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An Estimation Technique of Rock Mass Classes for a Tunnel Design  

유광호 (수원대학교 토목공학과)
Publication Information
Journal of the Korean Geotechnical Society / v.19, no.5, 2003 , pp. 319-326 More about this Journal
Abstract
In site investigation for tunnel designs, nowadays, geophysical exploration such as seismic exploration and electric resistivity exploration as well as drilling logging is frequently carried out. A method which can systematically make the utmost use of all available data obtained from investigation, therefore, is strongly required for the optimal evaluation of ground conditions in terms of rock mass class, etc. Many researchers have proposed using qualitative data to cope with the lack of quantitative data. In this study, an evaluation technique of rock mass classes in undrilled region was proposed based upon multiple indicator kriging method which is a geostatistical technique. It was shown that two types of data with different degree of uncertainty, for example, drilling logging data and geophysical exploration data, could be simultaneously utilized in evaluating rock mass classes for a real tunnel design.
Keywords
Geostatistics; Multiple indicator kriging; Rock mass classification;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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