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“✡️黄✡️色✡️软✡️件”-环球时报

大芦线东延伸航道✡️黄✡️色✡️软✡️件整治工程枢纽围堰正式合拢

来源: 吉林日报
2024-12-25 01:27:09

最佳回答

“✡️黄✡️色✡️软✡️件”大芦线东延伸航道✡️黄✡️色✡️软✡️件整治工程枢纽围堰正式合拢

  中新✡️黄✡️色✡️软✡️件网上海12月24日电 (谢✡️黄✡️色✡️软✡️件梦圆 刘海 万玲)24日,记者从中交三航局获悉,大芦线东延伸航道整治工程3标段枢纽围堰近日正式合拢。

  据悉,大芦线东延伸航道是长三角地区首条在滩涂区域人工形成的河海直达高等级航道。大芦线东延伸航道整治工程西起清运河,东至长江口南槽南支航道,总长约19公里。

  3标段主体工程为航运枢纽工程,此外还包括枢纽配套工程、枢纽临时工程、标段范围内的航道工程以及水文站工程四部分。航运枢纽工程主要包括新建双线出海船闸1座、节制闸1座及防咸泵站1座。航运枢纽北侧预留排涝泵站和5000吨级出海船闸空间,远期将形成“三线船闸+节制闸+排涝泵站”的格局,建设完成后将成为上海最大水上枢纽工程。

✡️黄✡️色✡️软✡️件 该工程枢纽合拢后的围堰内部地基处理。中交三航局供图

  此次合拢的枢纽围堰全长2227.8米,合拢后的围堰可有效隔绝外界水流、泥沙,为后续航运枢纽工程主体结构施工提供一个相对封闭、稳固的干施工环境。

  项目建成后,内河集装箱船舶无需绕行,通过大芦线航道即可入海,单程缩短航程约70公里,真正实现“河海直达”。河海直达运输航线的完善和升级,将有利于提升上海国际航运中心集疏运水平,对推动长三角互联互通,提高区域防洪排涝能力,改善区域水环境具有重要意义。(完)

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