The Influence of Cyclic Loading on the Lateral Load Response of Groups of Piles

by Dan A. Brown, Auburn Univ, United States,

Document Type: Proceeding Paper

Part of: Foundation Engineering: Current Principles and Practices


The effects of cyclic loading on the lateral response of closely spaced groups of piles has been widely considered to be a single pile phenomenon, related to gapping and scour around the individual piles. The degradation of soil response due to cyclic loading, commonly expressed in terms of p-y curves, is thus often limited to that of an isolated individual pile. This paper examines data from a recent experiment on a pile group in clay soil, and provides evidence that cyclic loading effects on laterally loaded piles may be accentuated by group effects.

Subject Headings: Lateral loads | Cyclic loads | Pile groups | Load tests | Load bearing capacity | Load factors | Scour | Chemical degradation

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