【摘要】 早期建造的斜拉桥已面临换索问题。该文以建成12年、跨度为2×160m的广东南海九江大桥为例,介绍换索过程:先检测出需更换的拉索,然后设计新拉索长度,确定换索原则和工艺。最终在不封闭交通的前提下完成了换索,并一次调索到位。更多还原

【Abstract】 After 12 years’ operation, the 2×160m spans Guangdong Nanhai Jiujiang Bridge is facing the problem of cable exchanging. Firstly, the cables to be exchanged are tested and picked out. Then the length of new cables, the principle and process of cable exchanging are designed. The cable exchanging is finished with non-closing off and the adjustment is completed at the first tried.更多还原