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本文以广州南站站房工程的钢结构预应力索拱桁架施工为例,介绍了钢结构预应力索拱桁架的结构、预应力索拱桁架下弦钢拉索索力的控制技术。
Taking the construction of steel structure prestressed arch truss of Guangzhou South Railway Station as an example, this paper introduces the structure of prestressed arch truss of steel structure and the control technology of the cable force of the lower chord steel of prestressed arch truss.