[1] Omega Concrete Systems, Inc., 5525 Kaw Drive, Kansas City,KS,66102, United States
[2] Durham School of Architectural Engineering and Construction, University of Nebraska-Lincoln, 1110 S 67th St., Omaha, NE, 68182 and Tikrit University, Tikrit, Iraq
[3] Department of Civil and Environmental Engineering, Clarkson University, 8 Clarkson Ave., Potsdam,NY,13699, United States
[4] Durham School of Architectural Engineering and Construction, University of Nebraska-Lincoln, 1110 S 67th St., Omaha,NE,68182, United States