Hydrabolt and Split Set Rock Bolt Selection Method Under the Bieniawski Rock Mass Rating for Improving Horizontal Access Support in Peruvian Mid-Scale Mining Activities. - Carlos Toscano-Alor; Antoni Castillo-Rodil; Humberto Pehovaz-Alvarez; Carlos Raymundo; Nestor Mamani-Macedo; Javier M. Moguerza (AHFE (9), 2020)