Dennis Duffy Emeritus Professor, University Provost - Business and Human Resources Operations [email protected] Phone: 480-965-3378 SCHWADA CLASSRM OFC BLDG TEMPE, AZ 85287 Biography Research Teaching Previous Next 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). Presentations