List of products by author: F. Juarez Millan

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  TBM Hard Rock Tunnels ProjectsPenetration Rate Comparison Between

  Abstract: One of the biggest tunnelling technical challenges when considering long hard rock tunnels is the estimation of the production expected in the project and how to get precise penetration and advance rate predictions. An accurate advance rate estimation (by basic calculations) as close as possible to the real future performance, mostly in long tunnels, is a key element for rock tunnel analysis...

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