Method for calculating propagation speed of earthquake waves in mine region by utilizing microearthquake point as earthquake source
A technology of propagation velocity and seismic waves, applied in the measurement of propagation velocity, seismology, geophysical measurement, etc., can solve problems such as impracticality, need, shutdown and production shutdown, space constraints, etc., to reduce production costs, improve safety, and facilitate mines effect of work
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[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.
[0024] like figure 1 As shown, in the method for calculating the seismic wave propagation velocity in the mine area using the microseismic point as the seismic source according to the present invention, it is first necessary to divide the stratum of the mine area to be measured into different speeds according to the difference in the propagation velocity of the seismic wave in different strata in the mine area to be measured. Layers, such as coal seams, should be separated separately because their seismic wave propagation speed is different from that of surrounding rock formations. Separate interfaces are set between different speed layers, the upper part of the top speed layer, and the lower part of the bottom speed layer. like figure 2 As shown, each velocity layer is se...
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