沉管隧道施工工法初探2025 年 4 月目 录第一章沉管隧道概述...............................................................................................................17§1 沉管隧道的概念..................................................................................................................17§2 钢壳沉管............................................................................................................................172.1 横断面形式...............................................................................................................182.2 结构形式...................................................................................................................182.3 钢壳隧道主要工序...................................................................................................182.3.1 管段制造............................................................................................................182.3.2 基槽开挖与基础处理........................................................................................192.3.3 浮运沉放............................................................................................................202.3.4 接头处理............................................................................................................202.3.5 荷载和设计........................................................................................................212.4 钢壳沉管隧道特点...................................................................................................21§3 钢筋混凝土沉管..................................................................................................................22§4 沉管隧道的优缺点..............................................................................................................234.1 沉管隧道的优点.......................................................................................................234.2 沉管隧道的缺点............................
