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양기현,백상순,Jose Leo Mission,김형주 대한토목학회 2009 대한토목학회 학술대회 Vol.2009 No.10
Traditional practice for the analysis of single piles involves an independent two-step analysis of the axial and lateral load capacities using separate soil-pile models. An uncoupled model and analysis of a single pile subjected to combined axial and lateral load is presented in this study. The method uses an integrated two-dimensional soil-pile model with the load transfer method using nonlinear T-z, P-y, and Q-z soil spring elements. The integrated model can capture the combined responses of the pile by considering P-delta effects in a single model and one-step analysis. Results of a simulation example have shown that the neglect of the P-delta effects in the analysis of single pile underestimates the lateral deflection and bending moment responses.