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首页> 外文期刊>Michigan Oil & Ges News: Monthly Report Edition >Line 5 Update: Enbridge retrieves portion of steel rod left on lakebed during geotechnical work in advance of tunnel construction
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Line 5 Update: Enbridge retrieves portion of steel rod left on lakebed during geotechnical work in advance of tunnel construction

机译:第5行更新:Enbridge在隧道施工之前在岩土工作期间检索湖床上的钢棒部分

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摘要

Enbridge has successfully retrieved a 45-foot section of a steel rod that had been used in the recent geotechnical work for the Great Lakes Tunnel Project. Approximately half of the drill rod had been at the bottom of the Straits of Mackinac since September, when a borehole collapsed during geotechnical work in advance of tunnel construction.
机译:Enbridge已成功地检索了钢棒的45英尺短的部分,这些钢棒已用于最近为巨大的湖泊隧道项目的岩土工程工作。 自9月以来,大约一半的钻杆自9月以来一直处于Mackinac海峡的底部,当时在隧道施工之前在岩土工作期间倒塌时,钻孔。

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