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本文以松花江、嫩江汇合处沉井施工为例,介绍了高水位软土地基区域地下构筑物、建筑物不排水封底的施工方法——开口吊罐法。该法的特点是用开口吊罐实施水下不分散混凝土封底,简化施工,保证质量,降低造价。
In this paper, the construction of open caisson at the confluence of Songhua River and Nenjiang River is taken as an example to introduce the construction methods of underground structures and undrained and sealed floors of buildings in the high water soft ground area—opening and hanging tank method. This method is characterized by the use of open hanging tanks to implement underwater non-dispersed concrete back covers, simplify construction, ensure quality, and reduce cost.