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A Numerical Study on the Variation of Initial Stress Ratio by Erosion of Transversely Isotropic Rock Mass  

최미진 (전남대학교 대학원 지구시스템공학과)
김원범 (전남대학교 대학원 지구시스템공학과)
양형식 (전남대학교 건설지구환경공학부)
Publication Information
Tunnel and Underground Space / v.14, no.5, 2004 , pp. 339-344 More about this Journal
Abstract
Variation of horizontal to vertical stress ratio of transversely isotropic rock caused by erosion was studied by numerical analysis. Influence of transversely isotropic was less than 5% for isotropic case. Difference between stresses obtained by numerical analysis and theoretical solution was small when initial stress ratio was small and the difference increased as erosion depth increased. Stress ratios diverged from initial ones as depth increased. An equation to determine stress ratio considering erosion according to the analyses was suggested.
Keywords
Transversely-isotropic; Erosion; Numerical analysis; Initial stress ratio;
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