Tunnelling machine development for under
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Richard Robbins; Martin Kelley
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Article
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1994
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Elsevier Science
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English
β 776 KB
The decisions that lend up to the start of a major undersea tunnel will be the principal factors in determining the degree of succses of the project. This is especially true if the geologic conditions are difficult. Many factors can conspire against success, including some which might at first appea