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    Brace Effectiveness of Cross-frame Layout and Connection Design on Skewed Steel Bridges During Construction

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    Zhou_ku_0099D_16671_DATA_1.pdf (38.66Mb)
    Issue Date
    2019-08-31
    Author
    Zhou, Chenqi
    Publisher
    University of Kansas
    Format
    455 pages
    Type
    Dissertation
    Degree Level
    Ph.D.
    Discipline
    Civil, Environmental & Architectural Engineering
    Rights
    Copyright held by the author.
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    Abstract
    The Kansas Department of Transportation (KDOT)'s current design practice is to align cross-frames parallel to the skew angle to avoid problems associated with fit-up during erection. The American Association of State Highway and Transportation Officials (AASHTO) provisions for bridges with skew angle greater than 20 degrees are based on the assumption that cross-frames are oriented perpendicular to the girder line. There is a potentially significant discrepancy between assumptions implicit in the AASHTO Specifications and bridges that are designed with cross-frames placed parallel to the skew for skew angles between 20 and 40 degrees. An analytical approach was chosen to study the effects of cross-frame orientation, spacing, skew angle, and connection design upon flange stresses, bridge stability, and cross-frame stresses.
    URI
    http://hdl.handle.net/1808/29709
    Collections
    • Dissertations [4475]
    • Engineering Dissertations and Theses [1055]

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    785-864-8983
    KU Libraries
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    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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