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New Protective Structure for Shallow-buried Bias Tunnel at Portal Section and Its Simplified Calculation Method
DONG Jian-hua, XIE Yong-bin, LI Jian-jun, KOU Hai-jun, ZHAO Yong-da
China Journal of Highway and Transport ›› 2018, Vol. 31 ›› Issue (10) : 339-349.
PDF Full Text Download(1598 KB)
PDF Full Text Download(1598 KB)
New Protective Structure for Shallow-buried Bias Tunnel at Portal Section and Its Simplified Calculation Method
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