Stress-Strain and Fracture Properties of Nugget Sandstone
Abstract
Experimental measurements of the stress-strain and fracture properties of laboratory specimens of Nugget sandstone are described. A servo- controlled triaxial compression testing apparatus was employed which permitted simultaneous control of the lateral and axial stresses. Results are given for a variety of stress path conditions including: unconfined compression and tension, constant confining pressure, proportional stress, constant mean stress, one-dimensional strain, and proportional strain tests. In general, Nugget sandstone was found to be reasonably isotropic and to exhibit considerable inelastic behavior including hysteresis and dilatancy. A plasticity model was formulated which is capable of representing the stress-strain characteristics of the sandstone resonably well over a variety of stress path conditions.
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1971
- Accession Number
- AD0888383
Entities
People
- Stephen R. Swanson
- Wayne S. Brown
Organizations
- University of Utah