预应力箱梁超长预应力束计算分析及试验验证  

On calculation analysis of prestressed box girder super-long prestressed and tests verification

作　　者：王文欣[1] 

机构地区：[1]天津市市政工程设计研究院,天津300051

出　　处：《山西建筑》2013年第17期152-154,共3页Shanxi Architecture

摘　　要：对天津市某工程预应力连续箱梁的超长预应力筋张拉进行了计算分析,阐述了施工控制措施,并与现场预应力孔道摩阻系数测试数据进行对比验证,总结了类似工程的参考计算参数,为类似工程设计施工提供参考。The paper undertakes the calculation and analysis of the super-long prestressed extension of the prestressed continuous box girder of some project in Tianjin, illustrates the controlling measures in the construction, undertakes the comparative verification of its data with the one of prestressed friction in ducts coefficient test, and sums up the reference calculation parameter for similar projects.

关 键 词：超长预应力筋 张拉 应力 摩阻损失 

分 类 号：TU757.1[建筑科学—建筑技术科学]