Rigidity and Strength of Composite Plates

by C. W. Beadle,
J. W. Dally,
William F. Riley,

Serial Information: Journal of the Engineering Mechanics Division, 1964, Vol. 90, Issue 6, Pg. 211-244

Document Type: Journal Paper

Abstract: The objective of the experimental study described was to determine the rigidity, load carrying capability, and mode of failure for several composite (steel and concrete) circular plates. The models used for the study consisted essentially of an 18-3/4 in. diameter steel base plate overlaid with 3-1/2 in. of concrete. The concrete was constrained within a steel confining ring that was butt welded to the base plate. A special fixture was designed and built to apply loads to the models. In the fixture the models were simply-supported around the periphery of the steel base plate. A uniform lateral pressure sufficient to produce plastic deformation in the steel was applied to the concrete face. The results of the study indicate that concrete can be used with a confining ring and shear rings at the steel-concrete interface to increase the rigidity as well as the load carrying capability of the plates. The use of concrete as a load carrying component of the plate permits a reduction in the amount of steel for a given pressure level and results in a less expensive more easily fabricated design.

Subject Headings: Steel plates | Concrete | Rigidity | Load factors | Composite materials | Model analysis | Lateral pressure

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