Block cutting type cut hole forced caving detonation method
A technology of eye cutting and block cutting, which is applied in the field of tunnel engineering, shaft engineering, and forced caving blasting in coal mining. It can solve problems such as unsatisfactory caving, reduce the step distance of incoming pressure, and reduce the risk of rock burst , the effect of easy collapse
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[0029] Preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
[0030] figure 2 It shows a flow chart of the forced caving blasting method of block cutting hole according to the first exemplary embodiment, image 3 shows a schematic diagram of parallel blasthole and vertical blasthole arrangements in an exemplary embodiment, Figure 4 shows along the image 3 The B-B cross-sectional schematic diagram in, Figure 5 shows along the image 3 The schematic diagram of the C-C section in , where the B-B ...
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