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MatCon®'s Inventor
Ronald L. Terrel
 
TERREL RESEARCH. LLC
 
Ronald Terrel has focused his professional activities on innovative research and implementation of construction materials and systems. Terrel Research is the outcome of a career that was balanced among the complimentary activities of research, teaching, and consulting. The Company provides research and consulting services to clients and conducts research on its own proprietary products.
Areas of interest and expertise include asphalt, concrete, pavements, aggregates and other construction materials as well as construction methods and equipment. Included are the development and utilization of new materials testing and evaluation equipment and procedures. Utilization of waste materials in construction and environmental treatment of waste is an activity receiving strong emphasis.
Dr. Terrel has been an Emeritus Professor at the University of Washington (UW) since 1985. Upon completing B.S. and M.S. degrees at Purdue University, he conducted aggregate and concrete materials research projects at the U.S. Bureau of Reclamation from 1960 to 1964. This was followed by two years of project engineering and management for a major contractor on projects in the U.S. and West Indies.
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Upon completing his Ph.D. at U.C. Berkeley in 1967, Dr. Terrel joined the faculty at the University of Washington in Seattle. During his 18-year UW affiliation, he conducted and managed many research projects for public agencies and private organizations. These included utilization of waste products such as rubber tires, glass, wood lignin, and sulfur, and their relation to asphalt pavement performance. He was the first Director of the Washington State Transportation Center (TRAC) and served as Head of the Transportation, Construction, and Geometronics Division at UW. From 1989 to 1994, he served on the Oregon State University faculty as a research professor and was responsible for developing the Environmental Conditioning System (ECS) as part of the Strategic Highway Research Program (SHRP).
 
During his career, Dr. Terrel has worked on extensive consulting assignments which included troubleshooting construction materials problems and a range of product development concepts. Research projects have included the use of waste in asphalt pavements, and mixture evaluation testing for a variety of additives and materials. He has on-going working relationships with contractors and is very familiar with field operations, equipment, testing procedures, and specifications. For example, he was president of the company that developed the drum mixer now used throughout the world and is active in on-going development of hot in-place recycling of asphalt pavements. He holds several patents covering areas of sulphur concrete, laboratory testing equipment, and a system for storing waste in landfills based on polymer modified asphalt.
 
Ron Terrel has had a lifelong interest and commitment to take good new technology from research to implementation. He is active in national organizations such as Transportation Research Board, National Academy of Sciences, Board of Directors for the Association of Asphalt Paving Technologists, and Committee D4 of the American Society for Testing and Materials. He has been active in numerous other professional associations, received several awards, and has published more than 150 technical papers and reports.
 
 
 
 
 
 
 
 
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