Crushable soils, such as calcareous and volcanic soils, present challenges to offshore infrastructure due to their weak grain structures that are prone to breakage under load. Although various studies have explored pile behavior in these soils, the specific impact of packing density on end-bearing capacity re-mains underexplored. This study employs an advanced constitutive model integrated into finite element analysis using Plaxis 2D to examine the role of packing density in pile performance. Numerical simulations across different densities and confining pressures reveal that higher packing density increases end-bearing capacity, though this effect diminishes with increasing confining pressure.

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End Bearing Capacity of Pile on Crushable Soils Considering Packing Density Effect

  • Trong Nghia-Nguyen,
  • Mamoru Kikumoto

摘要

Crushable soils, such as calcareous and volcanic soils, present challenges to offshore infrastructure due to their weak grain structures that are prone to breakage under load. Although various studies have explored pile behavior in these soils, the specific impact of packing density on end-bearing capacity re-mains underexplored. This study employs an advanced constitutive model integrated into finite element analysis using Plaxis 2D to examine the role of packing density in pile performance. Numerical simulations across different densities and confining pressures reveal that higher packing density increases end-bearing capacity, though this effect diminishes with increasing confining pressure.