COULOMB FRICTION, PLASTICITY, AND LIMIT LOADS

Abstract

Additional attention is given to the somewhat subtle but extremely important difference between Coulomb friction and the apparently corresponding resistance to plastic deformation. It is shown that the limit theorems previously proven for assemblages of perfectly plastic bodies do not always apply when there is finite sliding friction. Theorems are developed which relate the limit loads with finite Coulomb friction to the extreme cases of zero friction and of complete attachment, and also to the case where the frictional interfaces are "cemented" together with a cohosionless soil.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1953
Accession Number
AD0002902

Entities

People

  • D. C. Drucker

Organizations

  • Brown University

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Applied Mathematics
  • Applied Mechanics
  • Coefficients
  • Cohesionless Soils
  • Collapse
  • Continuum Mechanics
  • Discontinuities
  • Dissipation
  • Equations
  • Friction
  • Geometry
  • Mathematics
  • Mechanics
  • Plastic Properties
  • Relative Motion
  • Sliding Friction
  • Strain Rate

Readers

  • Structural Dynamics.
  • Theoretical Analysis.
  • Tribology (the study of the boundary interaction between sliding surfaces, lubrication, wear and friction).