sealPurdue Pothole Experts


Menashi D. Cohen

Professor, civil engineering
(765) 494-5018

Researches the freezing resistance and durability of high-strength concrete. Seeks ways to reduce the pressure when water in concrete alternately freezes and thaws, cracking the concrete. One approach is reducing the water used to mix concrete.

John H. Cushman

Professor, agronomy
(765) 494-8040

Expertise in the physics of fluids in porous media with applications such as the formation of potholes and ground water contamination. Is former director of Indiana Water Resources Center. Editor-in-chief of international journal Stochastic Hydrology and Hydraulics. On editorial boards for the journals Water Resources Research and Transport in Porous Media.

Highway maintenance

Kumares C. Sinha

Olson Distinguished Professor of Civil Engineering
Director, Joint Transportation Research Program
(765) 494-2211

Expert on highway maintenance costs in the United States. Has conducted extensive research on highway, bridge and transportation planning and management nationally and for the state of Indiana, including economics, management, maintenance and financing issues. Has been a consultant to the World Bank on various transportation and infrastructure issues worldwide. Is serving, or has served, as a chairman or member of numerous national committees of the Transportation Research Board and the American Society of Civil Engineers. Is editor-in-chief of the Journal of Transportation Engineering. Has more than 350 technical publications.

Pavements and structures

Vincent P. Drnevich

Head, School of Civil Engineering
Professor, geotechnical engineering
(765) 494-2159

Research areas include pavements and structures, geotechnical engineering, earthquake engineering, and soil structural dynamics. Has consulted with nearly 40 private and public organizations and has published numerous articles.

Purdue News Service: (765) 494-2096; e-mail,

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