1. Center for Innovative Grouting Materials and Technology (CIGMAT), Dept. of Civil and Environmental Engineering, Univ. of Houston, Houston, TX 77204-4003 US (Corresponding author), e-mail: cvipulanandan@uh.edu
2. Center for Innovative Grouting Materials and Technology (CIGMAT), Dept. of Civil and Environmental Engineering, Univ. of Houston, Houston, TX 77204-4003 US, e-mail: ahmedsalih_m@yahoo.com