Formation Mechanism of Meter-Scale Large Deformation in Hard Rock with Sillimanite–Plagioclase–Biotite Schist Bands in a Deep TBM Tunnel - Zhibin Yao; Lianjie Fu; Yongrun Xiong; Chengxiang Yang; Fengpeng Zhang; Fuqi Kang; Song Chen; Wei Zhang; Lei Hu (Rock Mechanics and Rock Engineering, 2026)