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Coupled Effect of Pile/Slope Systems  

정상섬 (연세대학교 토목공학과)
유광호 (수원대학교 토목공학과)
이선근 (연세대학교 토목공학과)
Publication Information
Journal of the Korean Geotechnical Society / v.19, no.5, 2003 , pp. 163-173 More about this Journal
Abstract
In this paper, a numerical comparison of predictions by limit equilibrium analysis and 3D analysis is presented for slope/pile system. Special attention is given to the coupled analysis based on the explicit finite difference code, FLAC 3D. To this end, an internal routine (FISH) was developed to calculate a factor of safety for a file reinforced slope according to shear strength reduction technique. The case of coupled analyses was performed for stabilizing piles in slope in which the pile response and slope stability are considered simultaneously. In this study, by using these methods, the failure surfaces and factors of safety were compared and analyzed in several cases, such as toe, middle and top of the slope, respectively. Furthermore, the coupled method based on shear strength reduction technique was verified by the comparison with other analysis results.
Keywords
3-D analysis; Coupled/uncoupled analysis; Factor of safety; Limit equilibrium analysis; Pile-slope system; Shear strength reduction;
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