List of products by author: A. Rodríguez

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  Innovating Tunnel Design by an Improved Experience-based RMR System

  Abstract: The Rock Mass Rating (RMR) System was introduced over 40 years ago, and since then has become a worldwide reference, along with the Q system, for design applications involving estimation of rock mass properties and tunnel support. A massive database of experience has been recorded in the process. On the 25th anniversary of the last modification of the RMR System in 1989, known as the RMR89, an...

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