disasters such as landslides in the tunnel construction stage, cracking and falling of linings in the operation stage. Therefore, mastering the deformation law and failure mechanism of tunnels under different loads and factors and how to take effective measures have become one of the core issues restricting the development of tunnels. For these problems, there are mainly theoretical analysis, numerical simulat...

Claims

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Application Information

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IPC IPC(8): G01N3/12G01N3/14G01N3/02
CPCG01N3/02G01N3/12G01N3/14G01N2203/0019G01N2203/0033G01N2203/0048
Inventor 罗彦斌陈建勋徐子龙王传武邵汉祥袁江鹏李九超万利施昌龄唐兵生崔泽强臧春雷刘成龙
Owner CHANGAN UNIV
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