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    Benefits of geosynthetic reinforcement in widening of embankments subjected to foundation differential settlement

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    Miao-geosynthetic_reinforcement2014.pdf (1.072Mb)
    Issue Date
    2014-10-01
    Author
    Han, Jie
    Publisher
    Thomas Telford
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
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    Abstract
    In the present study, physical model tests were conducted to investigate the effect of the geogrid reinforcement on the reduction of the differential settlement in widening of a highway embankment. A water bag filled with water and placed beneath an embankment was used to simulate the soft foundation of the widened portion of the embankment in the physical model test. Water from the water bag was drained to simulate the development of differential settlements between the existing and widened foundations of the embankment. The geogrid layers were installed with one side fixed in the existing embankment to provide enough anchorage in the physical model tests. Settlements of the embankment, strains in the geogrids and earth pressures were monitored during the test. The test results show that the geogrid layers stabilised the soil arching in the embankment, reduced the differential settlement on the embankment surface, and enhanced the serviceability of the widened embankment. The differential settlement reduction by geogrid reinforcement in the model tests was about 20 to 30 mm. Finally, the benefits of the geogrid reinforcement in the Jiang-Liu highway widening project including controlling the differential settlement in the embankment were validated based on the observed data.
    Description
    This is the published version. Copyright © ICE Publishing, all rights reserved.
    URI
    http://hdl.handle.net/1808/18711
    DOI
    https://doi.org/10.1680/gein.14.00019
    Collections
    • Center for East Asian Studies Scholarly Works [362]
    • Civil, Environmental & Architectural Engineering Scholarly Works [92]
    Citation
    Miao, L., J. Han, W. Lv, and F. Wang. "Benefits of Geosynthetic Reinforcement in Widening of Embankments Subjected to Foundation Differential Settlement." Geosynthetics International 21.5 (2014): 321-32. http://dx.doi.org/10.1680/gein.14.00019

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    KU Libraries
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    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
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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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