针鱼岭大桥拱门式主塔施工技术

Construction Technology for Arch-type Main Tower of Zhenyuling Bridge

斜拉桥由索塔、主梁、斜拉索组成,其主塔施工是斜拉桥施工的重点和重要控制分项。文章介绍了拱门式主塔施工技术在针鱼岭大桥工程中的应用,分析了拱门式主塔设计的特点及技术优势,评述该技术可保证斜拉桥拱门式主塔施工的结构安全及施工速度。

The cable-stayed bridge is composed of cable tower,main beam,and stayed cable,the con-struction of its main tower is the focus and key control part for the construction of cable-stayed bridge.This article introduced the application of arch-type main tower construction technology in Zhenyuling Bridge engineering,analyzed the features and technical advantages of arch-type main tower design,and reviewed that this technology can ensure the structural safety and construction speed for arch-type main tower construction of cable-stayed bridges.