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original content at: royalsocietypublishing.org…
authors: honggang zhao
chao liu
gun huang
1state key lab of coal mine disaster dynamics and control, chongqing university, chongqing 400030, pplz’s republic of china
2school of resrcs and safety engineering, chongqing university, chongqing 400030, pplz’s republic of china
3state key lab for geomechanics and deep underground engineering, china university of mining and tek, xuzhou 221116, pplz’s republic of china
4school of mechanics and civil engineering, china university of mining and tek, xuzhou 221116, pplz’s republic of china
