Contact Details

Online Services | Commonwealth Sites | Help | Governor

Search Virginia.gov:

Home

About VTRC

News

Organization

Reports

Projects

Committees

Brian K. Diefenderfer, Ph.D., P. E.
Research Scientist

Phone: (434) 293-1944
Email: Brian.Diefenderfer@VDOT.Virginia.gov

Research:

Flexible pavement design
Nondestructive pavement evaluation
Pavement rehabilitation
Pavement management

Education:

Ph.D., Civil Civil Engineering, Virginia Polytechnic Institute and State University
M.S., Civil Engineering, Virginia Polytechnic Institute and State University
B.S., Civil Engineering, Virginia Polytechnic Institute and State University

Registration:

Professional Engineer, Virginia

Memberships:

American Society of Civil Engineers
member, Highway Pavements Committee, Transportation & Development Institute
Transportation Research Board (TRB)
member of committee, AFD40, Full-Scale and Accelerated Pavement Testing
member of committee, AFD70, Pavement Rehabilitation
Association of Asphalt Paving Technologists (AAPT)

Awards:

Dean's List for Excellence in Teaching, College of Engineering, Virginia Polytechnic Institute and State University, fall 1998, spring 1999

Research Advisory Committee:

Pavement Research Advisory Committee - Executive Secretary

Projects:

94180 - Analysis of Full-Depth Reclamation Trial Sections in Virginia - Co-Principal Investigator

86358 - Field Testing of High-Binder Content Base Layer HMA Mixtures - Co-Principal Investigator

91023 - Updating Truck Factors for Pavement Design in Virginia Using Weigh-In-Motion Data - Principal Investigator

85414 - Composite pavements: Synthesis of Design and Construction Practices - Co-Principal Investigator

78546 - Evaluation of I-64 Jointed Reinforced Concrete Pavement Rehabilitation - Richmond and Hampton Roads Districts - Principal Investigator

77209 - Determination of the In-Situ Subgrade Resilient Modulus And Effective Structure Number of VDOT Interstate Network - Co-Principal Investigator

78286 - Asphalt Materials Characterization in Support of Implementation of the Proposed Mechanistic-Empirical Pavement Design Guide - Co-Principal Investigator

79195 - Investigation of the Rolling Wheel Deflectometer (RWD) as a Network Level Pavement Structural Evaluation Tool - Co-Principal Investigator

75397 - Design of High Modulus- High Binder Asphalt Layers - Principal Investigator

74880 - Cost and Benefits of a Formalized Preventive Roadway Maintenance Program for Virginia - Co-Principal Investigator

66818 - Evaluation of Effectiveness of Subsurface Drainage Systems in Pavement Structures - Co-Principal Investigator

Publications:

10-R5 - Investigation of the Rolling Wheel Deflectometer As a Network-Level Pavement Structural Evaluation Tool

10-R3 - Evaluation of Jointed Reinforced Concrete Pavement Rehabilitation on I-64 in the Richmond and Hampton Roads Districts of Virginia

09-R18 - Development of truck equivalent single-axle load (ESAL) factors based on weigh-in-motion data for pavement design in Virginia

09-CR2 - Composite pavement systems: synthesis of design and construction practices

08-R18 - Network-level pavement evaluation of Virginia's interstate system using the falling weight deflectometer

07-R18 - Forensic investigation of brick paver crosswalks at Court Square in Charlottesville, Virginia

07-R15 - Design of a high-binder--high-modulus asphalt mixture

07-R1 - Determination by the falling weight deflectometer of the in-situ subgrade resilient modulus and effective structural number for I-77 in Virginia

07-CR10 - Asphalt materials characterization in support of implementation of the proposed mechanistic-empirical pavement design guide

06-R8 - Development of a pavement warranty contract and performance specification for a hot-mix asphalt resurfacing project

06-R37 - Use of nondestructive evaluation to detect moisture in flexible pavements

05-R35 - Effect of subsurface drainage on the structural capacity of flexible pavement

05-R12 - Crossing structure recommendations for at-grade rail crossings of U.S. Routes 29 and 15 in Prince William County, Virginia