
1月2日凌晨1时11分,位于泺口的济南黄河隧道南岸工程施工现场,随着混凝土输送泵车鸣响汽笛,被誉为“万里黄河第一井”的隧道盾构机接收井底板浇筑完成,经过中铁十四局建设者32个小时的连续奋战,2200多立方米混凝土一次性连续浇筑顺利完成。
据了解,位于南岸进口部分的盾构机接收井为整个隧道的控制工程,它是隧道施工自北向南掘进完成后,隧道施工主角——盾构机进洞后提升上岸的唯一通道。接收井基坑建成后,净深度近36米,其加固周边的墙体最深达56米,开挖深度超过了18层楼的高度,是目前山东省乃至全国所有穿越黄河工程中的最深基坑,其深度和施工难度以及技术含量堪称国内之最,被誉为“万里黄河第一井”。
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