Fracture Evolution between Blasting Roof Cutting Holes in a Mining Stress Environment

The problem of strong ground pressure caused by thick and hard roofs in coal mine stopes has become more prominent. Blasting roof cutting and pressure relief are effective technical ways to solve this engineering problem. The key to achieving roof cutting and pressure relief is the evolution and pen...

पूर्ण विवरण

में बचाया:
ग्रंथसूची विवरण
मुख्य लेखकों: Min Tu, Gaoming Zhao, Xiangyang Zhang, Qingwei Bu, Jiaxin Dang
स्वरूप: Artigo
भाषा:Inglês
प्रकाशित: MDPI AG 2022-03-01
श्रृंखला:Minerals
विषय:
thick and hard roof
blasting crack evolution
inter-hole crack penetration
roof cutting
seam forming
ऑनलाइन पहुंच:https://www.mdpi.com/2075-163X/12/4/418
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