On the Critical Relative Displacement of Pile Shaft and Surrounding Soil

by 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,

Document Type: Proceeding Paper

Part of: Foundation Engineering: Current Principles and Practices


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: Displacement (mechanics) | Piles | Shafts | Load tests | Soil tests | Pile tests | Lateral loads | Soil classification

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