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Optimization of rock bolt parameters for existing tunnel with different expansion widths
YANG Jun1, CHENG Hao2, XIE Zhigang3, DING Xuefei3, LIANG Yong3
Journal of Jiangsu University(Natural Science Eidtion) . 2024, (2): 220 -228 .  DOI: 10.3969/j.issn.1671-7775.2024.02.014