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本文主要阐述大跨度钢走廊采用钢管空心球连续跨设计后比传统的型钢板表火简支跨钢走廊在减少钢材、缩短工期、降低工程造价等方面都有显著的经济效益。并且对大跨度走廊采用单跨或多跨时简支与连续分别进行内力分析和经济比较，同时还对支座节点采用橡胶支座做了介绍。
This article mainly elaborates that the large-span steel corridor adopts the continuous span design of steel hollow spheres and has significant economic benefits in reducing steel, shortening the construction period, and reducing the project cost, compared with the conventional steel plate surface fire simple support steel corridor. In addition, the analysis of the internal forces and the economic comparison of the simple-span and multi-span single-span or multi-span corridors with large-span corridors were conducted separately. At the same time, the rubber-supported bearings of the support nodes were introduced.