RT Journal T1 Numerical simulation of rock fragmentation process by TBM cutter in double-joint rock mass A1 SHI Xuesong, GUAN Qingzheng, WANG Wenyang, XU Zhenhao, LIN Peng, WANG Xiaote, LIU Jie PB Journal of Shandong University(Engineering Science) FD YR 2020 JF Journal of Shandong University(Engineering Science) JO Journal of Shandong University(Engineering Science) VO 50 IS 4 SP 70 DO 10.6040/j.issn.1672-3961.0.2019.744 K1 tunnel boring machine(TBM);rock fragmentation;particle flow simulation;jointed rock mass;fragmentation mode LK {http://gxbwk.njournal.sdu.edu.cn/EN/article/article_1958.shtml}