PDF(1366 KB)
Study on Development and Application of Surrounding Rock Sub- classification System for Highway Tunnel
Zhang Jianguo,Wang Mingnian
Chinese Journal of Underground Space and Engineering ›› 2014, Vol. 10 ›› Issue (1) : 72-76.
PDF(1366 KB)
PDF(1366 KB)
Study on Development and Application of Surrounding Rock Sub- classification System for Highway Tunnel
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