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Extremely hard rock mass excavation using rock breakdown methods to assist TBM in a deep, long diversion tunnel in the Qinling Mountains
LIU Xiaoli, SUN Huan, DONG Qinxi, XIONG Yanlin, KUMAR Nawnit, SU Yan, ZHOU Jianjun
Journal of Tsinghua University(Science and Technology) . 2022, (8): 1292 -1301 .  DOI: 10.16511/j.cnki.qhdxxb.2022.25.035

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