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Engineering Geological Characteristics of Sedimentary Rocks at Ulsan Area  

Kim, Kwang-Sik (Underground Structure Div., Korea Institute of Construction Technology(KICT))
Kim, Kwang-Yeom (Underground Structure Div., Korea Institute of Construction Technology(KICT))
Seo, Yong-Seok (Dept. of Earth & Environmental Sci. & Institute for Basic Science Research, Chungbuk National University)
Kim, Chang-Yong (Underground Structure Div., Korea Institute of Construction Technology(KICT))
Publication Information
The Journal of Engineering Geology / v.17, no.4, 2007 , pp. 535-544 More about this Journal
Abstract
Discontinuities developed in a sedimentary rock mass are the most important factor to determine mechanical properties of the rock mass. Parameters described discontinuities in rock mass generally connote heterogeneity and uncertainty. In this study, probabilistic statistics method was used to determine parameters of discontinuities quantitatively and objectively. The field survey was conducted at 33 sedimentary rock slopes in Ulsan area, according to the suggested methods for the quantitative description of discontinuities in rock mass(ISRM, 1978). The engineering geological characteristics of the sedimentary rocks at Ulsan area was determined as probability distribution function deduced by analyzing parameters of discontinuities.
Keywords
rock mass; discontinuity; sedimentary rock; probability distribution function;
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