热点 来源:界面新闻 时间:2023-05-26 15:13:50
【资料图】
据央视新闻,5月26日,随着最后一块长15米、重81.6吨的拱肋节段吊装到位,世界第二大跨径劲性骨架外包砼拱桥——沿江高速宜金段西宁河特大桥主拱顺利合龙。大桥为项目重点控制性工程,全长698米,主桥为跨径510米的上承式钢筋混凝土拱桥,主拱拱肋共68个节段,拱圈总计用钢量约5800吨,大桥的顺利合龙标志着沿江高速建设取得了重大进展。
(文章来源:界面新闻)
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