Response of Reinforced Concrete Piles including Soil-Pile interaction Effects

Abstract eng:
Due to recent destructive earthquakes, the lateral behaviors of pile foundations have been extensively investigated through experimental and numerical studies. The main objective of this work is to develop the frame model with lateral deformable supports for pile-soil systems under cyclic lateral loadings. This proposed model is simple and computational efficient but capable of representing the salient features of pile-soil systems under cyclic lateral loadings; including dragging force and gap formation along the pile-soil interfaces as well as hysteretic responses of surrounding soils and piles. The accuracy of the proposed model is verified through correlation studies on full scale tests of Cast-In-Drilled-Hole (CIDH) piles partially embedded in cohesionless soil. Results from these correlation studies indicate that the proposed model can represent well both on global and local hysteretic responses.

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