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沉管式隧道

此条目论述以香港为主,未必有普世通用的观点。请协助补充内容避免偏颇,或讨论本文的问题。

沉管式隧道是一种建造隧道的方法。这种方法只适用于建造海底隧道水底隧道

建造程序

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  1. 用挖泥船挖掘海床
  2. 用拖船将沉管式隧道组件拖到预定位置
  3. 沉降在地基上
  4. 用锁紧物料巩固组件
  5. 在沉管式隧道组件周围回填物料
  6. 放置保护石层保护组件
  7. 修复海床,抽走隧道积水

:建造水底隧道无需修复海床

优点

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  • 抗震能力较钻挖式隧道出色
  • 不影响居民
  • 可以不须填海而建造海港内的一段隧道

缺点

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  • 挖掘海床时或会扬起沉积的污染物,影响水质,令生物死亡

例子

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已经完成的工程

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西区海底隧道
东区海底隧道

参见

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参考

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参考资料

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  1. ^ 港珠澳大橋島隧設計及建造工程合約評標結果進行公示. [2018-10-24]. (原始内容存档于2018-11-07). 
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沉管式隧道
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