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“一面膜上边一面膜下边韩国”-梳理天下新闻

上海至崇明岛地铁一面膜上边一面膜下边韩国长江隧道南段率先完成穿越

来源: 界面新闻
2024-11-19 05:54:06

最佳回答

“一面膜上边一面膜下边韩国”上海至崇明岛地铁一面膜上边一面膜下边韩国长江隧道南段率先完成穿越

  中新一面膜上边一面膜下边韩国网上海11月18日电 (记一面膜上边一面膜下边韩国者 张亨伟)近日,在上海轨道交通22号线(崇明线)越江盾构浦东接收井内,“申通号”盾构机刀盘缓缓向前探出,标志着22号线(崇明线)已率先完成了长江隧道南段部分(长兴岛-浦东)的穿越。

上海轨道交通22号线(崇明线)越江隧道。申海 摄

  此次贯通的南港越江大盾构区间长约7.74公里,采用直径13.5米、总长148米的超大泥水气平衡盾构机进行掘进,是上海轨道交通“穿越长江第一隧”工程的重要一环。

  施工方隧道股份上海隧道工程有限公司表示,隧道位于长江江面下34米处,项目团队通过详尽勘探,以及盾构机AI辅助驾驶,确保了盾构精准抵达。最终,南港大盾构隧道区间轴线偏差控制为5cm,精度高于常规盾构标准一倍;34821块管片严丝合缝,实现了隧一面膜上边一面膜下边韩国道施工“0”渗漏。

  上海轨道交通22号线(崇明线)作为快速联系崇明区与上海中心城区的轨道交通线路,途经浦东新区、长兴岛和崇明岛,全长约42公里,共设8座车站、6个工作井和2座停车场。目前,盾构推进已累计完成24.4公里,包括南港段隧道已贯通,北港段隧道已推进7.9公里。(完)

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