Device and method for testing deterioration mechanism of crack-containing rock under water-rock interaction

A test device and rock technology, applied in the field of rock mechanism research, can solve the problems of not being able to dynamically monitor changes in hydraulic properties in cracks, being easily disturbed by the external environment, and long test periods, so as to protect life and property and improve authenticity , the effect of convenient operation

Pending Publication Date: 2019-02-01
SOUTHWEST JIAOTONG UNIV
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This technology helps identify cracks on rocks more easily than previously possible due to its ability to absorb or damage them while they were being fixed onto an apparatus called a fixator for testing purposes. By measuring how well these cracks have been affected by various factors like temperature, moisture content, and other environmental conditions, we aim to improve our understanding about their impact on tectonic processes such as ground movement and create better ways to mitigate potential hazards related to hydraulic stimulation (HSE).

Problems solved by technology

This patented technical problem addressed in this patents relates to understanding how hydraulically induced crackings occur when rocks are subjected to strong forces like tunneling or drilling operations that can affect their stability and integrity over time due to factors like environmental impact (such as soil erosion) and other causes. Existing methods have limitations in accurately predicting these effects, making them challenging at an early stage where they may result in significant loss of life and economic value.

Method used

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  • Device and method for testing deterioration mechanism of crack-containing rock under water-rock interaction
  • Device and method for testing deterioration mechanism of crack-containing rock under water-rock interaction
  • Device and method for testing deterioration mechanism of crack-containing rock under water-rock interaction

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Embodiment Construction

[0031] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

[0032] Such as figure 1 As shown, the test device for the deterioration mechanism of rock containing cracks under the action of water and rock includes a base 101 and a rock fixing device. The upper end of the device is provided with a water guide 203, and the water guide 203 is connected with the water supply device through the water pipe 404;

[0033] The rock fixing device comprises a first clamping plate 301 and a second

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Abstract

The invention discloses a device and a method for testing a deterioration mechanism of a crack-containing rock under water-rock interaction. The testing device comprises a base and a rock fixing device; the rock fixing device is fixed on the base; a thin film pressure sensor and a vibration sensor are arranged in the rock fixing device; a water deflector is arranged at the upper end of the rock fixing device; the water deflector is connected with a water supply device through a water pipe; both the thin film pressure sensor and the vibration sensor are electrically connected with a dynamic data collector; and the dynamic data collector is electrically connected with a computer. The testing method using the device comprises the steps S1-S6. Through the testing device and the testing method,the property and the structure of the crack-containing rock can be judged, and the probability that the crack-containing rock causes a geological disaster can be known; and the meso-structure and themechanical change process of a rock sample in the water-rock interaction process of the rock can be judged by quantitatively observing the stress strain and the micro-seismic change of the rock sample, and the deterioration process of the crack-containing rock under the water-rock interaction is visualized.

Description

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Claims

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Application Information

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Owner SOUTHWEST JIAOTONG UNIV
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