In this paper, the steel girder construction of Gela Railway sound barrier mid-bridge is taken as an example. The brief process of the technical parameters is briefly listed. Whether the steel box girder will be deformed or damaged during the hoisting process will be provided technically for the next construction support.%本文以格拉铁路声屏障中桥钢箱梁吊装施工为例,简要列出了技术参数的简算过程,论证钢箱梁在吊装过程中是否会变形、破损,为下一步施工提供技术上的支持.
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