How was the channel tunnel built underwater?

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Annabell Lowe asked a question: How was the channel tunnel built underwater?
Asked By: Annabell Lowe
Date created: Thu, Mar 11, 2021 8:46 AM
Date updated: Thu, Aug 4, 2022 3:21 PM

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Video answer: How the world's longest underwater tunnel was built - alex gendler

How the world's longest underwater tunnel was built - alex gendler

Top best answers to the question «How was the channel tunnel built underwater»

To use this method, builders dig a trench in the riverbed or ocean floor. They then sink pre-made steel or concrete tubes in the trench. After the tubes are covered with a thick layer of rock, workers connect the sections of tubes and pump out any remaining water.

Video answer: Constructing the channel tunnel under the sea| super structures | spark

Constructing the channel tunnel under the sea| super structures | spark

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Video answer: The channel tunnel documentary history

The channel tunnel documentary history