Taking the main tower of some cable-stayed bridge as the engineering background,the paper has the detailed indication for the design and construction of the allotype span cable crane system,and indicates the difficulties and solutions for the design and construction of the cable crane system,so as to provide some reference for the similar program construction.%以某斜拉桥主塔为工程背景,对异型跨径缆索吊系统设计与施工进行了详细论述,并对缆索吊设计与施工中的疑难问题及解决方案进行了说明,为类似项目施工提供了参考。
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