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Keywords: Engineering
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Proceedings Papers
Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-028
... simplistic. Reservoir Characterization Wellbore Design criterion reservoir geomechanics Engineering metals & mining Upstream Oil & Gas slope design stability analysis wellbore integrity strength slope stability analysis safety factor surface mining strength property metallurgy...
Proceedings Papers
Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-003
...) and the operational ‘rockburst’ impact (risk). The assessment of the hazard of dynamic rupture is the subject of this paper. Reservoir Characterization Engineering dynamic rupture petrology hazard potential rockburst hazard potential metals & mining mechanism assessment stress concentration...
Proceedings Papers
Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-004
... Classical rock support methods for underground engineering emphasize the importance of investigating and controlling the unloading deformation of surrounding rock, such as in the New Austrian Tunnelling Method (NATM) and Norwegian Method of Tunnelling (NMT). Current engineering practice...
Proceedings Papers
Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-029
... Upstream Oil & Gas stability analysis mapping investigation Engineering kinematic analysis discontinuity survey Lesotho Artificial Intelligence strength Rock mechanics main pit cut 3 shear strength kimberlite shear zone major shear zone rock mass pipe groundwater condition friction...
Proceedings Papers
Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-011
... and Egger, 1996; Srivastava and Singh, 2014; Oreste and Cravero, 2008; Ranjbarnia, Fahimifar, and Oreste, 2016; Garga and Wang 1993). Corrosion Inhibition metals & mining H2S management steel split Production Chemistry Engineering Reservoir Characterization Upstream Oil & Gas axial...
Proceedings Papers
Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-031
... discontinuities, called bedding planes, is generated. As can be expected, these bedding planes play a vital role in the stability of engineering projects in layered rocks, and in particular in their modes of failure. Hence, the mechanics of the failure mechanism in stratified rock masses has its own distinctive...
Proceedings Papers
Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-001
... In mining operations, short-term cost-cutting is often a focus in a mine's drive to improve its economics. Rock engineering, though very important to the safety of the operation, is not a part of the production process and therefore often suffers in cost-cutting exercises: for example, low-cost...
Proceedings Papers
Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-027
... The slopes in open pit mines are typically excavated to the steepest feasible angle to maximize profits. However, there is a greater risk of slope failure associated with steeper slopes. An open pit slope represents a complex multivariate rock engineering system. Interactions between the factors...
Proceedings Papers
Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-002
...) can be blamed in each case, and if the shear strength or designed support are in question, massive failure may result. adverse design site characterization assumption Upstream Oil & Gas cavern progressive failure Reservoir Characterization Barton proceedings rock engineering...
Proceedings Papers
Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-042
... Crustal stress, and especially its orientation, is one of the key parameters in geotechnical mechanics and engineering. Because of the complexity of traditional crustal stress testing methods, especially in deep holes, the determination of crustal stress orientation is difficult, which...
Proceedings Papers
Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-053
... powerhouse source size Engineering main powerhouse underground powerhouse numerical model fracture constitutive model AfriRock 2017 Rock Mechanics for Africa Cape Town, 2 7 October 2017 The Southern African Institute of Mining and Metallurgy 683 Microseismicity-based feedback analysis...
Proceedings Papers
Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-064
... was the determining factor for crack initiation direction. The result can be used in the engineering design of hydraulic fracturing projects. INTRODUCTION Hydraulic fracturing is a process of initiation and propagation of cracks, which is used widely in the petroleum industry to stimulate oil and gas wells...
Proceedings Papers
Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-059
... is applied in selecting these critical factors, or the values allocated to them, but a subjective selection is made based on what is thought to be important. metals & mining selection input parameter closure Upstream Oil & Gas calibration model response hangingwall closure Engineering...
Proceedings Papers
Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-055
... and upper groundwater systems, and this may be followed by extensive subsidence of the surface. Engineering Rock mechanics MPa Reservoir Characterization conceptual model karst cave wall China middle position failure mechanism yuanliangshan tunnel mechanism x-direction displacement tunnel...