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试述连续刚构桥梁0#块施工技术
Author(s) -
瑞霞 房
Publication year - 2020
Publication title -
智能城市应用
Language(s) - Uncategorized
Resource type - Journals
eISSN - 2717-5391
pISSN - 2630-5305
DOI - 10.33142/sca.v3i8.3154
Subject(s) - business
本桥连续箱梁采用三向预应力体系0#块预应力体系由纵、横、竖向预应力组成采用钢管柱支架法施工使用千斤顶反力座张拉法在支架上设置横梁使用千斤顶进行张拉达到加载的目的也就是支架预压采用张拉预应力筋施加压力消除其非弹性变形测出弹性变形并检验支架的安全性能通过0#块支架构件计算按荷载的传递顺序分别计算各杆件的强度、刚度、稳定性计算结果符合设计规范要求。挂篮在悬浇完一段箱梁预应力筋张拉完毕后开始前移。

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