In this paper, the temporary support scheme of the long-span steel truss girder in the field segment assembly is described in detail through engineering practice. The mechanical calculation of the key bearing structure of the support system is carried out to ensure the stability and safety of the support system. The construction experience of this project can bring some enlightenment to the construction of other similar projects.%本文通过工程实践,就大跨度钢桁梁现场节段拼装时的临时支撑方案进行详细的阐述,并对支撑系统关键承载结构进行了力学检算,确保了支撑系统的稳固及安全,希望本项目的施工经验能够给其它相似工程的施工带来一些启示.
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