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Keywords: stand-up time
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Proceedings Papers
Preliminary Assessment of Primary Stope Performance for a Seismically Active Mine
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1679
... of the univariate analysis showed the OB for the hangingwall of stope type A and the UB for the east and west walls of stope type B were the critical underperforming parameters. Bivariate analysis showed trends linking OB to Richter scale seismic events, rock quality designation, stand-up time, and spatial...
Proceedings Papers
Stability Analysis and Preliminary Support Design for Longhole Stoping Prefeasibility Study of a Greenfield Platinum Project
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-445
... and declines Large Typically 15m 1.6 9.4 excavations Short tunnels 5m by 5m 1.6 3.1 Intersections 8m 1.6 5 Having classified the rock mass, preliminary support design was done based on the type of excavation to be made. Stability analysis of excavations was also based on stand up times of both production...
Proceedings Papers
Ground Control Investigations For Assessment of Roof Conditions In Coal Mines
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the The 21st U.S. Symposium on Rock Mechanics (USRMS), May 27–30, 1980
Paper Number: ARMA-80-0691
... and the stand-up time. The roof conditions were
interpreted by means of engineering rock mass classification
systems. It was found that the roof quality
could be effectively assessed by the Geomechanics
Classification of rock masses. Improvements in the
procedures for evaluating mine roof conditions...
