Browsing 38th Annual Southern African Transport Conference 2019 by Subject "calculation methods of surrounding rock"

Browsing 38th Annual Southern African Transport Conference 2019 by Subject "calculation methods of surrounding rock"

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  • The Study on the Threshold of Cover Depth of Large Section Loess Tunnel 
    Hu, Z.; Xie, Y.L.; Lai, J.X. (Southern African Transport Conference, 2019)
    The method of load calculation in a tunnel is adopted by the state of covering depth. Due to the characteristics with macropore in loess stratum, the existing demarcation regulations of deep and shallow tunnels are ...