PDF(1376 KB)
Research and Application of BQ-hg Method for Surrounding Rock Classification of Tunnels with High Geostress
Ren Yang, Li Tianbin, Zhang Guangyang, Niu Wenlin, Lin Zhiheng
Chinese Journal of Underground Space and Engineering ›› 2011, Vol. 7 ›› Issue (3) : 449-456.
PDF(1376 KB)
PDF(1376 KB)
Research and Application of BQ-hg Method for Surrounding Rock Classification of Tunnels with High Geostress
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