Elastic-Plastic Deformations of Steel Structuresby Kurt H. Gerstle,
Serial Information: Journal of the Structural Division, 1963, Vol. 89, Issue 1, Pg. 179-196
Document Type: Journal Paper
Abstract: An error analysis is performed to investigate the accuracy of the approximate plastic hinge method of determining the elastic-plastic deformations of structures. Because this method is based on linearized moment-curvature relationships, which overestimate the stiffness of the members, all results will be on the unsafe side. Three structures are analyzed by a more exact method based on the exact moment-curvature relationships for members of elastic-plastic material. Results are compared with those obtained by using the plastic hinge method, and indicate that the latter method furnishes results of sufficient accuracy for practical requirements.
Subject Headings: Elastic analysis | Plastic hinges | Deformation (mechanics) | Curvature | Steel structures | Errors (statistics) | Plastic analysis
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