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Keywords: failure surface
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Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-101
... method). 3.1 Simulation by dynamic limit equilibrium method Deformation of rock slope occurs by slip of the fail- ure surface. Therefore, the dynamic limit equilibrium method was used to simulate the slip of the model slope on the failure surface. A mechanical model of slip develops by equilibrium...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-102
.... The failure surface developed within a mélange formation during a rainy season and resulted in buckling of the road by about 2 m. Different limiting equilibrium methods and discrete finite element methods (DFEM) were used for the assessment of the slope instability. The factor of safety of the slope changes...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-143
.... The geometry of the failure surface is determined using calculus of variations. The effect of the strength parameters and the overburden on safety against uplift are studied using the derived solution. It is shown that uplift pressure increases significantly with the uniaxial compressive strength of the rock...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-088
... the characteristics of the rock mass in which that slope is located must be undertaken. strength containment limit equilibrium technique stabilization method category concrete wall stability terrain Cantabria failure surface lópez jimeno University slope stabilization method characteristic rock...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-068
... anisotropic criterion strength surface micro layered rock Implementation Microstructure criterion drucker-prager criterion failure surface numerically stable anisotropic failure criterion mechanics Rock Mechanics for Resources, Energy and Environment Kwas´niewski & ydz ba (eds) © 2013 Taylor...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2012, May 28–30, 2012
Paper Number: ISRM-EUROCK-2012-089
... and complicated. Therefore, in this study a numerically simulation of laboratory tests, namely uniaxial and triaxial compression, direct shear, and Brazilian tests were conducted on heterogeneous SRSM and homogenous specimens. The results showed that instead of an individual and sharp failure surface, multiple...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2012, May 28–30, 2012
Paper Number: ISRM-EUROCK-2012-137
... contraction of the failure surface using the parameters c , and bm , s , a for MC and HB models, respectively, in terms of a softening parameter (For more details, see Alonso et. al. (2003 The generalized form of the HB failure surface obtained as such is given as follows: ( ) ( ) ( )( ) 0 )(331...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2012, May 28–30, 2012
Paper Number: ISRM-EUROCK-2012-081
... metals & mining drilling fluid formulation drilling fluid selection and formulation Upstream Oil & Gas drilling fluid chemistry drilling fluids and materials village boundary slope failure southwest slope drilling fluid property dip amount stability analysis failure surface...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2010, June 15–18, 2010
Paper Number: ISRM-EUROCK-2010-134
... procedure ensures that the failure surface is free to develop in a tortuous way along block/matrix contacts, thus allowing for the evaluation of the bimrock strength parameters by taking into account the influence of blocks, and ultimately to overcome the size limitation of laboratory specimens...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-008
... failure in the lower slope of the mine can be assessed. Here, the major principal compressive stress is nearer the horizontal, and can lead to a through-going failure along non-persistent joints and intervening bridges in the lower slope. For a point along a potential failure surface at a depth...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-013
... slope stability analyses, the failure surface is assumed to be structurally-controlled and is predefined as a continuous plane or a series of interconnected planes. The reasons for this are partly due to post-failure observations where fully persistent discontinuities are fitted to the failure surface...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-076
... was made of mixing silicasand, ordinary Portland cement type I and water in 72%, 16%, and 12% proportion by weight respectively. construction materials strength outer tip failure surface Bridge Upstream Oil & Gas wing crack specimen secondary crack mechanism Coalescence tensile...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 96, September 2–5, 1996
Paper Number: ISRM-EUROCK-1996-075
.... Reservoir Characterization limit state analysis Earthquake Rockfill shear strength Upstream Oil & Gas back analysis strength History Hougue Bie Jersey assessment failure surface loading jersiaise deformation mound stability seismicity mourant Eurock '96, Barfa (ed 1996 Balkema...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 93, June 21–24, 1993
Paper Number: ISRM-EUROCK-1993-117
... ABSTRACT: The shear strength parameters of the "Athenian Schist" are estimated through the back analysis of a slope failure. The shape of the failure surface for the particular geological formation is also examined and relevant proposals are made. RESUME: Les paramètres de la resistance de...

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