Geomechanical model for surface excavation in tropically weathered granite / by Seyed Vahid Alavi Nezhad Khalil Abad, 1980-,Eauthor 500280, Edy Tonnizam Mohamad, supervisor 485143, Ibrahim Komoo, supervisor 311145, Mohd. For Mohd. Amin supervisor 279725, Fakulti Kejuruteraan Awam 8022