港珠澳大桥珠海连接线工程拱北隧道设计
Soil Engineering and Foundation(2013)
Abstract
正在设计建设中的港珠澳大桥珠海连接线工程拱北隧道总长2741m,采用双层明挖+局部双层暗挖双向六车道的隧道形式,隧道施工采用了先岛后隧明挖法和大断面、长距离、多管节、曲线管幕顶进方法。隧道具有断面大、埋深小、地层软弱、地下水丰富、周边环境敏感等特点,是目前我国已建及在建的水下公路隧道中环境条件最复杂、施工难度最大、综合技术含量最高的隧道工程之一。
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Key words
Extra Large Tunnel Cross Section,Cut and Cover of Shallow Tunnels,Underwater Tunnel Jacking
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