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<p>This study focuses on enhancing the lateral load-bearing capacity of single piles under static and dynamic loading scenarios by incorporating Fiber-Reinforced Soil (FRS) in the topsoil layer surrounding the pile. Utilising 3D finite element analyses, the load-deflection behaviour of the pile was investigated under varying conditions. Two types of fibers (nylon and papyrus) are examined alongside three different aspect ratios (10, 15, and 20) of the pile. Our findings underscore the profound influence of topsoil layer properties on the capacity of piles for lateral loading. Introducing FRS at an optimal depth, approximately 2.5–3 times the pile diameter, and with an area spanning 5–7 times the pile diameter, notably improves the pile's stiffness and load-bearing capability. Further, the study unveils that the system's resonant frequency shifts to a higher value when FRS is introduced, indicating improved resistance to dynamic loads. This research provides valuable insights for optimising pile design, offering a practical approach to enhance the stability and performance of deep foundations in the face of growing demands for innovative and resilient structural solutions.</p>

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A Numerical Study on Laterally Loaded Piles in Fiber-Reinforced Soil Under Static and Dynamic Loading

  • 期刊论文

  • 发表日期：

    2026年1月5日

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  • Ankit Kumar Suman,
  • Sanjit Biswas,
  • J S Rajeswari

摘要

This study focuses on enhancing the lateral load-bearing capacity of single piles under static and dynamic loading scenarios by incorporating Fiber-Reinforced Soil (FRS) in the topsoil layer surrounding the pile. Utilising 3D finite element analyses, the load-deflection behaviour of the pile was investigated under varying conditions. Two types of fibers (nylon and papyrus) are examined alongside three different aspect ratios (10, 15, and 20) of the pile. Our findings underscore the profound influence of topsoil layer properties on the capacity of piles for lateral loading. Introducing FRS at an optimal depth, approximately 2.5–3 times the pile diameter, and with an area spanning 5–7 times the pile diameter, notably improves the pile's stiffness and load-bearing capability. Further, the study unveils that the system's resonant frequency shifts to a higher value when FRS is introduced, indicating improved resistance to dynamic loads. This research provides valuable insights for optimising pile design, offering a practical approach to enhance the stability and performance of deep foundations in the face of growing demands for innovative and resilient structural solutions.