Device and method used or monitoring rock strata movement in three-dimensional similar material simulation experiment

A technology of similar materials and simulation experiments, applied in the field of devices for monitoring rock formation movement, to achieve the effects of simple devices and methods, high measurement accuracy, and convenient use

Inactive Publication Date: 2015-11-18
HENAN POLYTECHNIC UNIV
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Problems solved by technology

[0005] Based on the above technical problems, the present invention provides a device and method for monitoring the movement of rock strata in a three-dimensional similar material simulation experiment. The technical solution is used to observe the three-dimensional similar material simulation experiment, and the displacement of the rock strata inside the model after excavation can be monitored. Measure the quantity, solve the measurement problem in the simulation experiment of three-dimensional similar materials

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  • Device and method used or monitoring rock strata movement in three-dimensional similar material simulation experiment
  • Device and method used or monitoring rock strata movement in three-dimensional similar material simulation experiment
  • Device and method used or monitoring rock strata movement in three-dimensional similar material simulation experiment

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[0031] The present invention will be described in detail below in conjunction with the accompanying drawings. However, it should be understood that the accompanying drawings are provided only for better understanding of the present invention, and they should not be construed as limiting the present invention.

[0032] Such as Figure 1-5 As shown, the present invention provides a device for monitoring rock formation movement in a three-dimensional similar material simulation experiment, which includes a computer 6, an A / D converter 5, a linear displacement sensor 4, at least two test probes, at least two measuring lines, and a pulley block 3. Steel pipe 9 and push rod 10 are characterized in that at least two test probes are test probe one 1 and test probe two 7, and at least two test lines include test line one 2 and test line 8, and the steel pipe 9 adopts a diameter The same short steel pipe is connected by rotation, and the steel pipe 9 can control the length of the steel...

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Abstract

The invention provides a device and a method used or monitoring rock strata movement in three-dimensional similar material simulation experiment. According to the method, a steel tube is arranged at a point to be measured so as to form a vertical detection channel, and the outer wall of the steel tube is provided with scales so as to realize positioning of the point to be detected; after positioning, claw-type probes are delivered into the steel tube, and are pushed to designated spots with a push rod; the probes are arranged at the right spots via the method above from bottom to top; the steel tube is removed; measuring lines are stretched to be straight, and are connected with a linear displacement sensor via pulleys; and a computer is used for controlling the linear displacement sensor so as to realize real-time observation and storage of data. The device and the method can be used for observing rock strata movement amount in models accurately, and realizing real-time collection and storage of data, is simple in structure, low in labor intensity, and excellent in observation effect.

Description

technical field [0001] The invention relates to the technical field of test and measurement, in particular to a device and method for monitoring rock formation movement in a three-dimensional similar material simulation experiment. Background technique [0002] In the three-dimensional similar material simulation experiment, it is very important to monitor the movement of the rock formation inside the model. After the model is excavated, the rock formation will collapse downward due to the influence of gravity and the excavation process. Therefore, during the collapse process, the subsidence of each rock layer is generally different. By observing these deformations, we can know the displacement of the rock layers inside the model. [0003] In the study of overlying rock movement laws, two-dimensional plane models are generally used, strain gauges are arranged in the model or observation points are set on the surface of the model, and then the movement of rock strata is obser...

Claims

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Application Information

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IPC IPC(8): G01N33/00
Inventor 杜锋郑金雷顾合龙
Owner HENAN POLYTECHNIC UNIV
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