"Person"@en . "Person"@en . "Department of Civil and Environmental Engineering, University of Houston"@en . . . . . "Ballarini, Roberto"@en . . . _:b1 . _:b1 "initial version"@en . _:b1 "2018-10-12T10:50:37-05:00" . _:b1 "Diana Dulek" . "Source: University of Houston Electronic Theses and Dissertations."@en . . . .