Probabilistic Horizontal Stress Ratios in Rock |
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| Authors: | Zekai en and Bahaaeldin H Sadagah |
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| Institution: | (1) Civil Engineering Faculty, Istanbul Technical University, Maslak, 80626 Istanbul, Turkey;(2) Faculty of Earth Sciences, King Abdulaziz University, P.O. Box 1744, Jeddah, 21441, Kingdom of Saudi Arabia |
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| Abstract: | Prior to excavation, any point in a rock mass is subjected to stress, which has to be considered in the overall stress distribution after the excavation work is completed. Over the past three decades, empirical, analytical, and field studies have shown that the ratio of average horizontal stress to vertical stress plays a dominant role in engineering structure design. Notationally, this ratio is referred to as the coefficient of lateral stress K, which is a dimensionless positive quantity. The intent of this paper was to bring out the intrinsic characteristic of K with the use of probabilistic and statistical techniques, which have not been considered extensively in any previous context. |
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| Keywords: | excavation horizontal lateral ratio probability rock stress |
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