铁路连续曲梁管道摩阻损失及钢束伸长值的分析计算  

Analysis and Computation of Frictional Loss and Expansionary Length to Railway Continuously Curve Beam

作　　者：罗红春[1] 

机构地区：[1]铁道第五勘察设计院,北京102600

出　　处：《铁道建筑技术》2007年第4期43-47,共5页Railway Construction Technology

摘　　要：针对兰武二线河口南黄河特大桥连续曲梁的张拉施工,分析计算了空间钢束的摩擦损失及伸长值,解决了施工控制中的关键性问题。In the light of the construction practice of the continuously curve beam of the Hekounan Yellow River grand bridge along the second line of Lanzhou-Wuwei railway, this paper analyzes and calculates its frictional loss and expansionary length, resolves the key problem in structural control.

关 键 词：铁路桥 连续梁 曲梁 空间束 摩阻损失 伸长值 

分 类 号：U441.5[建筑科学—桥梁与隧道工程]