Xia, Yimin, Yupeng Shi, Laikuang Lin, Yichao Zhang, Qing Tan, and Yang Yang. 2018. “Experimental Evaluation of Fragments from TBM Disc Cutting under Different Load Cases”. Periodica Polytechnica Civil Engineering 62 (3):746-56. https://doi.org/10.3311/PPci.11961.