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Assessment of Shear Strength Parameter for Weathered Soils Using Artificial Neural Network  

Lee, Moo-Cheol (서울시립대학교 토목공학과)
Lee, Song (서울시립대학교 토목공학과)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.12, no.3, 2008 , pp. 147-154 More about this Journal
Abstract
Weathered soil slope loses its shear strength if it is exposed in the air for a long time or in contact with water. And this kind of strength loss is remarkable in dam slope which has very big difference in water level according to the season. In this study, shear strength loss of weathered soil due to saturation had been found out through dryness and wetness repetition direct shear test. Also relation between penetration blow number(Nc) and shear strength parameter had been found out through small sized dynamic cone penetration test device and the correlation equation of Nc had been proposed through artificial neural network analysis to estimate shear strength parameter easily.
Keywords
Artificial neural networks; Nc; Shear strength paramenters; Weathered granite soils;
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