北京六环路跨丰沙铁路斜拉桥桥墩设计

Design of Piers for the Cable-Stayed Bridge of the Sixth Ring Road of Beijing

结合北京市六环路跨丰沙铁路墩顶转体斜拉桥工程,对花瓶形桥墩的设计理论及计算过程进行了说明,另外根据墩顶转体施工阶段桥墩的受力特点,对桥墩的设计原则及方法进行了介绍。

With the project of the cable-stayed bridge of the sixth-ring road of Beijing as a practical example, the construction of which uses the technique of swivel erection at the top of the pier,the design theory and the calculation processes for vase-shaped piers are presented in the paper. Besides, the design methods and principles for the design of the pier are introduced in detail according to the characteristics of forces which act on the swivel pier at the swivel erection stage.