[1] Villanova Univ, Dept Civil & Environm Engn, 800 Lancaster Ave, Villanova, PA 19085 USA
[2] Zhejiang Univ, Coll Civil Engn & Architecture, Minist Educ, Key Lab Soft Soils & Geoenvironm Engn, 866 Yuhangtang Rd, Hangzhou 310058, Zhejiang, Peoples R China
[3] Univ Wisconsin, Dept Civil & Environm Engn, 1 Univ Plz, Platteville, WI 53818 USA