지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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The seepage quantity analysis of reservoir embankment is very important for assessment of embankment safety. However, theconventional analysis does not consider uncertainty of soil properties. Permeability is known that the coefficient of variation is largerthan other soil properties and seepage quantity is highly dependent on the permeability of embankment. Therefore, probabilisticanalysis should be carried out for seepage analysis. To designers, however, the probabilistic analysis is not an easy task. In thispaper, the method that can be performed probabilistic analysis easily and efficiently through the numerical analysis based commercialprogram is proposed. Stochastic response surface method is used for approximate the limit state function and when estimating thecoefficients, the moving least squares method is applied in order to reduce local error. The probabilistic analysis is performed byLHC-MCS through the response surface. This method was applied to two type (homogeneous, core zone) earth dams and permeabilityof embankment body and core are considered as random variables. As a result, seepage quantity was predicted effectively byresponse surface and probabilistic analysis could be successfully implemented.
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참고문헌 (20)
참고문헌 신청
Ahmed, A. A. / 2009 / Stochastic analysis of free surface flow through earth dams / Computers and Geotechnics 36 (7) : 1186 ~ 1190
Baecher, G. B. / 2003 / Reliability and Statistics in Geotechnical Engineering / John Wiley & Sons
Berveiller, M. / 2004 / Comparison of methods for computing the response coefficients in stochastic finite element analysis / Proc. Second International ASRANet Colloquium, Barcelo
Box G. E. P. / 1951 / On the experimental attainment of optimum conditions / Journal of the Royal Statistical Society B 13 (1) : 1 ~ 45
Bucher, C. G. / 1990 / A fast and efficient response surface approach for structural reliability problems / Structural Safety 7 (1) : 57 ~ 66
Baecher, G. B. / 2003 / Reliability and Statistics in Geotechnical Engineering / John Wiley & Sons
Berveiller, M. / 2004 / Comparison of methods for computing the response coefficients in stochastic finite element analysis / Proc. Second International ASRANet Colloquium, Barcelo
Box G. E. P. / 1951 / On the experimental attainment of optimum conditions / Journal of the Royal Statistical Society B 13 (1) : 1 ~ 45
Bucher, C. G. / 1990 / A fast and efficient response surface approach for structural reliability problems / Structural Safety 7 (1) : 57 ~ 66
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