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Item Information   Holdings       More by this author     Whittinghill, Chad J.     Subjects     Steel, Structural -- Specifications     Girders -- Joints     Strength of materials     Strains and stresses     MSST Project.     Browse Catalog     by author:      Whittinghill, Chad J.       by title:      Partial fixity in st...         MARC Display

Partial fixity in steel single plate connections to HSS tube columns / Chad J. Whittinghill. by Whittinghill, Chad J. Subjects Steel, Structural -- Specifications   Girders -- Joints   Strength of materials   Strains and stresses   MSST Project. Description:  126 leaves : ill. ; 29 cm. Contents:  Thesis advisor: Christopher Raebel Committee members: Dr. Richard DeVries, Dr. Douglas Stahl Introduction -- Background -- Literature review -- Testing setup and procedure -- Results -- Conclusions -- A: Test data -- B: Additional photos -- C: Steel shop drawings -- D: Sample problem #1 -- E: Sample problem #2. When analyzing a structure, beam to column connections are classified as simple, fully restrained, or partially restrained. The type of end connection used in the analysis greatly affects the design of the beam and the column. Previous research has suggested that single shear plate connections, which are commonly designed as simple connections, may be stiffer than originally assumed. The scope of the previous research was limited to examine the accuracy of modeling single plate connections of beams to HSS tube columns as simple connections. The results of this research are used to demonstrate how modeling single plate connections as partially restrained, rather than simple, can lead to a more accurate analysis and possible cost savings. Connections were made between a W24x76 beam and HSS tube columns of varying size and thickness. A horizontal force and beam deflection were measured simultaneously throughout a predetermined load cycle. Each tube column section was tested using three separate bolt configurations. From this data, a rotational stiffness was determined for each trial connection. The rotational stiffness values were then used in sample problems to compare true moment and deflection behavior with the assumed behavior. The test connections all displayed moment-rotation behaviors that were well within the AISC recommendations for designing as simple shear connections. However, each connection was able to transfer moment to the column. While this moment transfer may be insignificant in many designs, understanding the true connection behavior may be valuable for beams with minor end moment demands.   Copy/Holding information Location Collection Call No. Status   Walter Schroeder Library Master's Theses AC805 .W48 2009 Available Add Copy to MyList Format: HTMLPlain textDelimited Subject:   Email to:

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