Development and experimental validation of P-Y curves for rectangular piles

This paper conducted in-situ horizontal load tests on rectangular piles both before and after grouting and systematically analyzed the data. Firstly, the typical response characteristics of rectangular piles in gravelly soil under horizontal loading were determined. Secondly, a set of p-y curve models applicable to rectangular section piles was constructed by utilizing hyperbolic equations combined with the in-situ shear strength parameters and deformation parameters of the soil. Finally, based on the constructed p-y curve models, various important factors determining the response of rectangular piles under horizontal loading were analyzed in detail.