某斜腿刚构桥改造为斜拉桥的施工技术

摘要

高速公路拓宽越来越多，对原建的人(车)行天桥的改造施工越来越普遍。该文以1座人行斜腿刚构桥改造为单索斜拉桥为例，介绍改造施工的施工步骤、施工方法及施工注意事项。对同类型桥梁的改造施工具有一定参考作用。%Express ways are increasingly widened and transformation construction of existing overpasses becomes more popular. Based on the case of a slant-legged rigid frame bridge transformation to a cable-stayed bridge, construction procedure, construction method and construction attentions are in-troduced. This can offer some references for similar cases.