NUMERICAL SIMULATION OF DEFORMATION OF SOIL PORE STRUCTURE

A two-dimensional total stress model for simulating the interaction of soil deformation and structure is described. Soil structure is defined as a set of connected porosity elements (p-els). Neighbouring p-els are considered to be connected by linear springs whose strength is proportional to the porosity of the elements. The resulting spring set is deformed by applying forces or displacements to the boundaries. Solving a set of simultaneous equations produces the displacements of the centres of the p-els. The final porosity and forces are calculated from the displacements. Compression, cone and shear tests were simulated on three model soil structures (regular, random and aggregated). Results of deformation were as expected but detailed results were structure-dependent. (A) For the covering abstract see IRRD 881647.

Language

  • English

Media Info

  • Features: References;
  • Pagination: p. 1123-8

Subject/Index Terms

Filing Info

  • Accession Number: 00729163
  • Record Type: Publication
  • Source Agency: Transport Research Laboratory
  • ISBN: 90-5410-583-6
  • Files: ITRD
  • Created Date: Dec 12 1996 12:00AM