Stability of Flexibly Connected Plate Systems

by Milija Pavlovic, Lect.; Dept. of Civ. Engrg., Imperial Coll., London, England,
Leonard K. Stevens, Prof.; Dept. of Civ. Engrg., Univ. of Melbourne, Australia,
Donald S. Mansell, (M.ASCE), Sr. Lect.; Dept. of Civ. Engrg., Univ. of Melbourne, Australia,

Serial Information: Journal of the Structural Division, 1980, Vol. 106, Issue 10, Pg. 2077-2096

Document Type: Journal Paper


Two or more plates connected along lines parallel to the direction of in-plane load reach a limiting state of stability that depends on the stiffness of the connection. Intermittent and one-sided welds provide a connection with finite stiffness. Under certain circumstances described in the paper the connection flexibility may be estimated by averaging over the length of the assembly. This leads to a solution of the elastic limiting stability of the plates. When the elements in the assembly develop considerable torsional interaction the buckling stress may be analyzed for the system as a whole. Conditions are defined limiting the effectiveness of intermittent connections and it is shown that the connection is practically rigid if it is an all-around weld with size not less than the plate thickness.

Subject Headings: Welded connections | Plates | Stiffening | Stress analysis | System analysis | Load factors | Elastic analysis | Torsion

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