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结合金丽温高速公路施工实际 ,讨论双连拱隧道的开挖支护在各类围岩中先后顺序的选择以及双连拱隧道的中隔墙排水等问题
Combined with the actual construction of Jinliwen Expressway, this paper discusses the sequence selection of double-arch tunnel excavation and support in all kinds of surrounding rock and the problems such as the drainage of the middle wall of double-arch tunnel