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- Thoeni, KlausCentre for Geotechnical Science and Engineering, The University of Newcastle, Callaghan, NSW 2308, Australia (author)
Designing waste rock barriers by advanced numerical modelling
- Article/chapterEnglish2019
Publisher, publication year, extent ...
- Elsevier,2019
- electronicrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:umu-156049
- https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-156049URI
- https://doi.org/10.1016/j.jrmge.2018.11.005DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- Design of waste rock barriers forming safety berms for haul trucks requires knowledge of complex interactions which cannot readily be tested by physical means. An advanced numerical model based on non-smooth multi-domain mechanics is presented together with model calibration using limited full-scaleexperimental data. Waste rock is represented by spherical particles with rolling resistance, and an ultra-class haul truck is represented by a rigid multibody system interconnected with mechanical joints. The model components are first calibrated and then the calibrated model is used for simulating various collision scenarios with different approach conditions and safety berm geometries. Numerical predictions indicate that the width of the berm is most critical for efficiently stopping a runaway truck. The model can also predict if a certain berm geometry is capable of stopping a runaway truck. Results are summarised in a series of diagrams intended for use as design guidelines by practitioners and engineers.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Samhällsbyggnadsteknik Geoteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Civil Engineering Geotechnical Engineering hsv//eng
- NATURVETENSKAP Fysik Annan fysik hsv//swe
- NATURAL SCIENCES Physical Sciences Other Physics Topics hsv//eng
- Discrete element method (DEM)
- Multibody dynamics (MBD)
- Non-smooth multi-domain dynamics
- Granular materials
- Ultra-class haul truck
- Safety berm
- Surface mining
- fysik
- Physics
- geofysik, med inriktning mot fasta jordens fysik
- Geophysics Specialized In Solid Earth
Added entries (persons, corporate bodies, meetings, titles ...)
- Servin, MartinUmeå universitet,Institutionen för fysik,Digital fysik(Swepub:umu)mansen97 (author)
- Sloan, ScottCentre for Geotechnical Science and Engineering, The University of Newcastle, Callaghan, NSW 2308, Australia (author)
- Giacomini, AnnaCentre for Geotechnical Science and Engineering, The University of Newcastle, Callaghan, NSW 2308, Australia (author)
- Centre for Geotechnical Science and Engineering, The University of Newcastle, Callaghan, NSW 2308, AustraliaInstitutionen för fysik (creator_code:org_t)
Related titles
- In:Journal of Rock Mechanics and Geotechnical Engineering: Elsevier11:3, s. 659-6751674-7755
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