Seismic oscillation simulation testing machine for macroscopic and microscopic damage joint tracking of rock mass and method thereof

A macro-micro, ground-vibration technology, applied in the direction of applying stable tension/pressure to test the strength of materials, instruments, measuring devices, etc.

Inactive Publication Date: 2016-10-26
SHANDONG UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

Liu Yonglu (Research on the application of digital image measurement technology in geotechnical engineering tests [D]. Dalian: Dalian University of Technology, 2008.) mainly introduced the application of digital image technology including optical means in the field of accurate measurement of rock mass mac...

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  • Seismic oscillation simulation testing machine for macroscopic and microscopic damage joint tracking of rock mass and method thereof
  • Seismic oscillation simulation testing machine for macroscopic and microscopic damage joint tracking of rock mass and method thereof
  • Seismic oscillation simulation testing machine for macroscopic and microscopic damage joint tracking of rock mass and method thereof

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with accompanying drawing and implementation example:

[0032] The invention relates to the technical field of rock dynamics indoor testing, in particular to an imitation earthquake testing machine for joint tracking of rock mass macro and micro damage. The testing machine is suitable for real-time tracking measurement of macroscopic deformation and mesoscopic damage of rock mass under different ground motions, and can realize rock mass mechanical parameter determination and dynamic damage mechanism identification under dynamic dual-axis conditions.

[0033] Such as figure 2 and image 3 As shown in Fig. 1, a rock mass macroscopic and microscopic damage joint tracking imitation ground motion testing machine includes a power system, an optical and ray measurement system, and a data processing and automatic control system. The power system and the optical and ray measurement system partially overlap i...

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Abstract

The invention discloses a seismic oscillation simulation testing machine for macroscopic and microscopic damage joint tracking of rock mass and a method thereof. The testing machine provided by the invention is suitable for real-time tracking measurement of macroscopic deformation and microscopic damage under the action of different seismic oscillations. The testing machine comprises an MTS vertical press machine, a door-type supporting frame, a vertical pressure-bearing platform, a rigid working platform, a rigid indenter, an MTS lateral press machine, a sealed anti-radiation test chamber, a test chamber supporting rod, a macroscopic optical camera, a microscopic optical camera, a CT scanning machine, a strong spotlight, a locating rod, a data processor, a terminal server and several lines. Under the action of different seismic oscillations, full-field strain measurement of rock mass in different scales can be realized, thus providing laboratory testing technical support for determination of macroscopic and microscopic mechanical parameters and identification of dynamic damage of rock mass.

Description

technical field [0001] The invention relates to the technical field of rock dynamics indoor testing, in particular to an imitation ground motion testing machine and method for joint tracking of macroscopic and microscopic damage of rock mass. Background technique [0002] In recent years, my country's infrastructure construction has developed rapidly. As various long-term traffic (hydraulic) tunnels (tunnels) and large-scale underground buildings (groups) have been built and put into use, a large number of rocks related to underground engineering have emerged. Mechanical problems, especially for underground engineering in high-intensity areas, also need to solve rock dynamic problems. It is necessary to study the dynamic behavior of disturbed rock mass, so as to grasp the seismic dynamic response and deformation damage of underground structures mechanism. Rock mass medium often has characteristics such as heterogeneity, discontinuity, and anisotropy, and its mechanical proper...

Claims

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Application Information

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IPC IPC(8): G01N3/08G01N3/06
CPCG01N3/08G01N3/06G01N3/068G01N2203/0019
Inventor 陈卫忠马少森赵武胜杨典森
Owner SHANDONG UNIV
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