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Experimental Assessment Of The Current Load Rating Procedures For A Corroded Steel Ridge Girder In Massachusetts, Brendan T. Knickle
Experimental Assessment Of The Current Load Rating Procedures For A Corroded Steel Ridge Girder In Massachusetts, Brendan T. Knickle
Structural Engineering Masters Projects
The work conducted for this project involves an experimental assessment of the Massachusetts Department of Transportation’s (MassDOT) existing procedure for determining the resistance of a corroded steel girder end when load rating a bridge. Three steel girders with significant corrosion developed over a 79-year service life were obtained from a recently rehabilitated bridge and loaded to determine the girders corroded resistance. A testing rig was designed in the UMass Amherst Brack Structural Testing Laboratory to both apply a shear dominated load to the corroded girder and withstand the developed lateral loads throughout the analysis. Reaction force data obtained from the …
Material Characterization And Computational Simulation Of Steel Foam For Use In Structural Applications, Brooks H. Smith
Material Characterization And Computational Simulation Of Steel Foam For Use In Structural Applications, Brooks H. Smith
Masters Theses 1911 - February 2014
Cellular metals made from aluminum, titanium, or other metals are becoming increasingly popular for use in structural components of automobiles, aircraft, and orthopaedic implants. Civil engineering applications remain largely absent, primarily due to poor understanding of the material and its structural properties. However, the material features a high stiffness to weight ratio, excellent energy dissipation, and low thermal conductivity, suggesting that it could become a highly valuable new material in structural engineering. Previous attempts to characterize the mechanical properties of steel foam have focused almost exclusively upon uniaxial compression tests, both in experimental research and in computational simulations. Further, computational …