Abstract
Abstract In this study, the dynamic load transfer function, which is necessary for analyzing a pile installed by avibro hammer, was determined by comparing the results of the analyses and instrumented tests. The static load transfer function was modeled by the Ramberg-Osgood model through an analytical method before determining the dynamic load transfer curve. The parameters of the Ramberg-Osgood model were correlated with the N value of thestandard penetration test and average values of the correlation coefficient were 0.97 for the shaft load transfer and0.98 for the base load transfer. The dynamic load transfer function was simulated using the modified Ramberg-Osgoodmodel. The results showed that there were little differences in the characteristics of dynamic load transfer betweenthe results of the measurement and prediction. Key Words : Dynamic load transfer function, Static load transfer curve, Ramberg-Osgood model, Modified Ramberg-Osgood model * Corresponding Author : Ki-Yong Yoon(Sunmoon University)Tel: +82-41-530-2326 email: kyyoon@sunmoon.ac.krReceived March 3, 2014 Revised March 21, 2014 Accepted June 12, 2014
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