某倒虹吸主体工程施工技术

Construction Technology of Main Works of Invert Siphon Project

倒虹吸是输水工程中常用的建筑物,其施工技术备受关注。某倒虹吸由进口渐变段、进口检修闸、管身段、出口控制闸和出口渐变段组成,建筑物总长336,m。从土方开挖、土方回填、CFG桩施工及混凝土施工4个方面介绍了该倒虹吸管身段的施工技术,供类似工程参考。提出只有严格按照工艺要求进行施工才能保证施工的安全、质量和工期。

Inverted siphon is commonly used in water conveyance projects,therefore the construction technology of inverted siphon receives considerable attention.An inverted siphon was described,which consists of a transition section at inlet,inlet overhauling valve,pipe,outlet control valve and a transition section at outlet.The total length of the structure is 336,m.The construction technology of inverted siphon was introduced,which involves earthwork excavation,earthwork backfilling,CFG pile construction and concrete construction.It is hoped it can provide reference and guidance for similar projects.