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Browsing by Author "Van Aswegen, G"

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Integration of underground mapping, petrology, and high-resolution microseismicity analysis to characterise weak geotechnical zones in deep South African gold mines

Author: Mngadi, SB ; Durrheim, RJ ; Manzi, MSD ; Ogasawara, H ; Yabe, Y ; Yilmaz, H ; Wechsler, N ; Van Aswegen, G ; Roberts, David P Date: Feb 2019 A highly-stressed shaft pillar is prone to large seismic events, falls of ground and rockbursts, which may cause injuries and loss of production, especially in weak geotechnical zones. It is thus important to identify weak geotechnical zones ... Read more
Mine layout, geological features and seismic hazard.

Author: Van Aswegen, G ; Mendecki, AJ Date: Jan 1993 In the present study, a method is proposed method to estimate strong ground motion from possible large events. The method was demonstrated in two ways. Firstly, the magnitude of ground motion was estimated at distances away from a vertical ... Read more
Seismology for rockbursts prevention, control and prediction.

Author: Mendecki, AJ ; Van ZBrink, A ; Green, RWE ; Mountfort, P ; Dzhafarov, A ; Niewiadomski, J ; Kijko, A ; Sciocatti, M ; Radu, S ; Van Aswegen, G ; Hewlett, P ; De Kock, E ; Stankiewicz, T Date: May 1996 This report discusses the routine seismic monitoring mechanism which was introduced in mines over 30 years ago with two major objectives in mind: to locate major seismic events and thus guide rescue operations and to detect potentials instabilities. Read more

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Browsing by Author "Van Aswegen, G"

Browsing by Author "Van Aswegen, G"

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