MECHANICS OF GRANULAR STONE MATERIALS

GRANULAERA STENMATERIALS MEKANISKA EGENSKAPER

In civil engineering granular materials can cause problems. In soil mechanics one deals with granular or particulate media. In those cases the materials involved are usually regarded as being continuous and locally homogeneous in order to treat them with analytical methods. If the grain size, i.e. the length scale at which the materials are heterogeneous, are very small compared to the relevant scales involved in the problem to solve, this approximation is acceptable. If the scale of the heterogeneties is large compared to the length scale relevant for the actual problem, this homogenisation approach seems doubtful. The simplification must be done in describing the physical and mechanical properties of the materials, or there is a high probability of failing to solve the engineering problem. Pavement structures is an example of constructions where unbound granular stone materials are often involved. It is therefore of importance to understand the disorder in the nature of these materials and the variability this causes when it comes to analysing stresses and deformations. It would for example be wise to question if stresses really are distributed as if one was dealing with a continous material. If not, it should be taken into consideration how this might affect resulting deformations. On purpose to gain knowledge about the mechanics of granular stone materials, stress distribution and deformation behaviour have been reviewed and studied. Some probabilistic modelling of stresses in granular materials have been carried out completed with laboratory investigations of stress distribution and deformation processes. (A)

  • Availability:
  • Corporate Authors:

    Chalmers University of Technology, Sweden

    Geohydrologiska, Fack
    S-402 20 Goeteborg 5,   Sweden 
  • Authors:
    • Berg, A
  • Publication Date: 1998

Language

  • Swedish

Media Info

  • Features: References;
  • Pagination: 95p+a p.
  • Serial:
    • PUBLIKATION A
    • Issue Number: 87
    • Publisher: CHALMERS TEKNISKA HOEGSKOLA, GEOLOGI
    • ISSN: 1104-9839

Subject/Index Terms

Filing Info

  • Accession Number: 00779022
  • Record Type: Publication
  • Source Agency: Swedish National Road and Transport Research Institute (VTI)
  • Files: ITRD
  • Created Date: Dec 7 1999 12:00AM