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Dennis Duffy

Research Activity: 
  • Duffy,Dennis Michael. SPECIFIC APPLICATIONS OF SHOTCRETE TO ENHANCE ROCK MASS STABILITY, PHASE II. AZ DEPT OF TRANSPORTATION(10/1/1997 - 2/28/2005).
  • Duffy,Dennis Michael. SPECIFIC APPLICATION OF SHOTCRETE TO ENHANCE ROCK MASS STABILITY, PHASE II. AZ DEPT OF TRANSPORTATION(10/1/1997 - 7/31/2000).
  • Duffy,Dennis Michael. EXAMINATION OF TRENCH STABILITY AND PREDICTION OF FAILURE. (2/13/1990 - 4/17/1992).