Rock stratum displacement monitoring device and method for three-dimensional similar simulation experiment
A similar simulation experiment and displacement monitoring technology, applied in the direction of measuring devices, electrical devices, instruments, etc., can solve the problems of measuring devices interfering with the model, unable to obtain the horizontal displacement of simulated rock formations, etc., to solve the problem of rock displacement monitoring and the degree of automation And the effect of high measurement accuracy and continuous observation
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[0075] The present invention will be further described below with the stratum displacement monitoring in the three-dimensional similar simulation experiment as an example:
[0076] 1. Determine the layout scheme of the transmitting antenna and receiving coil
[0077] The size of the three-dimensional similar simulation experiment platform selected for this experiment is 2m×2m×2m, and the simulated rock formations are divided into sandy mudstone, coal seam, mudstone, sandy mudstone, and mudstone from bottom to top according to the drilling holes of the working face and relevant rock formation data. , fine sandstone, limestone, and mudstone have a total of 8 layers. Mica slices are sprinkled between each rock layer to simulate the layering of rock layers. The specific material ratio of each rock layer is determined according to the test results of rock samples. According to the experiment plan, two key rock formations above the coal seam were selected for monitoring. A total of ...
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