19:27 Apr 3, 2012 |
Norwegian to English translations [PRO] Tech/Engineering - Transport / Transportation / Shipping / Railway tunnels | |||||||
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| Selected response from: Hans Wang Local time: 21:35 | ||||||
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Summary of answers provided | ||||
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3 | rough blasted |
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rough blasted Explanation: The rough blasted tunnel floor should have a crossfall of at least 5% in the direction of the main trench. |
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