Study on overburden rock structure characteristics and surrounding rock control technology of island working face
Lai Xingping,
Zhu Haoyu,
Qiao Hao
et al.
Abstract:Aiming at the technical problems of safe and efficient mining under the complex conditions of strong mine pressure and multiple disasters in island working face, taking ZF2822 working face of Xiagou Coal Mine as the background, theoretical analysis, numerical simulation and field measurement are used to explore the fracture structure characteristics and surrounding rock control technology of overlying rock in island working face. The results show that the ten morphological structures of the main roof fracture … Show more
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