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福州五四北琴亭高架桥为国内第一座应用部分预应力梁的特大桥,为了确定预应力梁的张拉效果,在施工中对钢绞线孔道摩阻损失进行了测试。
Fuzhou May 4 North Chuting Pavilion Viaduct is the first bridge in China to use partially prestressed beams. In order to determine the effect of prestressing the tension of the prestressed beams, the friction loss of the strand of the strand was tested during construction.