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    An investigation of laser-welded corrugated-core sandwich beams and plates stiffened with concrete

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    Author
    McCullough, Shawn Rita
    Date
    2000
    Advisor
    Nordgren, Ronald P.
    Degree
    Master of Science
    Abstract
    This thesis focuses on the behavior of a corrugated-core sandwich panel with a concrete top layer under normal loads applied to the concrete face. This sandwich panel is composed of two steel face plates separated by a corrugated sheet welded to them at its crests and troughs. A concrete layer is placed on the top face of the sandwich panel, utilizing shear connectors to ensure composite action. The objective of this study is to examine the structural behavior of these composite panels. This thesis intends to provide design capabilities for applications in which this type of sandwich panel is well suited, e.g., emergency bridge repair, building floors, or fire walls. The panels are analyzed using both elementary beam theory (for narrow panels) and the classical theory of orthotropic plates. In order to complete the theory, the bending stiffnesses in the various directions are determined by structural analysis. To verify the theory, extensive experimental testing has been performed on the sandwich panels. It is found that compression of the core accounts for a majority of the deflection in the relatively thick specimens tested here. Measured deflections are compared with those obtained theoretically, and after corrections are made for core compression, they are in fair agreement.
    Keyword
    Civil engineering; Mechanical engineering
    Citation
    McCullough, Shawn Rita. "An investigation of laser-welded corrugated-core sandwich beams and plates stiffened with concrete." (2000) Master’s Thesis, Rice University. https://hdl.handle.net/1911/17358.
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    • Rice University Electronic Theses and Dissertations [13405]

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    Home | FAQ | Contact Us | Privacy Notice | Accessibility Statement
    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
    Mailing Address: MS-44, P.O.BOX 1892, Houston, Texas 77251-1892
    Site Map