记者从京昆高铁西昆公司获悉,12月10日上午,渝昆高铁全线最长隧道——彝良隧道安全贯通,为全线建成通车打下坚实基础。据了解,彝良隧道位于云南省昭通市境内,全长24.8公里,由中铁二院勘察设计、中国铁建大桥局和中铁五局负责对向掘进施工,是渝昆高铁重难点控制性工程。由于穿越乌蒙山腹地,隧道的地质构造复杂,为一级高风险隧道,建设难度极大。据介绍,渝昆高铁全长约700公里,其中云南段长388.6公里,是...
Source Link记者从京昆高铁西昆公司获悉,12月10日上午,渝昆高铁全线最长隧道——彝良隧道安全贯通,为全线建成通车打下坚实基础。据了解,彝良隧道位于云南省昭通市境内,全长24.8公里,由中铁二院勘察设计、中国铁建大桥局和中铁五局负责对向掘进施工,是渝昆高铁重难点控制性工程。由于穿越乌蒙山腹地,隧道的地质构造复杂,为一级高风险隧道,建设难度极大。据介绍,渝昆高铁全长约700公里,其中云南段长388.6公里,是...
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