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Keywords: shear strength
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Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-010
... specimen shear displacement reservoir characterization theory experiment environmental science 833 replica parametrisation displacement shear strength repository knowledge management practice iop publishing iop conf rock engineering fracture geometry Mechanics and Rock Engineering, from...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-012
... Abstract The contribution from both surface roughness and matedness in the peak shear strength of rock joints is not yet well understood. To be able to account for the influence of matedness on the peak shear strength of rock joints, both surface roughness and aperture need to be considered...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-023
... Abstract The basic friction angle is a basic parameter used in the shear strength estimation of discontinuities. The accurate determination of the shear strength of the discontinuities is of great importance for engineering structures built on or inside the rock. In this study; the variation...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-034
...-directional) shearing b) Two-ways (bi-directional) shearing. Another approach is to utilize shock loads [13-17]. Huang et al. [13] suggested a punch shear device to measure the dynamic shear strength of brittle solids. In this method, a split Hopkinson pressure bar system (SHPB) is used to apply the dynamic...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-041
... Abstract The scale effect is known to hinder reliable shear strength estimation of large-scale discontinuities. Recently, a stochastic approach was proposed to predict shear strength of large discontinuities directly at problem scale, thereby bypassing the scale effect. One aspect...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-196
...-mentioned reasons, partial factor approach seems not to be well suited to rock engineering. structural geology south africa government plate tectonics drilling operation management stability shear strength discontinuity practice iop publishing iop conf johannesburg theory geologist rock...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2020, June 14–19, 2020
Paper Number: ISRM-EUROCK-2020-002
... that needs to be addressed. However, the parameters governing the shear strength of this failure mode are associated with large uncertainties and are difficult to assess due to the existing dam. This keynote paper presents a summary of the work performed at the Division of Soil and Rock Mechanics, KTH Royal...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-048
... assessment friction angle shear strength Rock Mech peak shear strength Procedia Engineering 191 ( 2017 ) 378 385 1877-7058 © 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (httpcreativecommons.org/licenses/by-nc-nd/4.0 Peer-review under...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-084
... are thawing, resulting in a significant shear strength reduction. In this review, we will discuss the various existing design methods in the context of the phenomena involved in the formation of frozen rock and the behaviour of thawing rock. We will show the deficiencies of these methods and highlight...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-147
... in total shear strength of the cable bolt. 1. Introduction Mining in Australia is one of the safest industries but there are still some fatal accidents. The number of deaths was 10, 13 and 13 in 2013, 2014 and 2015 respectively [1]. The current emphasis is to towards zero fatality Therefore, one...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-148
... Abstract An experimental study was carried out on grout samples prepared from both Stratabinder and BU100 cementitious products. Samples were prepared with various water to grout ratios and tested for uniaxial compressive and shear strength. Triaxial tests were performed on cylindrical samples...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-055
... execution, the model will become more accurate and quantitative (especially the roughness profiling). 1 INTRODUCTION Over many years, fine sediments resulting from weathering and other surface processes could subsequently ingress to rock joints, reducing the overall shear strength of the joint surface...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-129
... fracturing anisotropic slate cleavage shear strength Upstream Oil & Gas Bochum specimen hydraulic fracture ruhr-university bochum schistosity Reservoir Characterization orientation slate engineering geology rock engineering triaxial strength reservoir geomechanics perpendicular strength...
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-2015-073
... ABSTRACT: This study deals with the comparison of the results of shear tests conducted under conditions of constant normal load (CNL) and constant normal stiffness (CNS). The aim was to investigate whether the shear strength results of the two test procedures are comparable and whether the results...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-078
... in samples with lower asperities. This creates a terrible paradox that is to be ineffective classic models of limit equilibrium of forces, to the point of being able to doubt of its internal coherence. On the other hand, Figure 2 shows that when the effect of cohesion or of the asperity shear strength...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-124
.... Johansson Department of Civil and Architectural Engineering, KTH Royal Institute of Technology, Stockholm, Sweden D. Mas Ivars & A. Sánchez Juncal ITASCA Consultants AB, Stockholm, Sweden ABSTRACT: Rock mechanical problems are often governed by the shear strength of joints, but assessing it theoretically...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-165
... with the percentage of Sulphuric Anhydrite and also up to some extent it is inversely proportional to the per- centage of Chloride. For resin capsule it has been established that both the compressive strength as well as the shear strength is inversely proportional to the percentage of filler material present...

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