PDF(1523 KB)
Study on Loess Tunnel Surrounding Rock Classification Msethod Based on Extension Theory
Xue Xiaohui, Zhang Jun, Yao Guang
Chinese Journal of Underground Space and Engineering ›› 2017, Vol. 13 ›› Issue (3) : 651-657.
PDF(1523 KB)
PDF(1523 KB)
Study on Loess Tunnel Surrounding Rock Classification Msethod Based on Extension Theory
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