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    Modified Yield Line Theory for Full-Depth Precast Concrete Bridge Deck Overhang Panels

    Source: Journal of Bridge Engineering:;2011:;Volume ( 016 ):;issue: 001
    Author:
    Thomas J. Mander
    ,
    John B. Mander
    ,
    Monique Hite Head
    DOI: 10.1061/(ASCE)BE.1943-5592.0000156
    Publisher: American Society of Civil Engineers
    Abstract: Full-depth precast deck slab cantilevers also referred to as full-depth precast concrete bridge deck overhang panels are becoming increasingly popular in concrete bridge deck construction. To date, no simple theory is able to estimate the overhang capacity of full-depth concrete bridge deck slabs accurately. Observations suggest that interaction between flexure and shear is likely to occur as neither alone provides an accurate estimate of the load-carrying capacity. Therefore, modified yield line theory is presented in this paper, which accounts for the development length of the mild steel reinforcing to reach yield strength. Failure of the full-depth panels is influenced by the presence of the partial-depth transverse panel-to-panel seam. When applying a load on the edge of the seam, the loaded panel fails under flexure while the seam fails in shear. Through the use of the modified yield line theory coupled with a panel-to-panel shear interaction, analytical predictions are accurate within 1–6% of experimental results for critical cases.
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      Modified Yield Line Theory for Full-Depth Precast Concrete Bridge Deck Overhang Panels

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    http://yetl.yabesh.ir/yetl1/handle/yetl/56688
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    contributor authorThomas J. Mander
    contributor authorJohn B. Mander
    contributor authorMonique Hite Head
    date accessioned2017-05-08T21:34:57Z
    date available2017-05-08T21:34:57Z
    date copyrightJanuary 2011
    date issued2011
    identifier other%28asce%29be%2E1943-5592%2E0000159.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/56688
    description abstractFull-depth precast deck slab cantilevers also referred to as full-depth precast concrete bridge deck overhang panels are becoming increasingly popular in concrete bridge deck construction. To date, no simple theory is able to estimate the overhang capacity of full-depth concrete bridge deck slabs accurately. Observations suggest that interaction between flexure and shear is likely to occur as neither alone provides an accurate estimate of the load-carrying capacity. Therefore, modified yield line theory is presented in this paper, which accounts for the development length of the mild steel reinforcing to reach yield strength. Failure of the full-depth panels is influenced by the presence of the partial-depth transverse panel-to-panel seam. When applying a load on the edge of the seam, the loaded panel fails under flexure while the seam fails in shear. Through the use of the modified yield line theory coupled with a panel-to-panel shear interaction, analytical predictions are accurate within 1–6% of experimental results for critical cases.
    publisherAmerican Society of Civil Engineers
    titleModified Yield Line Theory for Full-Depth Precast Concrete Bridge Deck Overhang Panels
    typeJournal Paper
    journal volume16
    journal issue1
    journal titleJournal of Bridge Engineering
    identifier doi10.1061/(ASCE)BE.1943-5592.0000156
    treeJournal of Bridge Engineering:;2011:;Volume ( 016 ):;issue: 001
    contenttypeFulltext
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