Stress and deformation evolution characteristics of gob-side entry retained by roof cutting and pressure relief

•Mohr circle models for stress evolution of 110 mining method were established.•Stress evolution characteristics were revealed and divided into 11 states.•The essence of deformation was revealed from the perspective of stress evolution.•Corresponding suggestions were proposed for entry control in 11...

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Veröffentlicht in:	Tunnelling and underground space technology 2022-05, Vol.123, p.104419, Article 104419
Hauptverfasser:	Wang, Yajun, Wang, Qi, Tian, Xichun, Wang, Haosen, Yang, Jun, He, Manchao
Format:	Artikel
Sprache:	eng
Schlagworte:	Control stability Cutting Deformation Design engineering Evolution Fracture mechanics Gob-side entry Mathematical models Mining industry Mohr-coulomb theory Rock deformation Roof cutting Roofs Shear stress Stiffness Stress evolution Surrounding rock deformation
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