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Revisión del estado actual de la clasificación geomecánica Slope Mass Rating (SMR)

Authors: Tomás, Roberto; Romana, Manuel; Serón Gáñez, José Bernardo;

Revisión del estado actual de la clasificación geomecánica Slope Mass Rating (SMR)

Abstract

El Slope Mass Rating (SMR) es una clasificación geomecánica empleada para la caracterización de taludes rocosos, que se calcula corrigiendo el RMR básico mediante una serie de factores dependientes de: (a) el paralelismo entre los rumbos de las discontinuidades y del talud (F1); (b) el buzamiento de las discontinuidades (F2); (c) la relación de buzamientos entre las discontinuidades y el talud (F3); y (d) el método de excavación empleado (F4). Desde su publicación en el año 1985 hasta la actualidad, esta clasificación ha gozado de un uso muy extendido en todo el mundo. Además, numerosos autores han llevado a cabo modificaciones o variaciones en la clasificación original para su adaptación a diversas situaciones particulares. Asimismo, ha sido aplicada a partir de proyección estereográfica o Sistemas de Información Geográfica, e incorporada a la normativa técnica de diversos países. En la actualidad, el desarrollo de las tecnologías emergentes ha propiciado la aparición de programas informáticos para el cálculo del SMR, así como el desarrollo de metodologías basadas en el empleo de nubes de puntos 3D para la caracterización de taludes mediante el uso de este índice. En el presente trabajo se lleva a cabo una revisión del uso del SMR a lo largo de los últimos 30 años, centrando nuestra atención en las modificaciones o adaptaciones más importantes de la clasificación original, su uso en el campo de la mecánica de rocas y las tendencias futuras en el empleo de esta clasificación geomecánica.

Slope Mass Rating (SMR) is a geomechanic classification used for the characterization of rocky slopes, which is calculated adjusting the basic RMR through several factors depending on: (a) the parallelism between the discontinuity and slope directions (F1); (b) the dip of the discontinuities (F2); (c) the relationship between the dip of the discontinuities and the slope (F3); and (d), the excavation method (F4). From the publication of the SMR in 1985 up to date, this classification has been widely used worldwide. Moreover, several authors have either modified or changed the original classification in order to adapt it to different particular situations. Furthermore, it has been applied by using stereographic projection or Geographical Information Systems, having been incorporated to the technical standards of several countries. Nowadays, the development of emerging technologies has favoured the creation of software for the calculation of SMR, as well as the development of new methodologies based on the use of 3D point clouds to the characterization of the slopes using this index. In this work, a review of the current state of the SMR over the last thirty years is presented, focusing our attention on the most important modifications and adaptations of the original classification, its use in the rock mechanics field, and future trends in the use of this geomechanic classification.

Country
Spain
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Keywords

Slope, Rock mechanics, Clasificaciones geomecánicas, Mecánica de rocas, RMR, SMR, Ingeniería del Terreno, Geomechanic classification

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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