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https://papers.acg.uwa.edu.au/p/1704_43_Dunn/
Abstract: The design of ground support needs to account for a number of uncertainties relating to loading conditions, rock mass variability, rock mass response and ground support performance. When designing ground support for dynamic conditions, the uncertainties are magnified due to significant gaps in our understanding of how the rock mass responds to dynamic loading as well as limitations ...Author: Michael Dunn
https://www.sciencedirect.com/science/article/pii/S1674775519304871
The ground support design strategy established a distinction in terms of magnitude threshold between mines where a static support strategy is appropriate and those where a dynamic support strategy is necessary. The recommended transition zone consisted of the Nuttli magnitude scale (M N) range of …Author: Philippe Morissette, John Hadjigeorgiou
https://papers.acg.uwa.edu.au/d/1704_43_Dunn/43_Dunn.pdf
Dynamic ground support — design methodologies and uncertainties MJ Dunn 638 Deep Mining 2017, Perth, Australia 2.1 Design methodologies The design of ground support for dynamic conditions is based on the assessment of energy absorptionAuthor: Michael Dunn
https://rockmechanics.curtin.edu.au/research/ground-support/dynamic-testing/
Dynamic testing Dynamic testing of ground support elements. This applied research investigation will lead to the development of practical energy absorption guidelines for the types of reinforcing systems, face restraint and surface support systems used in Western Australian mines.
https://www.sciencedirect.com/science/article/abs/pii/S1674775519304871
These events were associated with damage at 324 locations within the three mines. The developed ground support design strategy, based on these documented case studies, identifies areas where the use of dynamic or enhanced support should be employed.Author: Philippe Morissette, John Hadjigeorgiou
https://www.igmgeotechnical.com/latest/specialised-testing-of-dynamic-ground-support-elements
Nov 05, 2019 · Ground support design for quasi-static conditions are relatively well understood and testing these support units both in the lab and in-situ is relatively easy. Unfortunately, testing of dynamic ground support (for seismic conditions) is much more challenging and requires a specialised lab.
https://rockeng.ca/underground-rock-engineering/ground-control/dynamic-support-design/
Mar 07, 2017 · Dynamic support design is a highly specialised field – leave it to the experts. Dynamic Support Design – Unlike static loading of rock that is caused by the weight of superincumbent strata (the strata lying above the affected area), often modified/enhanced by other factors (e.g. tectonics, glaciation, etc.), dynamic loading and stress are generally caused by seismic events, most commonly ...Location: 920 Princess St., Suite 310, Kingston, K7L 1H1
https://www.researchgate.net/publication/283480016_Dynamic_Testing_of_Ground_Support_Systems
Dynamic Testing of Ground Support Systems ... for mesh support systems that were subjected to dynamic testing. ... a new methodology for ground support design in high stress environments ...
https://globalminedesign.com/page/dynamic-ground-protocols
Global Mine Design Ltd (GMD) has significant experience working in dynamic ground at some of the deepest and highest stress mines in the world. Working under such conditions takes skill and discipline. Creating robust protocols to keep personnel and assets safe is a trusted task that we take very seriously.
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