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A comparative review in regards to estimating bearing capacity in jointed rock masses in northeast Jordan

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Abstract

There are a number of different methods used for estimating the bearing capacity in jointed rock masses. In this paper, the geological strength index (GSI) introduced by Hoek et al. (1995) was used to estimate the bearing capacity of the rock mass via rock mass rating (RMR). An empirical relationship is proposed to estimate the bearing capacity of the rock mass using the GSI-dependent toughness factor (TF). The proposed formula was correlated with bearing capacity equations used in the literature. The regression analyses showed exponential relationships with a high correlation coefficient.

Résumé

Il existe de nombreuses méthodes différentes pour estimer la capacité portante d’un massif rocheux fracturé. Dans cet article, on utilise le geological strength index (GSI) introduit par Hoek et al. (1995) pour évaluer la capacité portante du massif rocheux en s’appuyant sur le Rock Mass Rating (RMR). On propose une relation empirique pour estimer la capacité portante du massif rocheux à partir de l’indice de ténacité (toughness factor—TF) qui dépend du GSI. La formule proposée est mise en relation avec les équations de portance données dans la littérature. Les analyses de régression montrent une relation exponentielle avec un fort coefficient de corrélation.

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Authors and Affiliations

  1. Department of Water Management and Environment, Faculty of Natural Resources and Environment, Hashemite University, 13116, Zarqa, Jordan

    Ali El-Naqa

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  1. Ali El-Naqa
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Correspondence to Ali El-Naqa.

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El-Naqa, A. A comparative review in regards to estimating bearing capacity in jointed rock masses in northeast Jordan. Bull Eng Geol Environ 63, 233–245 (2004). https://doi.org/10.1007/s10064-004-0235-8

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  • DOI: https://doi.org/10.1007/s10064-004-0235-8

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