On the Critical Relative Displacement of Pile Shaft and Surrounding Soilby Myoung Mo Kim, Seoul Nat Univ, Seoul, Republic of Korea,
Eun-Chul Shin, Seoul Nat Univ, Seoul, Republic of Korea,
Hon-Yim Ko, Seoul Nat Univ, Seoul, Republic of Korea,
Abstract: Model pile pull-out tests have been conducted to investigate the characteristics of the critical relative displacement at which the critical pile skin resistance is mobilized. Test results show that the critical relative displacement is neither constant nor pile size dependent, but it is most closely related to the magnitude of the critical skin resistance. An empirical relationship between the two quantities has been established from the experimental results.
Subject Headings: Pile tests | Displacement (mechanics) | Load and resistance factor design | Load tests | Model tests | Pullout behavior | Soil tests | Lateral loads
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