斜拉-悬吊协作体系桥梁维修加固中斜拉索更换

摘要

以贵遵公路乌江大桥为背景，介绍了该桥维修加固中斜拉索更换的原则与顺序，从施工准备、旧索拆除、钢绞线穿束和张拉、全桥索力调整等方面，阐述了斜拉索更换的操作要点，为同类工程施工积累了经验。%abstract:Taking Wujiang Bridge along Guizhou-Zunyi Road as the example,the paper introduces the principle and sequence for the cable-stayed alteration in the maintenance and reinforcement of the bridge,and illustrates the operation for the cable-stayed bridge alteration from the construc-tion preparation,demolition of former cables,steel strand binding and tension,bridge cable stress adjustment,so as to accumulate the experience for similar projects.