Creep Fracture of Rock

Abstract

Experiments were conducted to assess the time-dependent behavior of brittle rock and of rough, unfilled tension joints as a function of stress state and water content at ambient temperature. Quasi-static tests were performed on Westerly granite, Nugget sandstone and Tennessee marble at confining pressures up to 10,000 psi. Creep was measured on granite and sandstone at 1,000 psi, 5, 000 psi and 10,000 psi confining pressure. Finally, creep tests were carried out on granite in uniaxial tension. Both axial and lateral strains were measured in all experiments.

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1973
Accession Number
AD0775231

Entities

People

  • Wayne S. Brown
  • Wolfgang R. Wawersik

Organizations

  • University of Utah

Tags

Communities of Interest

  • Air Platforms
  • C4I
  • Energy and Power Technologies
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Creep
  • Creep Tests
  • Engineering
  • Materials
  • Measurement
  • Mechanical Engineering
  • Mechanical Properties
  • Mechanical Working
  • Mechanics
  • Physical Properties
  • Pore Pressure
  • Pressure Gages
  • Pressure Regulators
  • Shear Stresses
  • Stress Strain Relations
  • Stresses
  • Tensile Strength

Readers

  • Mechanical Engineering/Mechanics of Materials.