Early warning method of water inrush hazard in coal mine and calculation method of single crack development range in rock mass
A water inrush and dangerous technology, which is applied in computing, mining equipment, earthwork drilling, etc., can solve the problems of low refinement and inability to effectively guide the protection of water inrush hazards in coal mines, so as to improve positioning accuracy and prevent coal mines from The effect of floor water inrush accident
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[0055] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0056] like figure 1 Shown is a preferred embodiment of a coal mine water inrush hazard early warning method of the present invention, the method comprising:
[0057] Step 1: Arrange the vibration signal acquisition device according to the thickness of the water-resisting rock layer on the coal mine floor, and divide the water-resisting rock layer into several water-resisting layers with the same thickness in the vertical direction from top to bottom
[0058]...
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