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    Micromechanical model of rough contact between rock blocks with application to wave propagation

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    Misra_micromechanical2008.pdf (706.2Kb)
    Issue Date
    2008-10-05
    Author
    Misra, Anil
    Marangos, Orestes
    Publisher
    De Gruyter Open
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
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    Abstract
    The relationship between effective stiffness of rough contacts of rock blocks and transmission of plane waves is well known. Effective stiffness of a rough contact may be related to the force-deformation behavior of the asperity contacts and the statistical description of rock joint surface topography through micromechanical methods. In this paper, a micromechanical methodology for computing the overall rock contact effective stiffness is utilized along with the imperfectly bonded interface model to investigate how transmitted and reflected wave amplitudes are affected by the incident wave frequency, rock joint closure and the existing rock joint normal stress conditions. As a result, expressions for reflected and transmitted wave amplitudes as well as group time delay of the wave-packets are obtained and parametrically evaluated.
    Description
    This is the published version. Copyright 2008 De Gruyter Open.
    URI
    http://hdl.handle.net/1808/18918
    DOI
    https://doi.org/10.2478/s11600-008-0050-x
    Collections
    • Civil, Environmental & Architectural Engineering Scholarly Works [121]
    Citation
    Misra, Anil, and Orestes Marangos. "Micromechanical Model of Rough Contact between Rock Blocks with Application to Wave Propagation." Acta Geophysica 56.4 (2008). http://dx.doi.org/10.2478/s11600-008-0050-x

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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