Tunnel soft rock full-section multi-stage ultra-deep hole double-end plug and stemming plugging high-efficiency blasting method
A full-section, ultra-deep hole technology, applied in tunnels, blasting, mining equipment, etc., can solve the problems of low blasting efficiency, limited blasting footage, waste of process time, etc., to improve the blasting effect, ensure the quality of the initial blasting, seal The effect of improving the plugging quality
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[0041] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments 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 efforts shall fall within the protection scope of the present invention.
[0042] The purpose of the present invention is to provide a high-efficiency blasting method for the full-section multi-stage ultra-deep hole double-headed blasting mud plugging of soft rock in tunnels to solve the problems of the prior art, and to improve the sealing quality and blasting effect, and reduce The blasting vibration can avoid under-excavation and reduce the over-excavation range to improve construction efficiency and safet...
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