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介绍杭州运河桥水中主墩采用筑岛下混凝土沉井作基坑围护的施工方法,围护沉井结构特点和设计计算过程
This paper introduces the construction method of the foundation pillars under the canal of Hangzhou canal bridge and the concrete caisson under the island, and the structural characteristics and design calculation of the caisson