20-025 ADDRESSING STONE MINE PILLAR DESIGN WITH THE NIOSH S-PILLAR SOFTWARE

von Murphy, M.
Veröffentlicht in SME Annual Conference & Expo (2020 : Phoenix, Ariz.) SME Annual Conference & Expo 2020 (2020)

Bleeder Entry Evaluation Using Condition Mapping and Numerical Modeling

von Klemetti, T. TM.
Veröffentlicht in ICGCM (39. : 2020 : Canonsburg, Pa.) 39th International Conference on Ground Control in Mining (ICGCM 2020) (2020)

Assessing Support Alternatives for Longwall Gate Roads Subject to Changing Stress

von Esterhuizen, G. S.
Veröffentlicht in ICGCM (39. : 2020 : Canonsburg, Pa.) 39th International Conference on Ground Control in Mining (ICGCM 2020) (2020)

ROCKMASS PERMEABILITY INDUCED BY LONGWALL MINING UNDER DEEP COVER: POTENTIAL GAS INFLOW FROM A SHEARED GAS WELL

von Khademian, Z.
Veröffentlicht in SME Annual Conference & Expo (2022 : Salt Lake City, Utah) SME Annual Conference & Expo 2022 (2022)

Die tekening van die menslike figuur as 'n "projeksie"-tegniek

von Nel, Barend F.
Veröffentlicht 1958