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Back潍宿高铁跨京杭大运河特大桥全桥合龙
潍宿高铁跨京杭大运河特大桥全桥合龙
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中国新闻网2 hours agoOther2 min readChinaView translation

潍宿高铁跨京杭大运河特大桥全桥合龙

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10月12日,潍坊至宿迁高速铁路跨京杭大运河特大桥钢桁梁拱桥在江苏宿迁合龙,标志着该特大桥全桥合龙,为后续施工奠定坚实基础。

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Why It Matters

潍宿高铁是京沪高铁辅助通道的重要组成部分,正线全长约399公里,设计时速350公里。

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中新网南京10月12日电 (许文峰 胡睿琪 朱晓颖)中国铁路上海局集团有限公司12日公布,潍坊至宿迁高速铁路(下称潍宿高铁)跨京杭大运河特大桥钢桁梁拱桥当日在江苏宿迁合龙,标志着潍宿高铁跨京杭大运河特大桥全桥合龙。由此,大桥主桥上部结构施工取得关键性突破,为后续桥面系附属工程施工奠定了坚实基础。

跨京杭大运河特大桥由中国铁路上海局集团有限公司南京铁路枢纽工程建设指挥部建设管理、中铁第四勘察设计院集团有限公司设计、中交第二航务工程局有限公司施工,是潍宿高铁全线控制性工程之一。主桥以主跨300米一孔跨越京杭大运河,全长461.1米。

中交第二航务工程局有限公司项目负责人杨海生介绍,本次拱肋合龙施工集水域受限、温控严苛、多工序交叉等多重难点于一体,建设团队采用温度窗口精准锁定、支点精细化调位施工工艺,实时采集环境气温、拱肋温度、合龙口间距、高差、轴线偏差等数据,锁定作业时机;分阶段完成构件姿态调整、精准对位,将合龙口各项偏差控制在5毫米标准内,高质量完成构件固结、现场焊接等工序。

潍宿高铁是京沪高铁辅助通道的重要组成部分,与在建的天津至潍坊高铁、已开通运营的济南至青岛高铁、徐州至盐城高铁、日照至兰考高铁相连接。潍宿高铁正线全长约399公里,设计时速350公里,线路自山东省潍坊市的潍坊北站引出,经山东省日照市、临沂市,江苏省徐州市,终至江苏省宿迁市的洋河北站,全线共设潍坊北等12座车站。

潍宿高铁建成后,山东临沂、江苏宿迁等地将迈入“京沪高铁2小时交通圈”,对促进山东南部、江苏苏北区域经济协同发展等具有重要意义。

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AI outlook — possibilities, not facts

  • 完成后续桥面系附属工程施工

    Very likely · Within months

Open Questions

  • 潍宿高铁预计何时正式全线开通运营?

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This article was originally published by 中国新闻网.

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