Concrete repair of tubbings
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United States of America Patent
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app pub date -
Nov 18, 2010
filing date -
May 19, 2008
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Abandoned
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Abstract
A lining (2) for an inside surface of a tunnel, preferably the inside surface of tubbings, wherein it is provided in accordance with the invention that it comprises at least two layers of different tensile strength and extensibility.
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