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Keywords: rock joint
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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
... artificial intelligence risk management engineering upstream oil & gas renewable energy us government rock mechanics stability reassessment concrete dam peak shear strength rock joint eurock 2020 shear strength monolith criterion stability uplift pressure probability...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-048
... Artificial Intelligence joint surface procedia engineering 191 reservoir geomechanics roughness shear displacement photogrammetry Reservoir Characterization strength pull experiment determination point cloud Upstream Oil & Gas rock joint photogrammetrically roughness...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-033
... ABSTRACT: Basic friction angle is an essential parameter when estimating shear strength of rock joints, according to Barton's equation and other approaches. Nevertheless, there is still no standard procedure to estimate it by means of laboratory testing. This study investigates the influence...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-062
... element platform. This paper presents the procedures and derivation of stiffness matrices of the bolt crossing multiple joints (BCMJ) at any arbitrary orientation. Multiple joints and a bolt can intersect an element enriching nodal degrees of freedom. In this case, constitutive model of rock, rock-joint...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-163
... ABSTRACT: This paper reports about the influence of normal- and shear displacements on the permeability of artificially created rock joints with different surface roughness. A new experimental setup was designed to allow linear flow on a fracture of area 150 × 150mm and also for normal...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-070
...Rock Mechanics and Rock Engineering: From the Past to the Future Ulusay et al. (Eds) © 2016 Taylor & Francis Group, London, ISBN 978-1-138-03265-1 Modelling of the mechanical behaviour of an opened rock joint Y. Li, J. Oh, R. Mitra & B. Hebblewhite School of Mining Engineering, UNSW Australia...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-055
... ABSTRACT: The primary aim of this paper is to review a recently proposed shear behaviour model of infilled rock joints in which joint surface characteristics and the properties of the joint and infill materials has been taken into account. The empirical model has also finally validated based...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-182
... Abstract Some rock engineering designs are based on the Barton shear strength criterion for rock joints. One of the more relevant input parameters of this criterion is the basic friction angle. Nevertheless, no method is suggested to determine this value. Initially, the basic friction angle...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-192
... has to be exercised when roughness parameters are to be deduced from the datasets. 1 Introduction The shear strength of rock joints is primarily dependent on their surface roughness. In order to achieve a save and cost-efficient design in rock engineering it is desirable to measure joint roughness...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-073
... results from one test under CNS conditions are sufficient to describe the shear behavior of a rock joint. The experiments were carried out on artificial samples with identical material properties. To ensure that the geometry was identical, replicas of natural rock joints were prepared using silicone molds...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-078
... Abstract Some limitations of the models of limit equilibrium of forces for rock mass joints are discussed here, especially the exclusive use of dimensionless geometric parameters of roughness. A new limit equilibrium model of strain energies for rock joints, which allows the integration...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-086
... basic friction angle foundation stability analysis rock joint rock mass interface impersistent joint hydraulic pressure shear strength friction angle criterion gravity dam safety factor failure path failure mechanism Rock Engineering and Rock Mechanics: Structures in and on Rock Masses...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-110
...; failure at high stresses taking place earlier than at low stresses. Reservoir Characterization test piece rock joint creep test Upstream Oil & Gas Westerly granite specimen Creep behaviour strength Interdependence chromite ore time factor creep creep property temp deformation...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-101
... Abstract Shear strength of rock joints decreases dramatically, possibly to the residual value, with increasing degree of opening. Compared to the closed joint, the asperity contact area of the opened joints is smaller; shearthrough happens more easily and dilatancy is less remarkable. This...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-124
...Rock Engineering and Rock Mechanics: Structures in and on Rock Masses Alejano, Perucho, Olalla & Jiménez (Eds) © 2014 Taylor & Francis Group, London, 978-1-138-00149-7 Advances, current limitations and future requirements for a numerical shear box for rock joints using PFC2D E. Lazzari & F...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-022
... Reservoir Characterization infill material rock joint reduction Upstream Oil & Gas Thickness infilled rock joint boundary condition rock mass displacement CNL infill thickness shear stress normal stress jointed rock Shrivastava stiffness shear behaviour shear strength cn...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-013
... descriptions. Engineering Rock mechanics consideration roughness amplitude University scale effect rock joint limit equilibrium model shear strength Upstream Oil & Gas Barton Patton asperity Archambault strength strain energy amplitude rock mass equation Rock Engineering and...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-028
...Rock Engineering and Rock Mechanics: Structures in and on Rock Masses Alejano, Perucho, Olalla & Jiménez (Eds) © 2014 Taylor & Francis Group, London, 978-1-138-00149-7 Considerations on the laboratory estimate of the basic friction angle of rock joints J. González, N. González-Pastoriza, U...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-001
...Keynote lectures Rock Engineering and Rock Mechanics: Structures in and on Rock Masses Alejano, Perucho, Olalla & Jiménez (Eds) © 2014 Taylor & Francis Group, London, 978-1-138-00149-7 Shear strength of rock, rock joints and rock masses Problems and some solutions N.R. Barton Nick Barton...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-075
... paper is proposed a characterisation of the fractal dimension of the joints with a circumference arc generator. strength rock joint Fractal analysis joint profile Artificial Intelligence correlation irregularity characterization equation circumference arc generator roughness...

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