复杂线路条件下轨道交通薄壁U型梁综合架设技术

On comprehensive erection technique of thin-wall U-shaped beam in rail traffic under conditions of complicated routes

根据南京机场线高架线路工程的实际情况,提出了架桥机、履带吊、门式起重机三种薄壁U型梁的架设方式,并对比分析了三种方式的优缺点,最终确定了薄壁U型梁的架设方案。

According to the overhead traffic lines along airport line of Nanjing City,the paper points out three kinds of erection approaches including the bridge erecting machine,crawler crane,and portal crane for the thin-wall U-shaped beam,undertakes the comparative analysis of their advantages and disadvantages,and identifies the erection scheme for the thin-wall U-shaped beam.