Bearing capacity evaluation of shallow foundations using the distinct element method

Meng-Chia Weng*, S. H. Tung, C. C. Yu, C. I. Ho

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This research aims to investigate the bearing capacity of shallow foundation on the granular materials. The software PFC2D based on the distinct element method is adopted. The parameters including the packing of particles, the basic friction angle, the particle size and the particle stiffness are considered to find which the major influence factor of the bearing capacity is. The simulation results show that: (1) in the dense packing state, the failure pattern is similar to the general shear failure, and in the loose packing state, the pattern reflects the punch failure; (2) an increasing friction angle increase the bearing capacity; (3) the larger size and the higher stiffness will lead to the higher strength, but these major influence factors are not considered in the previous limit equilibrium theory.

Original languageEnglish
Title of host publicationProceedings of the 12th International Conference on Civil, Structural and Environmental Engineering Computing
DOIs
StatePublished - 1 Dec 2009
Event12th International Conference on Civil, Structural and Environmental Engineering Computing, CC 2009 - Funchal, Madeira, Portugal
Duration: 1 Sep 20094 Sep 2009

Publication series

NameProceedings of the 12th International Conference on Civil, Structural and Environmental Engineering Computing

Conference

Conference12th International Conference on Civil, Structural and Environmental Engineering Computing, CC 2009
CountryPortugal
CityFunchal, Madeira
Period1/09/094/09/09

Keywords

  • Distinct element method
  • Granular material
  • Shallow foundation

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