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yin076银河_银河总站官网-welcome

发布时间:2018-11-08 16:16:13 来源: 分享到:

贵州安江高速公路凯峡河大桥全长1122.5米,主桥采用118+ 220+160+58米的变截面预应力混凝土连续刚构箱梁,最大墩高达140米,主跨径为当时同类桥梁之最,高墩大跨连续钢构施工难度大。

1122.5m Kaixia River Bridge of Jiangkou-Weng'an Expressway in Guizhou Province has a main bridge of variable section prestressed concrete continuous rigid frame box girderis, in 118+220+160+58m. The maximum pier is up to 140m. Its main span ranked the first of its kind at that time. The construction of the high pier and long span continuous steel structure is very difficult. 

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