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    Micro-structure Evolution in Layered Granular Materials During Biaxial Compression

    New search for: Fu, Longlong
    New search for: Guo, Peijun
    New search for: Zhou, Shunhua
    New search for: Shan, Yao

    Abstract Biaxial compression tests were conducted to investigate the deformation characteristics of layered granular samples by considering the localized deformation characteristics of sublayers. Layered sample refers to a three-layer granular materials stacked in the order hard-soft-hard. The DEM simulation results show that stress and strain development of layered granular samples are positively correlated with the volumetric fraction, which is consistent with the theoretical and FEM results. Directional distribution of contact normal and force chains follows the same pattern: possibilities of near-horizontal and vertical direction increases (decreases) in hard (soft) layer, while possibilities of diagonal direction decreases (increases) in hard (soft) layer.

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    Micro-structure Evolution in Layered Granular Materials During Biaxial Compression

    New search for: Fu, Longlong
    New search for: Guo, Peijun
    New search for: Zhou, Shunhua
    New search for: Shan, Yao

    Abstract Biaxial compression tests were conducted to investigate the deformation characteristics of layered granular samples by considering the localized deformation characteristics of sublayers. Layered sample refers to a three-layer granular materials stacked in the order hard-soft-hard. The DEM simulation results show that stress and strain development of layered granular samples are positively correlated with the volumetric fraction, which is consistent with the theoretical and FEM results. Directional distribution of contact normal and force chains follows the same pattern: possibilities of near-horizontal and vertical direction increases (decreases) in hard (soft) layer, while possibilities of diagonal direction decreases (increases) in hard (soft) layer.

    Access

    Check access
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    Order at Subito €

    Micro-structure Evolution in Layered Granular Materials During Biaxial Compression

    New search for: Fu, Longlong
    New search for: Guo, Peijun
    New search for: Zhou, Shunhua
    New search for: Shan, Yao

    Abstract Biaxial compression tests were conducted to investigate the deformation characteristics of layered granular samples by considering the localized deformation characteristics of sublayers. Layered sample refers to a three-layer granular materials stacked in the order hard-soft-hard. The DEM simulation results show that stress and strain development of layered granular samples are positively correlated with the volumetric fraction, which is consistent with the theoretical and FEM results. Directional distribution of contact normal and force chains follows the same pattern: possibilities of near-horizontal and vertical direction increases (decreases) in hard (soft) layer, while possibilities of diagonal direction decreases (increases) in hard (soft) layer.

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    Title:

    Micro-structure Evolution in Layered Granular Materials During Biaxial Compression

    Contributors:

    Fu, Longlong (author) / Guo, Peijun (author) / Zhou, Shunhua (author) / Shan, Yao (author)

    Published in:

    Proceedings of China-Europe Conference on Geotechnical Engineering ; 144-147

    Springer Series in Geomechanics and Geoengineering

    Publication date:

    2018-01-01

    Size:

    4 pages

    ISBN:

    978-3-319-97111-7 , 978-3-319-97112-4

    ISSN:

    1866-8755 , 1866-8763

    DOI:

    https://doi.org/10.1007/978-3-319-97112-4_32

    Type of media:

    Article/Chapter (Book)

    Type of material:

    Electronic Resource

    Language:

    English

    Keywords:

    Granular material , Inter-layer-action , Localized strain , Contact network , Force chain evolution Engineering , Geoengineering, Foundations, Hydraulics , Geotechnical Engineering & Applied Earth Sciences

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