天津港南疆复线公路桥基础设计与施工

Foundation Design and Construction of Nanjiang Double-line Highway Bridge in Tianjng Harbor

天津港南疆复线公路桥的主桥位于海河入海口,大桥跨越海河河道(含滩地),桥位处淤泥厚,主河道内基础需要深水围堰施工。该文着重介绍了该桥的桩基础设计和钢围堰设计,并介绍了基础施工及监控。

The main bridge of Nanjiang Double-line Highway Bridge in Tianjng Harbor is located at the entrance of Haihe River.The bridge spans the river course of Haihe River(including its beach).The mucky soil at the bridge position is thick.The foundation in the main river course is required to construct by the cofferdam under the deep water condition.The article focuses the introduction on the design of pile foundation and the design of steel cofferdam of this bridge,and the introduction on the foundation construction and monitoring.