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四川泸州:渝昆高铁全线最长连续梁正式转入悬臂节段施工阶段

四川泸州:渝昆高铁全线最长连续梁正式转入悬臂节段施工阶段

China Daily
Monday, March 14, 2022 04:47:17 AM UTC

渝昆高铁泸州沱江特大桥主桥施工现场。杨尚威 摄  渝昆高铁泸州沱江特大桥主桥施工现场。

3月13日,经过十余小时的浇筑,渝昆高铁泸州沱江特大桥主桥0号块全部浇筑完毕,至此,该桥正式转入悬臂节段连续梁施工阶段。

据悉,泸州沱江特大桥主桥位于泸州市郊,为渝昆高铁“一桥一隧”控制性工程之一,全长为2613.315米,双柱式V型桥塔为国内铁路同类桥型中首次采用,有近40层楼高,主跨采用(124+240+124)m连续梁跨越沱江,为全线最长连续梁。

渝昆高铁全长699公里,设计时速350公里/小时,从重庆枢纽重庆西站引出,经重庆市沙坪坝区、九龙坡区、大渡口区、高新区、江津区、璧山区、永川区,四川省泸州市、宜宾市,贵州省毕节市,云南省昭通市、曲靖市,终至昆明南站,是全国高铁网“八纵八横”之一京昆通道西安至昆明段的重要组成部分。

 

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