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    Behavior of Interfaces between Fiber-Reinforced Polymers and Sands

    Source: Journal of Geotechnical and Geoenvironmental Engineering:;1999:;Volume ( 125 ):;issue: 008
    Author:
    J. D. Frost
    ,
    J. Han
    DOI: 10.1061/(ASCE)1090-0241(1999)125:8(633)
    Publisher: American Society of Civil Engineers
    Abstract: Conventional construction materials used in foundations can encounter serious durability problems in contaminated subsurface or marine environments. Fiber-reinforced polymer (FRP) composites are potentially suitable for these harsh environments due to their chemical and corrosion resistant properties. Quantification of the interface behavior between FRP composites and soils is a necessary precursor to the adoption of these new materials in geotechnical engineering practice. This paper describes the results of an experimental study that was conducted to investigate the behavior of sand-FRP interfaces. Tests showed that the interface shear behavior between FRP composites and granular materials depended on the relative roughness (surface roughness/particle mean size), the normal stress level, the initial density of the soil mass, and the angularity of the particles. The soil specimen preparation method, the rate of shearing, and the thickness of the soil specimen had little influence on the measured interface friction coefficients. The characteristics of FRP-sand and steel-sand interfaces were compared.
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      Behavior of Interfaces between Fiber-Reinforced Polymers and Sands

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    http://yetl.yabesh.ir/yetl1/handle/yetl/51763
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    contributor authorJ. D. Frost
    contributor authorJ. Han
    date accessioned2017-05-08T21:26:46Z
    date available2017-05-08T21:26:46Z
    date copyrightAugust 1999
    date issued1999
    identifier other%28asce%291090-0241%281999%29125%3A8%28633%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/51763
    description abstractConventional construction materials used in foundations can encounter serious durability problems in contaminated subsurface or marine environments. Fiber-reinforced polymer (FRP) composites are potentially suitable for these harsh environments due to their chemical and corrosion resistant properties. Quantification of the interface behavior between FRP composites and soils is a necessary precursor to the adoption of these new materials in geotechnical engineering practice. This paper describes the results of an experimental study that was conducted to investigate the behavior of sand-FRP interfaces. Tests showed that the interface shear behavior between FRP composites and granular materials depended on the relative roughness (surface roughness/particle mean size), the normal stress level, the initial density of the soil mass, and the angularity of the particles. The soil specimen preparation method, the rate of shearing, and the thickness of the soil specimen had little influence on the measured interface friction coefficients. The characteristics of FRP-sand and steel-sand interfaces were compared.
    publisherAmerican Society of Civil Engineers
    titleBehavior of Interfaces between Fiber-Reinforced Polymers and Sands
    typeJournal Paper
    journal volume125
    journal issue8
    journal titleJournal of Geotechnical and Geoenvironmental Engineering
    identifier doi10.1061/(ASCE)1090-0241(1999)125:8(633)
    treeJournal of Geotechnical and Geoenvironmental Engineering:;1999:;Volume ( 125 ):;issue: 008
    contenttypeFulltext
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