软岩大跨小间距双洞隧道洞口浅埋段开挖技术

黄新社, 曹正喜

Excavation Technology of Shallowburied Portal Section of
Largespanned Smallspaced Twintube Tunnel in Soft Ground

HUANG Xin-She, CAO Zheng-Chi

隧道建设 . 2006, (4): 40 -42,60 . DOI: B