ANALYSIS OF BEHAVIOR OF SAND SURROUNDING PILE TIPS

The author presents a finite-element model to predict the behavior of dense sand surrounding the pile tip in a fairly large stress range where particle breakage occurs. The model is based on a constitutive model for sand that is characterized by critical-state--type yield surfaces and a nonlinear Mohr-Coulomb failure criterion. The latter is defined by constant-volume shear strength and dilatancy. Also, the author introduces the concept of constant relative breakage surfaces, which represent families of curves characterized by constant amounts of particle crushing. When applied to the analysis of the behavior of the tip of nondisplacement piles in sand, the method can be used to visualize and predict the distribution of strength, dilatancy, and grain breakage in the soil surrounding the pile base.

Language

  • English

Media Info

  • Features: Appendices; Figures; References; Tables;
  • Pagination: p. 897-905
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00730022
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Dec 30 1997 12:00AM