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  • Study of the interface friction between mesh and rock surface in drapery systems for rock fall hazard control

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    GratchevPUB1724.pdf (825.2Kb)
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    Accepted Manuscript (AM)
    Author(s)
    Gratchev, Ivan
    Kim, Dong Hyun
    Chung, Matthew
    Griffith University Author(s)
    Gratchev, Ivan
    Year published
    2015
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    Abstract
    Although drapery systems are commonly used to control rock fall hazard on steep slopes, some elements of their design such as the interface friction between the mesh and ground surface are still difficult to quantify in practice. This technical note presents a new test procedure designed to study the mechanism of rock–mesh interaction in the laboratory. A series of tilt tests and tests with increasing loads were performed to study the effects that number and type of rock–mesh contacts, slope angle, and mesh characteristics had on mesh–rock interaction. The obtained data indicated that the process of interlocking between the ...
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    Although drapery systems are commonly used to control rock fall hazard on steep slopes, some elements of their design such as the interface friction between the mesh and ground surface are still difficult to quantify in practice. This technical note presents a new test procedure designed to study the mechanism of rock–mesh interaction in the laboratory. A series of tilt tests and tests with increasing loads were performed to study the effects that number and type of rock–mesh contacts, slope angle, and mesh characteristics had on mesh–rock interaction. The obtained data indicated that the process of interlocking between the mesh and rocks could increase the mesh's resistance to failure as well as decrease the force acting on the anchors during accumulation of rock debris or snow. Some changes to the current guidelines regarding the selection of interface friction angle are also suggested.
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    Journal Title
    Engineering Geology
    Volume
    199
    DOI
    https://doi.org/10.1016/j.enggeo.2015.10.005
    Copyright Statement
    © 2015, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International, which permits unrestricted, non-commercial use, distribution and reproduction in any medium, providing that the work is properly cited.
    Subject
    Civil engineering
    Geomatic engineering
    Geomatic engineering not elsewhere classified
    Other engineering
    Publication URI
    http://hdl.handle.net/10072/141317
    Collection
    • Journal articles

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