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Keywords: strength parameter
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Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-007
... recognition scarp Upstream Oil & Gas slope stability analysis bedrock layer drilling fluids and materials bednarczyk procedia engineering 191 stability drilling fluid chemistry drilling fluid property calculation strength parameter landslide slip surface slope inclination external dump...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-094
... prudencio slope failure mechanism Coalescence dip angle weak rock rock mass reservoir geomechanics rock bridge planar failure mechanism rock material type potential failure surface particle model procedure strength parameter rock material propagation failure mechanism Rock Mechanics...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-140
... cliff faces were 3D modelled by GNSS supported terrestrial laser scanner and UAV. The onsite engineering geological analyses included the identification of major lithotypes, joint- and fault systems. For the slope stability analyses field documentation of strength parameters (Schmidt hammer rebound...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-186
... discontinuities were carried out. Field geophysical investigations and rock quality estimates through the survey of exposed rock faces are also reported and discussed. Significance of shear strength parameters at different scales has also been evaluated by comparing shear strength results from small scale...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-184
... and 1.0 MPa. From the interpretation of these tests, the Mohr-Coulomb strength parameters were obtained (Table 1). Plate load tests were also performed to deter- mine the deformability modulus of the conglomerate. These tests were carried out in accordance with the method suggested by the ISRM (1979...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-059
... Ratio Matrix/Fragments Point Load and Unconfined compression test results of rocks with varying cementation and ratio matrix/fragments shall contribute to understand the system behavior of soft rocks when they are disturbed during the excavation. 3.1.2 Strength parameters for the analysis Mostly...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-090
... on the western side of one of the intra-mountain basins related to the recent extension tectonics of the Northern Apennines (Martini & Sagri 1993, 1994); the development of this basin is dated back to Early Pliocene. structural geology stability analysis Upstream Oil & Gas strength parameter...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-082
... laboratory tests. laboratory test oedometer test investigation loading constitutive model Reservoir Characterization Upstream Oil & Gas input parameter normal stress strength parameter specimen annular gap direct shear test Pea Gravel determination lining segment numerical...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-164
... reserves evaluation probabilistic model discontinuity Artificial Intelligence point estimate method failure mode Zhou probabilistic wedge stability analysis cavern cohesion random variable drilling operation management realization point random parameter PEM strength parameter...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-072
... interesting was that the strength parameters obtained in the laboratory, were much lower than what was expected after preliminary visual inspections. The two most popular models in soil and rock mechanics, the Mohr-Coulomb and Hoek-Brown failure criteria, were used to estimate the strength parameters and both...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-197
.... The solution proposed in original design comprised of vertical sprayed concrete wall and soil nailing. Nevertheless, an alternative solution, i.e. an open excavation has been executed. Thus, back analysis in this case is not only identification of actual strength parameters of subgrade but also the assessment...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-191
... situation weathered gneiss dam design gneiss conservative value Alejano cohesion stability geotechnical characterization metals & mining horizontal acceleration strength parameter Ecuador means safety Rocscience inigemm circular failure Rock Engineering and Rock Mechanics: Structures...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-052
...). Relations between the abovementioned strength parameters have been widely recognized and it is common practice to estimate uniaxial compressive strength, σ f , and tensile strength, σ t , from I S,50 (Broch & Franklin 1972, Bieniawski 1975,Wijk 1980, Cargill & Shakoor 1990). Since failure...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-076
... & Gas direct shear test reddish non geotechnical characterization classification strength parameter MPa rock group Arteara rock avalanche reservoir geomechanics rock avalanche Ignimbrite absorption lithotype Rock Engineering and Rock Mechanics: Structures in and on Rock Masses Alejano...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-011
... Characterization northern apennine olistostrome coli Upstream Oil & Gas strength parameter matrix structural geology brown failure criterion rock mass reservoir geomechanics back analysis lab test tunnel bimrock Hoek Italy clayey matrix complex formation Rock Mechanics for Resources...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-068
... of the plastic models available in FLAC and FLAC 3D codes. The model referred as "Ubiquitous Joints" is one of the few most popular models of micro layered rock. Reservoir Characterization failure criterion bearing capacity constituent foundation jaeger criterion calculation strength parameter...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-023
... Abstract Due to the complex nature of rock masses, geomechanical classifications are often used to estimate indirectly strength parameters, such as the Geological Strength Index(GSI), developed by Hoek. This work intends to compare the rock mass strength parameters assessed by the GSI index...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-097
... presented in the conclusions. Upstream Oil & Gas metals & mining Thickness data mining marl excavator outflow calculation strength parameter rock mass mining operation Reservoir Characterization inspection slope stability analysis cross-section slope stability uniaxial...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2012, May 28–30, 2012
Paper Number: ISRM-EUROCK-2012-002
... Rock joint shear tests. Methods, results and relevance for design J. Muralha National Laboratory for Civil Engineering, Portugal Abstract: Recent regulations introduced a limit state approach to geotechnical design by using representative values of the actions and of the strength parameters...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2012, May 28–30, 2012
Paper Number: ISRM-EUROCK-2012-098
... engineering. It is found that with or without considering correlations, the mean values of simulation outputs computing the rock mass strength parameters are not notably different. However, the standard deviations of strength parameters are generally smaller in simulation results taking into account...

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