Permeability model and gas migration law of filling gangue by roof cutting along the gob in a coal mine: A case study

Jinzhao Liu¹This email address is being protected from spambots. You need JavaScript enabled to view it., Dongyin Li^1,2, Xiangjun Chen^2,3, and Shen Wang^1,2

¹School of Energy Science and Engineering (Henan Polytechnic University), Jiaozuo 454003, China

²State Collaborative Innovation Center of Coal Work Safety and Clean-efficiency Utilization, Jiaozuo 454003, China

³College of Safety Science and Engineering (Henan Polytechnic University), Jiaozuo 454003, China

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