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http://dx.doi.org/10.7843/kgs.2016.32.3.39

Development of Dynamic p-y Curve for Jacked Pile by Centrifuge Test  

Yoo, Min-Taek (Korean Railroad Research Institute)
Kwon, Sun-Yong (Samsung C&T)
Lee, Il-Hwa (Korean Railroad Research Institute)
Publication Information
Journal of the Korean Geotechnical Society / v.32, no.3, 2016 , pp. 39-47 More about this Journal
Abstract
In this study, dynamic centrifuge tests in dry sand were conducted in order to evaluate the effect of pile installation on the dynamic p-y curve. According to the result of the pile installation effect on the dynamic p-y backbone curves, the subgrade resistance of a jacked pile in 40 g was found to be greater than that of a jacked pile in 1 g and a preinstalled pile in 1 g. It was also found that differences of the subgrade resistance decrease with the depth of the pile. Applicability of dynamic p-y backbone curve for the bored pile proposed by preceded researcher was evaluated by comparing with the result of centrifuge tests. In addition, dynamic p-y backbone curve for jacking/driven pile was developed by modifying that for the bored pile.
Keywords
Dynamic p-y curve; centrifuge test; pile installation effect; jacked pile; bored pile;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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