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Geotextile and Fines Migration

  • 1.  Geotextile and Fines Migration

    Posted 11-22-2017 11:07 AM
    ​​Good Morning and Happy Thanksgiving everyone!
    In Maryland it is typical to place geotextile cloth along a channel before placing riprap.  I have been informed that this is to prevent the migration of fine sediment along the channel invert.
    Does anyone know of any studies that have been undertaken to determine the rate of sediment transport in lined vs unlined channels?  Does the geotextile actually prevent material from being eroded away from a channel?
    Thank you!

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    Armand De Rosset A.M.ASCE

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