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Keywords: mechanism
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Proceedings Papers

Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-013
... One of the ideals of mine seismologists is to observe and describe rock failure phenomena underground and to relate that to the seismic source mechanisms as determined through seismological analysis. In the case of some large fault slip events and Ortlepp shears, reasonable successes have been...
Proceedings Papers

Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-003
... tunnelling is being carried out around the world at depths in excess of 2 km and rockbursting has become a common and serious challenge. The rockburst mechanism is predominantly tunnelling-induced dynamic rupture or strain bursting, distinct from remote or mine-generated events impacting mining excavations...
Proceedings Papers

Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-015
..., the material is less prone to rockbursts as less elastic strain energy is developed prior to failure. The results agree well with various rockburst parameters, which were additionally evaluated and compared. The findings allow a better understanding of the underlying mechanism of rockbursts and...
Proceedings Papers

Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-031
... observations. A typical failure of the surrounding rock mass was observed, and data on the evolution of the microseismicity and its corresponding mechanism during the development of this failure was also obtained. The results provide an overall understanding of the progressive damage and failure evolution in...
Proceedings Papers

Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-055
... Karst caves are often encountered during tunnelling in China. When the caves are filled with groundwater with a high static head, drilling and blasting may induce failure or collapse in the cave wall, resulting in a water inrush or debris flow into the tunnel. The mechanism of damage to the cave...
Proceedings Papers

Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-067
... Due to the necessity to exploit deeper petroleum reservoirs and to uncertainty about the oil price, the oil and gas industry needs to optimize all process costs, and in particular, drilling costs. This requires a better understanding of rock cutting mechanisms in a confined environment, as...

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