1. Member, ASCE
2. Postdoctoral Fellow, Dept. of Civ. and Envir. Engrg., Univ. of Houston, Houston, TX 77204-4791.
3. Prof. and Dir., Ctr. for Innovative Grouting Materials and Technol. (CIGMAT), Dept. of Civ. and Envir. Engrg., Univ. of Houston, Houston, TX 77204-4791.