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Item Information   Holdings       More by this author     Rescorla, Matthew R.     Subjects     Steel, Structural -- Standards.     Structural analysis (Engineering)     Strains and stresses     Connections (Mathematics)     Building, Iron and steel     MSST Project.     Browse Catalog     by author:      Rescorla, Matthew R.       by title:      Partially restrained...         MARC Display

Partially restrained moment connections : classification of connections relative to stiffness, strength, and ductility / by Matthew R. Rescorla. by Rescorla, Matthew R. Subjects Steel, Structural -- Standards.   Structural analysis (Engineering)   Strains and stresses   Connections (Mathematics)   Building, Iron and steel   MSST Project. Description:  85 leaves : ill. ; 29 cm. Contents:  Thesis advisor: Christopher Raebel Committee members: Dr. Hans-Peter Huttelmaier, Dr. Richard De Vries Introduction -- Literature review -- Laboratory testing--set-up and description -- Laboratory testing-performance -- Results and summary -- Conclusion -- A: Test assembly shop drawings -- B: Laboratory testing photos -- C: Cold-formed c-channel moment capacity calculation -- D: Condensed test data and graphs -- E: Calculations for secant stiffness graphs. Integral to the design of all structures is connection design. Therefore, one must know the stiffness, strength, and ductility capacity, along with the moment-rotation characteristics of the connection that is being utilized. To that end, it was the author's intent to investigate two different types of connections in hopes of obtaining results that could be used to classify the connections as simple, partially restrained, or fully restrained. In addition, the connections' defining characteristics and the moment-rotation capacity of each connection were established. The investigation was conducted using five test specimens. Three set-ups consisted of cold-formed c-channels bolted to vertical column tops and two set-ups consisted of wide flange members bolted to the face of a hollow structural section via a moment end-plate. Each specimen was placed and bolted into the testing apparatus such that the hydraulic ram could engage a beam cantilevered from the column approximately three feet. Loading was applied in a cyclical fashion; the load magnitude was recorded while linear differential variable transducer (LDTV) measured deflections near the joint. It was established that both types of connection were within the "simple" range of two different connection classification schemes. The prevailing factors that contributed to the results are lack of enough bolts in conjunction with slightly oversized slots in the case of the c-channel tests and a very stiff beam compared to a relatively thin tube wall thickness for the moment end-plate connection. The classification schemes chosen for this project are based on those found in the American Institute of Steel Construction (AISC) Steel Construction Manual and in publications by Bjorhovde et al., and Christopher and Bjorhovde.   Copy/Holding information Location Collection Call No. Status   Walter Schroeder Library Master's Theses AC805 .R46 2009 Available Add Copy to MyList Format: HTMLPlain textDelimited Subject:   Email to:

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