Buckling of Locally Imperfect Stiffeners in Plates

by Wing-Chau Fok, Research Asst.; Dept. of Civ. and Municipal Engrg., Univ. Coll. London, London, England,
James Rhodes, Lect.; Dept. of Mechanics and Materials, Univ. of Strathclyde, Glasgow, Scotland,
Alastair C. Walker, Reader in Struct. Engrg.; Dept. of Civ. and Municipal Engrg., Univ. Coll. London, London, England,


Serial Information: Journal of the Engineering Mechanics Division, 1977, Vol. 103, Issue 5, Pg. 895-911


Document Type: Journal Paper

Abstract: An analysis is presented of the elastic buckling of infinitely wide stiffened plates. The analysis is based on a simplified model of the panel and seeks to determine the interactive behavior of the overall mode of buckling and the local buckling of the stiffener outstands. A high degree of imperfection sensitivity is predicted, particularly for geometries in which the local and overall critical loads are close. The predictions of the analysis are in good agreement with experimental test results showing that the approximations inherent in the analytical model do not lead to significant errors.

Subject Headings: Buckling | Stiffening | Elastic analysis | Plates | Model tests | Errors (statistics) | Structural models

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