Shear strength of rock joints under constant normal loading conditions
Paper
Paper/Presentation Title | Shear strength of rock joints under constant normal |
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Presentation Type | Paper |
Authors | Mirzaghorbanali, Ali (Author), Alenzi, Faizal (Author), Gregor, Peter (Author), Aziz, Naj (Author) and McDougall, Kevin (Author) |
Editors | Aziz, Naj and Kininmonth, Bob |
Journal or Proceedings Title | Proceedings of the 2019 Coal Operators' Conference |
ERA Conference ID | 60723 |
Number of Pages | 8 |
Year | 2019 |
Place of Publication | Wollongong, Australia |
ISBN | 9781741283044 |
9781741283037 | |
Web Address (URL) of Paper | https://ro.uow.edu.au/cgi/viewcontent.cgi?article=2398&context=coal |
Conference/Event | 2019 Coal Operators' Conference |
Underground Coal Operators' Conference | |
Event Details | 2019 Coal Operators' Conference Parent Coal Operators' Conference Event Date 18 to end of 20 Feb 2019 Event Location Wollongong, Australia |
Event Details | Underground Coal Operators' Conference |
Abstract | The variation of shear strength of rock joints under constant normal loading conditions was studied. Three dimensional printing technology was incorporated to produce moulds of rock joints. Rock joints samples with three different roughness values were cast using concrete with uniaxial compressive strength of 20 MPa. Samples were sheared using a direct shear testing machine for normal stress values ranging from 0.25 to 0.7 MPa. In addition, effects of shear rate on shear strength properties of rock joints were experimentally investigated. It was found that the shear strength of rock joints is a function of normal stress, joint roughness and shear rate values. In addition, it was shown that three dimensional printing technology is a useful tool to replicate real rock joints. |
Keywords | rock joints, shear strength, constant normal loading conditions, three dimensional printing |
ANZSRC Field of Research 2020 | 400502. Civil geotechnical engineering |
401902. Geomechanics and resources geotechnical engineering | |
401905. Mining engineering | |
Public Notes | No paper in these proceedings is to be re-published unless with written permission from the conference organisers and/or the original authors who maintain the copyright for |
Byline Affiliations | School of Civil Engineering and Surveying |
University of Wollongong | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q5492/shear-strength-of-rock-joints-under-constant-normal-loading-conditions
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