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    Performance of Geotextile Separators Five Years after Installation

    Source: Journal of Geotechnical and Geoenvironmental Engineering:;1999:;Volume ( 125 ):;issue: 005
    Author:
    P. J. Black
    ,
    R. D. Holtz
    DOI: 10.1061/(ASCE)1090-0241(1999)125:5(404)
    Publisher: American Society of Civil Engineers
    Abstract: During the reconstruction of a state highway in 1991, a full-scale test section was established at a site with a history of poor pavement performance, most likely because of a soft silty clay subgrade, high ground-water table, and heavy logging truck traffic. Five different separator geotextiles and a soil-only control section were installed in each lane. Excavations were made in the test section 5 years after installation, and samples of geotextiles, subgrade, and base course materials were exhumed for visual observation and laboratory testing. In addition, in situ soil tests were performed on the exposed subgrade soils. This paper summarizes these observations and test results. Although some fines from the subgrade had migrated through the geotextiles into the bottom of the base course, there was no evidence after 5 years of any adverse effect on the pavement itself. Minor geotextile damage that apparently occurred during construction had little effect on the pavement performance. In all of the sections with geotextiles, the subgrade soils were found to have consolidated significantly in comparison with the soil-only sections. Overall, the geotextiles performed their intended function well.
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      Performance of Geotextile Separators Five Years after Installation

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    http://yetl.yabesh.ir/yetl1/handle/yetl/51722
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    contributor authorP. J. Black
    contributor authorR. D. Holtz
    date accessioned2017-05-08T21:26:43Z
    date available2017-05-08T21:26:43Z
    date copyrightMay 1999
    date issued1999
    identifier other%28asce%291090-0241%281999%29125%3A5%28404%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/51722
    description abstractDuring the reconstruction of a state highway in 1991, a full-scale test section was established at a site with a history of poor pavement performance, most likely because of a soft silty clay subgrade, high ground-water table, and heavy logging truck traffic. Five different separator geotextiles and a soil-only control section were installed in each lane. Excavations were made in the test section 5 years after installation, and samples of geotextiles, subgrade, and base course materials were exhumed for visual observation and laboratory testing. In addition, in situ soil tests were performed on the exposed subgrade soils. This paper summarizes these observations and test results. Although some fines from the subgrade had migrated through the geotextiles into the bottom of the base course, there was no evidence after 5 years of any adverse effect on the pavement itself. Minor geotextile damage that apparently occurred during construction had little effect on the pavement performance. In all of the sections with geotextiles, the subgrade soils were found to have consolidated significantly in comparison with the soil-only sections. Overall, the geotextiles performed their intended function well.
    publisherAmerican Society of Civil Engineers
    titlePerformance of Geotextile Separators Five Years after Installation
    typeJournal Paper
    journal volume125
    journal issue5
    journal titleJournal of Geotechnical and Geoenvironmental Engineering
    identifier doi10.1061/(ASCE)1090-0241(1999)125:5(404)
    treeJournal of Geotechnical and Geoenvironmental Engineering:;1999:;Volume ( 125 ):;issue: 005
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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