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    Life-Cycle Optimization of Pavement Overlay Systems

    Source: Journal of Infrastructure Systems:;2010:;Volume ( 016 ):;issue: 004
    Author:
    Han Zhang
    ,
    Gregory A. Keoleian
    ,
    Michael D. Lepech
    ,
    Alissa Kendall
    DOI: 10.1061/(ASCE)IS.1943-555X.0000042
    Publisher: American Society of Civil Engineers
    Abstract: Preservation (maintenance and rehabilitation) strategy is the critical factor controlling pavement performance. A life-cycle optimization (LCO) model was developed to determine an optimal preservation strategy for a pavement overlay system and to minimize the total life-cycle energy consumption, greenhouse gas (GHG) emissions, and costs within an analysis period. Using dynamic programming optimization techniques, the LCO model integrates dynamic life-cycle assessment and life-cycle cost analysis models with an autoregressive pavement overlay deterioration model. To improve sustainability in pavement design, a promising alternative material for pavement overlays, engineered cementitious composites (ECCs), was studied. The LCO model was applied to an ECC overlay system, a concrete overlay system, and a hot mixed asphalt (HMA) overlay system. The LCO results show that the optimal preservation strategies will reduce the total life-cycle energy consumption by 5–30%, GHG emissions by 4–40%, and costs by 0.4–12% for the concrete, ECC, and HMA overlay systems compared to the current Michigan Department of Transportation preservation strategies, respectively. The impact of traffic growth on the optimal preservation strategies was also explored.
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      Life-Cycle Optimization of Pavement Overlay Systems

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    http://yetl.yabesh.ir/yetl1/handle/yetl/65628
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    contributor authorHan Zhang
    contributor authorGregory A. Keoleian
    contributor authorMichael D. Lepech
    contributor authorAlissa Kendall
    date accessioned2017-05-08T21:53:39Z
    date available2017-05-08T21:53:39Z
    date copyrightDecember 2010
    date issued2010
    identifier other%28asce%29is%2E1943-555x%2E0000073.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/65628
    description abstractPreservation (maintenance and rehabilitation) strategy is the critical factor controlling pavement performance. A life-cycle optimization (LCO) model was developed to determine an optimal preservation strategy for a pavement overlay system and to minimize the total life-cycle energy consumption, greenhouse gas (GHG) emissions, and costs within an analysis period. Using dynamic programming optimization techniques, the LCO model integrates dynamic life-cycle assessment and life-cycle cost analysis models with an autoregressive pavement overlay deterioration model. To improve sustainability in pavement design, a promising alternative material for pavement overlays, engineered cementitious composites (ECCs), was studied. The LCO model was applied to an ECC overlay system, a concrete overlay system, and a hot mixed asphalt (HMA) overlay system. The LCO results show that the optimal preservation strategies will reduce the total life-cycle energy consumption by 5–30%, GHG emissions by 4–40%, and costs by 0.4–12% for the concrete, ECC, and HMA overlay systems compared to the current Michigan Department of Transportation preservation strategies, respectively. The impact of traffic growth on the optimal preservation strategies was also explored.
    publisherAmerican Society of Civil Engineers
    titleLife-Cycle Optimization of Pavement Overlay Systems
    typeJournal Paper
    journal volume16
    journal issue4
    journal titleJournal of Infrastructure Systems
    identifier doi10.1061/(ASCE)IS.1943-555X.0000042
    treeJournal of Infrastructure Systems:;2010:;Volume ( 016 ):;issue: 004
    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
    yabeshDSpacePersian