Step-by-Step Engineering Design Equations for Fiber-reinforced Plastic Beams for Transportation Structures Contract No: RP#147 Final Report Submitted to West Virginia Department of Transportation Building 5, Room 109 1900 Kanawha Boulevard East Charleston, WV 25305-0440 by Julio F. Davalos, Ph.D. C.W. Benedum Distinguished Teaching Professor Department of Civil and Environmental Engineering, Ever J. Barbero, Ph.D. Professor Dept. of Mechanical and Aerospace Engineering Pizhong Qiao, Ph.D., P.E. Research Assistant Professor (Now Associate Professor, The University of Akron, Ohio) Department of Civil and Environmental Engineering, West Virginia University Morgantown, West Virginia 26506-6103 October 30, 2002