In the course of excavating and constructing the underwater bridge foundation of Hangzhou Canal Bridge,the steel reinforced concrete sunk well is used as the enclosure method.

• 杭州运河桥水下桥基开挖施工中,采用了钢筋混凝土沉井作为围护的方法,该文对沉井构造进行了设计计算,介绍了施工工艺。