PDF(512 KB)
THE SURROUNDING ROCK STRESS IN SHALLOW UNDERGROUND OPENINGS
BI Ji-hong, ZHONG Jian-hui, CONG Rong
Journal of Railway Engineering Society ›› 2004, Vol. 21 ›› Issue (4) : 77-81.
PDF(512 KB)
PDF(512 KB)
THE SURROUNDING ROCK STRESS IN SHALLOW UNDERGROUND OPENINGS
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