Dynamic Tensile Failure in Rocks

Abstract

A simple homogeneous rock, Arkansas novaculite, was chosen for dynamic tensile failure studies. Experimental techniques for performing dynamic tensile tests on rocks were developed and used to provide meaningful measurements of dynamic tensile strength. A way to eliminate the occurrence of undesirable radial cracking of the specimen during testing was found; specimen recovery and fracture analysis methods were implemented. Novaculite specimens were characterized with respect to static and dynamic fracture strength, fracture toughness, defect and microstructure, and other properties and parameters pertinent to the fracture behavior.

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Document Details

Document Type
Technical Report
Publication Date
Mar 11, 1972
Accession Number
AD0743988

Entities

People

  • Carl F. Petersen
  • Donald A. Shockey
  • Donald R. Curran
  • John T. Rosenberg

Organizations

  • SRI International

Tags

Communities of Interest

  • Advanced Electronics
  • Air Platforms
  • Weapons Technologies

DTIC Thesaurus Topics

  • Crack Propagation
  • Cracks
  • Dynamic Loads
  • Fracture (Mechanics)
  • Gas Guns
  • Materials
  • Measurement
  • Mechanical Properties
  • Mechanics
  • Metals
  • Modulus Of Elasticity
  • Orientation (Direction)
  • Resistance
  • Strain Rate
  • Stresses
  • Tensile Strength
  • Tensile Stress

Readers

  • Geotechnical Engineering.
  • Materials Science (Mechanical Engineering).
  • Systems Analysis and Design