The effect of changing confinement diameter on axial load transfer mechanisms of fully grouted rock bolts
Paper
Paper/Presentation Title | The effect of changing confinement diameter on axial load transfer mechanisms of fully grouted rock bolts |
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Presentation Type | Paper |
Authors | Jodeiri Shokri, Behshad Jodeiri, Entezam, Shima, Nourizadeh, Hadi, Motallebiyan, Amin, Mirzaghorbanali, Ali, McDougall, Kevin, Aziz, Naj and Karunasena, Karu |
Editors | Aziz, Naj, Marston, Kevin and Mirzaghorbanali, Ali |
Journal or Proceedings Title | Proceedings of the 2023 Resource Operators Conference |
Journal Citation | pp. 290-295 |
Number of Pages | 6 |
Year | 2023 |
Publisher | University of Wollongong |
Place of Publication | University of Wollongong |
ISBN | 9781741283686 |
9781741283679 | |
Web Address (URL) of Paper | https://ro.uow.edu.au/coal/888/ |
Web Address (URL) of Conference Proceedings | https://ro.uow.edu.au/coal2023/ |
Conference/Event | 2023 Resource Operators conference (ROC2023) |
Event Details | 2023 Resource Operators conference (ROC2023) Delivery In person Event Date 09 to end of 10 Feb 2023 Event Location Wollongong, Australia Event Venue University of Wollongong Event Web Address (URL) |
Abstract | This paper aims to study the effect of changing the confinement diameter on the axial load-bearing capacity of rock bolt systems. The diameter of the confinement is monitored in a fully encapsulated rock bolt at day 7 and 28 of grout curing. These particular times were considered critical to demonstrate grout strength when conducting pull-out tests on rock bolt samples. Following this, the samples were cast with a water-grout ratio of 36%, the internal diameters of encapsulation being 23 mm and 50 mm, and the encapsulation length at 50 mm. The results indicated that by increasing the confinement diameter, the rock bolt's load-bearing capacity increased approximately 32% and 45% for days 7 and 28, respectively. |
Keywords | confinement diameter ; rock bolt |
ANZSRC Field of Research 2020 | 401902. Geomechanics and resources geotechnical engineering |
401905. Mining engineering | |
400502. Civil geotechnical engineering | |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | School of Engineering |
University of Wollongong |
https://research.usq.edu.au/item/wz6yy/the-effect-of-changing-confinement-diameter-on-axial-load-transfer-mechanisms-of-fully-grouted-rock-bolts
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