广西桂林市雉山桥工程设计及其主要施工特点

城市桥梁交通最大，为使城市桥梁扩建，重建工程中不断交通又不搭设便桥，桂林市雉山桥采用了三段分离式分阶段施工的方法，本文着重介绍雉山桥重建工程为满足分离分阶段施工的桥梁总体布置方案，以及为满足桥梁加宽而采用的桥台加宽的施工方法及新老桥台之间联结措施，还介绍了为减轻桥梁上部结构重量而选有物轻型上部结构类型以及该结构类型的施工方法。

Engineering design and main character in the construction of Guilin Zhishan Bridge

In order to rebuild the bridge without stopping the heavy traffic or build the temporary bridge in the city,the construction methods are divided into three sections in Guilin Zhishan Bridge.This paper introduces the rebuilding of Zhishan Bridge,the general layout of bridge needed in the construction and the construction methods of abutment widening in widening the bridge and the coupling measures between the new abutment and the old one.The structure methods in construction and the choice of light superstructure style are also introduced in order to reduce the weight of superstructure.