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| Brian Diefenderfer , PhD, P.E. |
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| Research Scientist – VTRC |
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Brian Diefenderfer
Virginia Transportation Research Council
530 Edgemont Road, Charlottesville, VA 22903 |
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Phone: 434-293-1944
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Biographical Information
Brian Diefenderfer is a Research Scientist at the Virginia Transportation Research Council and a Visiting Assistant Professor of Civil Engineering at the University of Virginia. Dr. Diefenderfer received his B.S., M.S., and Ph.D. in Civil Engineering from Virginia Tech in 1996, 1998, and 2002, respectively. While at Virginia Tech, he concentrated his studies on civil engineering materials, nondestructive evaluation, and infrastructure condition assessment. Prior to coming to VTRC, Brian was employed with a research/consulting engineering firm where he worked on evaluating the condition and predicting the service life of deteriorating reinforced concrete structures. Dr. Diefenderfer is a registered Professional Engineer in the Commonwealth of Virginia.
Awards
Dean's List for Excellence in Teaching, Fall 1998 and Spring 1999, College of Engineering, Virginia Tech
Research Interests
- Asphalt pavement design and testing
- Pavement evaluation using nondestructive methods
- Pavement rehabilitation
- Pavement warranties
Recent Publications
Diefenderfer, B. K. (2005) "Crossing Structure Recommendations for At-Grade Rail Crossings of U.S. Routes 29 and 15 in Prince William County, Virginia." Report No. VTRC 05-R12, Virginia Transportation Research Council, Charlottesville, February, 24p.
Diefenderfer, B. K., I. L. Al-Qadi, and A. Loulizi (2000) "Laboratory Calibration and Field Verification of Soil Moisture Content Using Time-Domain Reflectometry Probes." Transportation Research Record, No. 1699, Transportation Research Board, Washington, DC, 142-150.
Loulizi, A., I. L. Al-Qadi, and B. K. Diefenderfer (2000) "Effects of DCI on Concrete Rapid Chloride Permeability Values and its Dielectric Properties." ACI Materials Journal, Vol. 97, No. 4, 465-471.
Diefenderfer, B. K. and I. L. Al-Qadi (1999) "Capacitor Probe to Monitor Concrete Curing and Detect Internal Flaws." Structural Faults and Repair - 99, 8th International Conference and Exhibition, London, UK.
Diefenderfer, B. K. and Bryant Jr, J. W. (2006) "Development of a Pavement Warranty Contract and Performance Specification for a Hot-Mix Asphalt Resurfacing Project." Proceedings of the 2006 Airfield and Highway Pavements Specialty Conference, ASCE, Atlanta, GA, April 30 - May 3 2006, pp. 996-1007.
Diefenderfer, B. K., Mokarem, D. W., and Sharp, S. R. (2006) "Use of Nondestructive Evaluation to Detect Moisture in Flexible Pavements." Report No. VTRC 06-R37, Virginia Transportation Research Council, Charlottesville, June, 32p.
Maupin, G. W. and B. K. Diefenderfer (2007) "Design of a High Binder - High Modulus Intermediate Mixture." Report No. VTRC 07-R15, Virginia Transportation Research Council, Charlottesville, January, 28p.
Diefenderfer, B. K., Al-Qadi, I. L., and Diefenderfer, S.D. (2005) "A Model to Predict Pavement Temperature Profile: Development and Validation." ASCE, Journal of Transportation Engineering, Vol. 132, pp. 162-167.
Diefenderfer, B. K., Galal, K., and Mokarem, D. W. (2005) "Effect of Subsurface Drainage on the Structural Capacity of Flexible Pavements." Report No. VTRC 05-R35, Virginia Transportation Research Council, Charlottesville, June, 27p.
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