[1] Dept. of Civ. and Envir. Engrg., Tennessee Technol. Univ., Cookeville,TN,38505-0001, United States
[2] St. Anthony Fall Lab., Univ. of Minnesota, Minneapolis,MN,55455, United States
[3] Dept. of Civ. and Envir. Engrg., Univ. of California, Berkeley,CA,94720., United States