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Keywords: criterion
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Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2020, June 14–19, 2020
Paper Number: ISRM-EUROCK-2020-002
... strength monolith criterion stability uplift pressure probability foundation failure mode reassessment westberg wilde safety © International Society for Rock Mechanics and Rock Engineering Norwegian Group for Rock Mechanics ISBN: 978-82-8208-072-9 C.C. Li, H. Ødegaard, A.H. Høien, J. Macias...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-150
... stress distribution. The stress distribution is coupled with a transverse isotropy failure criterion in a mechanically consistent way to find the exact location of initial crack. It is shown that the location of the initial crack depends on the transverse isotropy orientation and load configuration. 1...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-083
... failure criterion in a limit-equilibrium analysis. They indicated that the factor of safety values of slopes (higher than 45°) obtained from stability tables using the equivalent Mohr-Coulomb parameters are somewhat higher due to the intervals wherein geometric discrepancy of curves from these two methods...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-116
... Characterization Upstream Oil & Gas GSI system weak rock strength Rock mechanics international journal determination current empirical approach Marino competent rock Engineering Geology rock mass procedia engineering 191 weak rock mass structural geology criterion empirical approach rock mass...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-081
... kinetic energy, which is the cause of coal burst. In this paper, the post-peak behavior of pillars and surrounding strata stiffness are reviewed and the criterion developed to investigate the instability of the pillar failures is explained. It is concluded that, as the pillar width to mining height (w/h...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-101
... monthly migration of reduced centers of seismic energy release within the mine fields, enabled development of a rockburst hazard criterion for individual rock mass areas. The prognostic criterion of the limiting state of a rock mass area is developed based on the ratio of kinematic characteristics of...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-075
... the plastic behavior of soils was conducted by Drucker and Prager (1952): they extended the fail- ure criterion of von Mises to take into account the confining pressure in granular media. One of the first criterion including closed yield surfaces (commonly called cap surfaces) with their numerical...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-071
... metals & mining strength failure criterion geometry Upstream Oil & Gas criteria rock mass reservoir geomechanics criterion extraction open stope pillar Reservoir Characterization stope crown pillar rock mass behavior excavation Hoek stress state georgieva crown pillar...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-007
... stress analysis to determine the stresses acting upon sections of the fault, com- bined with the verification of failure making use of Mohr-Coulomb criterion along the fault. Reservoir natural sealing systems seem to be both efficient and mechanically strong and have resisted throughout geological times...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-081
... been commercially available for use in engineering practice, provide incorrect results, namely, that no failure occurs to the walls of deep vertical shafts (Sakurai 2015). conventional elasto-plastic analysis criterion elasto-plastic numerical analysis excavation tunnel equilibrium example...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-151
... strength is to utilize a generally accepted strength criterion, such as the well-known triaxial Mohr-Coulomb and Hoek-Brown criteria. Although the conventional triaxial strength criteria perform well in certain circumstances, they suffer from neglecting the simultaneous influence of all three principal...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-126
... Abstract Rock failure criteria were used to predict rock strength and to characterize deformation behavior of rock mass or intact rock under different loading conditions. Hoek and Brown failure criterion was considered as one of the most popular failure criteria, which is widely used in rock...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-135
... overcome these limitations. The present study focuses on the numerical verification of recently developed failure criterion and implementing it Finite element software ABAQUS to understand their failure mechanism when subjected to uniaxial loading conditions how their existing crack will gets initiated and...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-131
... identify some principles for the cavern design, especially for the calculation of the support system. Each of the described methods will be illustrated by an example of project in which EDF has recently been involved. classification continuous approach powerhouse ground transportation criterion...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-201
... rock bolts and reduce the slope angle. The options identified were evaluated using the Analytical Hierarchy Process methodology based on a decision matrix involving criterion for suitability, construction, durability, visualization and maintenance. Cost estimation for the selected stabilization...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-178
... et al. (2013) generalized such failure mechanism, in the framework of limit analysis, for tunnels excavated in ‘low quality’ rock masses that follow the non-linear Hoek–Brown failure criterion. But this previous work was focused on TBM excavated tunnels, characterized by a circular section bored by a...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-223
... the Mohr-Coulomb and the modified Wiebols-Cook criteria. Comparison of the constrained stress magnitudes showed that effects of criterion on the constrained stress magnitudes were not negligible. 1. Introduction Stress as well as strain are the most fundamental concepts to rock mechanics. To...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-253
... with the EC7 itself. It involves using characteristic values of actions, ground properties and geometrical data, as well as obtaining their design values by the partial factor method. Upstream Oil & Gas criteria mean value Artificial Intelligence criterion fractile test result...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-051
... particles or the partial or complete filling with deposits of crystals or particles due to the circulation of fluids, in the macropores of altered materials. More specifically, the study performed was intended to obtain: A failure criterion of these materials, based on a few parameters. A geotechnical...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-004
... Abstract A complete application of the plasticity theory to the behavior of different types of foundations in rock media is presented. The modified Hoek & Brown failure criterion has been selected to reproduce the rock mass behavior. The ultimate loads of shallow and deep foundation are...

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