A graphical approach for slope mass rating (SMR) |
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| Authors: | R Tomás A Cuenca M Cano J García-Barba |
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| Institution: | Departamento de Ingeniería de la Construcción, Obras Públicas e Infraestructura Urbana. Escuela Politécnica Superior, Universidad de Alicante, P.O. Box 99, E-03080 Alicante, Spain |
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| Abstract: | Slope mass rating (SMR) is a commonly used geomechanical classification for the characterization of rock slopes. SMR is computed adding to basic rock mass rating (RMR) index, calculated by characteristic values of the rock mass, several correction factors depending of the discontinuity–slope parallelism, the discontinuity dip, the relative dip between discontinuity and slope and the employed excavation method. In this work a graphical method based on the stereographic representation of the discontinuities and the slope to obtain correction parameters of the SMR (F1, F2 and F3) is presented. This method allows the SMR correction factors to be easily obtained for a simple slope or for several practical applications as linear infrastructures slopes, open pit mining or trench excavations. |
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