Affiliation: | 1. School of Civil and Resource Engineering, FEBE, Technical University of Kenya, P.O Box 52428-00200, Nairobi, Kenya;2. Civil & Environmental Engineering Department, Federal University of Technology, Akure, Nigeria;1. Antofagasta Minerals, Apoquindo 4001, piso 18, Santiago, Chile;2. 27 West Hill Park, Highgate Village, London N6 6ND, England, United Kingdom;3. Plaza la Flor 11, Peñafiel, Valladolid 47300, Spain;4. Avenida Kennedy 4820, Departamento 42, Vitacura, Santiago, Chile |