Method for detecting geological structures of coal mine excavation roadway in various directions by using excavation signals
A signal detection and geological structure technology, applied in seismic signal processing, seismology, measurement devices, etc., can solve the problems of delaying coal mine excavation and mining work, endangering the life safety of coal mine personnel, and not changing with time, and achieving control of coal mine geological Effects of disasters, reduction of casualties, and improved detection efficiency
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[0028] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0029] Such as figure 1 As shown, the embodiment is a typical advanced detection 3D model of a roadway. The model contains 1 roadway. There is a 45-degree inclined fault in front of the tunnel tunnel, and the two sides of the fault are rocks of different formations. Arrange seismic survey lines on the 2 side of the roadway in the model, such as figure 2 The specific positions of stratum 1 and stratum 2 are shown. Through numerical simulation based on the 3D elastic wave equa...
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