Open AccessGeological mapping of entry roof in mines
Author(s) -
Quanzhong Gu
Publication year - 2019
Language(s) - English
Resource type - Dissertations/theses
DOI - 10.33915/etd.2479
Subject(s) - drilling , classification of discontinuities , borehole , geology , discontinuity (linguistics) , drill , roof , drill bit , measurement while drilling , mining engineering , rock mass classification , geotechnical engineering , engineering , structural engineering , mechanical engineering , mathematical analysis , mathematics