【摘 要】
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<正> 1 概述 三峡永久船闸位于三峡水利枢纽的左岸,为双线平行5级连续船闸,分南、北两线,每线船闸由6个闸首和5个闸室组成,两线第1闸首设有事故检修闸门、叠梁门。第1闸首桥
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<正> 1 概述 三峡永久船闸位于三峡水利枢纽的左岸,为双线平行5级连续船闸,分南、北两线,每线船闸由6个闸首和5个闸室组成,两线第1闸首设有事故检修闸门、叠梁门。第1闸首桥机轨道梁安装在闸顶砼排架上,轨顶高程207.0 m,梁系箱形结构,两线船闸共设8跨,其中6跨梁长40.0 m,2跨梁长27.0 m,
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