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    Structural Response of a Low-Fill Box Culvert under Static and Traffic Loading

    Source: Journal of Performance of Constructed Facilities:;2016:;Volume ( 030 ):;issue: 001
    Author:
    Raju Acharya
    ,
    Jie Han
    ,
    James J. Brennan
    ,
    Robert L. Parsons
    ,
    Deep Kumar Khatri
    DOI: 10.1061/(ASCE)CF.1943-5509.0000690
    Publisher: American Society of Civil Engineers
    Abstract: Box structures have been commonly used under highways. They are installed at grade or at great depths. When a box culvert is buried at a shallow depth, vertical pressure and dynamic impact due to traffic loading transferred onto the roof of the culvert can induce deflections of the culvert. The effect of the traffic load on the response of the culvert depends not only on the magnitude, pattern, and speed of the traffic load but also on the pavement structure. To investigate these factors, a reinforced concrete box culvert under three roadway sections (concrete pavement, concrete shoulder, and unsurfaced fill) was tested under static and traffic loads. The total thickness of pavement layers was 0.65 m within the pavement section and decreased gradually towards the end of the culvert through the shoulder and the unsurfaced section. The culvert was instrumented with displacement transducers under the roof and pressure cells on top of the roof within the unsurfaced fill. A low-boy truck with a known axle configuration and load was used to apply seven static load combinations and traffic loads at different speeds. Deflections under the roof and pressures on the roof were measured. The test results show that the magnitudes of the deflections of the culvert roof under static loads were generally increased from the concrete pavement, the concrete shoulder, to the unsurfaced fill. The truck at a higher speed generally induced more deflections than that at a lower speed or stationary.
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      Structural Response of a Low-Fill Box Culvert under Static and Traffic Loading

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    http://yetl.yabesh.ir/yetl1/handle/yetl/81902
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    contributor authorRaju Acharya
    contributor authorJie Han
    contributor authorJames J. Brennan
    contributor authorRobert L. Parsons
    contributor authorDeep Kumar Khatri
    date accessioned2017-05-08T22:31:04Z
    date available2017-05-08T22:31:04Z
    date copyrightFebruary 2016
    date issued2016
    identifier other47939431.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/81902
    description abstractBox structures have been commonly used under highways. They are installed at grade or at great depths. When a box culvert is buried at a shallow depth, vertical pressure and dynamic impact due to traffic loading transferred onto the roof of the culvert can induce deflections of the culvert. The effect of the traffic load on the response of the culvert depends not only on the magnitude, pattern, and speed of the traffic load but also on the pavement structure. To investigate these factors, a reinforced concrete box culvert under three roadway sections (concrete pavement, concrete shoulder, and unsurfaced fill) was tested under static and traffic loads. The total thickness of pavement layers was 0.65 m within the pavement section and decreased gradually towards the end of the culvert through the shoulder and the unsurfaced section. The culvert was instrumented with displacement transducers under the roof and pressure cells on top of the roof within the unsurfaced fill. A low-boy truck with a known axle configuration and load was used to apply seven static load combinations and traffic loads at different speeds. Deflections under the roof and pressures on the roof were measured. The test results show that the magnitudes of the deflections of the culvert roof under static loads were generally increased from the concrete pavement, the concrete shoulder, to the unsurfaced fill. The truck at a higher speed generally induced more deflections than that at a lower speed or stationary.
    publisherAmerican Society of Civil Engineers
    titleStructural Response of a Low-Fill Box Culvert under Static and Traffic Loading
    typeJournal Paper
    journal volume30
    journal issue1
    journal titleJournal of Performance of Constructed Facilities
    identifier doi10.1061/(ASCE)CF.1943-5509.0000690
    treeJournal of Performance of Constructed Facilities:;2016:;Volume ( 030 ):;issue: 001
    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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