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Back通苏嘉甬高铁杭州湾跨海铁路大桥七座主塔全部封顶
通苏嘉甬高铁杭州湾跨海铁路大桥七座主塔全部封顶
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中国新闻网1 hour agoBusiness2 min readChinaView translation

通苏嘉甬高铁杭州湾跨海铁路大桥七座主塔全部封顶

大桥北、中、南三座航道桥建设将全面转入上部结构施工阶段

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9月3日,通苏嘉甬高铁杭州湾跨海铁路大桥中航道桥三座主塔封顶。至此,大桥七座主塔全部完成施工,全面转入上部结构施工阶段。

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Why It Matters

通苏嘉甬高铁连接南通、苏州、嘉兴与宁波,全长约301公里,设计时速350公里。

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中新社浙江嘉兴9月3日电 (奚金燕)通苏嘉甬高铁杭州湾跨海铁路大桥中航道桥81号、82号、83号三座主塔9月3日封顶。至此,大桥北、中、南三座航道桥的七座主塔全部完成施工,航道桥建设将全面转入钢梁、斜拉索及桥面系等上部结构施工阶段。

通苏嘉甬高铁连接江苏省南通市、苏州市与浙江省嘉兴市、宁波市,是中国“八纵八横”高速铁路网沿海通道的重要组成部分,新建线路全长约301公里,设计时速350公里,由浙江省交通集团控股投资,上海国铁建管公司建设管理。杭州湾跨海铁路大桥全长29.2公里,是通苏嘉甬高铁全线关键控制性工程,也是目前在建的世界最长跨海高速铁路桥。

9月3日,正在建设中的杭州湾跨海铁路大桥。(无人机照片) 许旺 摄

此次完成主塔封顶的中航道桥全长1430.8米,是目前世界最大跨度无砟轨道三塔斜拉桥。其中,81号、83号边塔高198.5米,82号中塔高202米。

杭州湾是世界三大强潮海湾之一,最大潮差接近9米,年均六级以上大风约180天,海域还具有潮强流急、海床冲淤剧烈、高盐雾高湿度、浅层气分布等特点。杭州湾跨海铁路大桥中航道桥由中铁大桥局集团有限公司承建,为实现三座主塔顺利封顶,攻克了复杂海域多塔同步施工组织、海上物资保供等管理难题。

通苏嘉甬高铁建成后,将与盐通高铁、京沪高铁、沪昆高铁等多条线路实现高效衔接,进一步完善长三角铁路网布局。

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  • 通苏嘉甬高铁预计何时正式通车运营?

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This article was originally published by 中国新闻网.

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