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

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.