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Numerical Evaluation of Soil-Pile-Structure Interaction Effects in Nonlinear Analysis of Seismic Fragility Curves

An Author Correction to this article was published on 26 July 2021

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Seismic fragility curves are considered an effective tool for the evaluation of the behavior of interaction of the soil-pile-structure (ISPS) subjected to earthquake loading. In this research, in order to better understand the ISPS effect, a nonlinear static analysis is applied with a variation of the vertical load, the diameter of pile, and finally the longitudinal steel ratio of the pile in different types of sand (loose, medium, dense) to obtain the capacity curves of each parameter for elaborating the curves of fragility. After a comparison of fragility curves of these parameters, it appears that the effect of the ISPS system is advantageous with respect to the vertical axial load and the diameter of pile, while the longitudinal ratio of the pile depending on the ductility and the lateral resistance of the ISPS system. The proposed equation is intended to help engineers in the design and performance of the soil-pile-structure interaction. The results of this equation provided a convergence with the results of the fragility curves.

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Correspondence to Nesrine Guettafi.

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The original version of this article unfortunately contained a mistake in the affiliation of Nesrine Guettafi. The correct affiliation of Nesrine Guettafi is “LGC-ROI, Civil Engineering Laboratory - Risks and Structures in Interactions, Faculty of Technology, University of Batna 2, Batna 05000, Algeria.”

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Guettafi, N., Yahiaoui, D., Abbeche, K. et al. Numerical Evaluation of Soil-Pile-Structure Interaction Effects in Nonlinear Analysis of Seismic Fragility Curves. Transp. Infrastruct. Geotech. 9, 155–172 (2022).

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  • Seismic
  • Interaction soil-pile-structure
  • Nonlinear static analysis
  • Fragility curves
  • Bridge system
  • Curves of capacity