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    Influence of Culvert Shape on Outlet Scour

    Source: Journal of Hydraulic Engineering:;1987:;Volume ( 113 ):;issue: 003
    Author:
    S. R. Abt
    ,
    J. F. Ruff
    ,
    F. K. Doehring
    ,
    C. A. Donnell
    DOI: 10.1061/(ASCE)0733-9429(1987)113:3(393)
    Publisher: American Society of Civil Engineers
    Abstract: A flume study is conducted to determine culvert shape influence on the scour geometry at culvert outlets. Twenty-six experiments are performed in which flows discharged for 316 minutes through circular, arch, square and rectangular shaped culverts and the resulting scour holes are documented. The scour hole dimensions for the arch, square and rectangular shaped culverts are normalized and compared to the scour hole dimensions for the circular culvert. Culvert shape significantly influenced the scour dimensions compared to the scour dimensions determined using the circular shape culvert. A series of expressions are developed correlating the dimensionless scour hole parameters of depth, width, length and volume to the modified discharge intensity. The denominator of the modified discharge intensity parameter, termed the culvert shape factor, compensates for shape differences for comparison.
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      Influence of Culvert Shape on Outlet Scour

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    contributor authorS. R. Abt
    contributor authorJ. F. Ruff
    contributor authorF. K. Doehring
    contributor authorC. A. Donnell
    date accessioned2017-05-08T20:39:49Z
    date available2017-05-08T20:39:49Z
    date copyrightMarch 1987
    date issued1987
    identifier other%28asce%290733-9429%281987%29113%3A3%28393%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/22770
    description abstractA flume study is conducted to determine culvert shape influence on the scour geometry at culvert outlets. Twenty-six experiments are performed in which flows discharged for 316 minutes through circular, arch, square and rectangular shaped culverts and the resulting scour holes are documented. The scour hole dimensions for the arch, square and rectangular shaped culverts are normalized and compared to the scour hole dimensions for the circular culvert. Culvert shape significantly influenced the scour dimensions compared to the scour dimensions determined using the circular shape culvert. A series of expressions are developed correlating the dimensionless scour hole parameters of depth, width, length and volume to the modified discharge intensity. The denominator of the modified discharge intensity parameter, termed the culvert shape factor, compensates for shape differences for comparison.
    publisherAmerican Society of Civil Engineers
    titleInfluence of Culvert Shape on Outlet Scour
    typeJournal Paper
    journal volume113
    journal issue3
    journal titleJournal of Hydraulic Engineering
    identifier doi10.1061/(ASCE)0733-9429(1987)113:3(393)
    treeJournal of Hydraulic Engineering:;1987:;Volume ( 113 ):;issue: 003
    contenttypeFulltext
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