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1-11 of 11
Keywords: ppv
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Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1184
... Waveform (MSW) model accurately predicted the dominant frequency at highwalls from near-field blasts. Blast design scenarios were then modeled for blast vibration PPV's and dominant frequency. With parameters from the signature hole blast vibration and fragmentation measurement, the Multiple Blasthole...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0380
... additive strains at a given point in the rock and time, which further complicates blast modeling. This paper shows how the measured peak particle velocity ("PPV") from the signature-hole blast vibration serves as a key controlling parameter for modelling. Using PPV as the controlling parameter, pressures...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0102
... event with a source dimension of between 110 and 240 m affected two primary working levels at a depth of 1808 m (the 38 and 38A levels). The peak particle velocity (PPV) is generally used to estimate the likelihood of damage to the rock mass and structures. It is not an accurate measure of the PPV...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0756
... frequency ppv public diameter msw ARMA 22 756 A Case Study on Trim Blast Fragmentation Optimization Using MBF and MSW Models at an Open Pit Mine in Canada Yang, R. Orica Limited, Watkins, Colorado, USA Pratt, L. and Zhao QC. Orica Canada., Vancouver, BC, Canada Copyright 2022 ARMA, American Rock...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-0012
... element fragmentation charge weight blasthole strain change design parameter kinematic approach ppv application rock mass highwall yang vibration ARMA 21 12 A Kinematic Approach for Blast Modeling Yang, R. Orica Limited, Watkins, CO, USA Copyright 2021 ARMA, American Rock Mechanics...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1030
... applicable to underground blast optimizations. This paper presents the system with the case examples. metals & mining modeling diameter reservoir characterization particle velocity blast vibration artificial intelligence rock fragmentation production blast charge element ppv charge...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-394
... modeling PPV loading support system Energy demand ARMA 16-0394 Framework for Simulating Fracture, Ejection, and Restraint of Rock around a Mine Drift Subjected to Seismic Loading Raffaldi, M.J. National Institute for Occupational Safety and Health, Spokane, WA, USA Loken, M.C. M&K Consulting, Saint...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-297
... vibration seismic force reduction production rate distance model air deck seismic force PPV fragmentation Thailand site parameter ARMA 13-297 Induced Seismic Force Reduction Using Air Deck Blasting at Mae Moh Mine, Thailand Boonnumma, A. Mining Engineering Department, Chiang Mai University...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-476
... ABSTRACT: This paper presents a linear scaled distance methodology to estimate peak particle velocity (PPV) originated from blasting rounds, developed specifically for tunneling and drifting operations. It considers input parameters that are characteristic of different rock mass qualities...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the Golden Rocks 2006, The 41st U.S. Symposium on Rock Mechanics (USRMS), June 17–21, 2006
Paper Number: ARMA-06-1020
... can be estimated by [7]: shear wave theof velocity particlepeak rock theofdensity npropagatio of velocity shear wave change stress dynamic where 4 max max = = = = s s d ss d ppv c ppvc Kaiser et al. (1996) note that for even small seismic events (Richter ~ +1), stress change near excavation...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the The 29th U.S. Symposium on Rock Mechanics (USRMS), June 13–15, 1988
Paper Number: ARMA-88-0579
... been questioned. Smooth predictors cannot adequately describe local random fluctuations of ground vibration. The spatially dependent nature of the data makes the regionalized variable approach suitable. Variograms of peak particle velocity (ppv) and of its associated frequency were developed using...