Numerical Analysis of Laterally Loaded Piles Affected by Bedrock Depth

This study investigates the lateral behavior of pile foundations socketed into bedrocks using 3D finite difference analysis. The lateral load-displacement curve, pile deflection, and bending moment distribution were obtained for different bedrock depths between 3 and 20 m. It was discovered that bedrocks that have a depth of 7 m (7D) or less influence the lateral behavior of the pile. Thep-ycurves were collected at depths of 2.0–4.5 m, and the effect of the bedrock on the curves was evaluated. It was observed that thep-ycurves were significantly affected by the material properties of the bedrock if the rock is located in close proximity (within 3D), but the effect is diminished if thep-ycurves were 3.5 m (3.5D) or farther from the bedrock.

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