作者: Lin Wu , Xiedong Zhang , Zhihua Zhang , Weichen Sun
DOI: 10.1007/S12205-020-2054-2
关键词:
摘要: … An outer diameter for the tunnel liner of 6.2 m is considered … lining of Tunnel 1 and the excavation diameter of Tunnel 2 are both 6.52 m, and the spacing between the sides of the tunnels …