Discrete Field Stability Analysis of Ribbed Plates

by R. Richard Avent, (M.ASCE), Assoc. Prof. of Civ. Engrg.; Mississippi State Univ., Starkville, Miss.,
Dieter Bounin, Sr. Research Engr.; Siempelkamp Giesserei KG, Krefeld, West Germany; formerly, Grad. Asst., Georgia Inst. of Tech., Atlanta, Ga.,

Serial Information: Journal of the Structural Division, 1976, Vol. 102, Issue 9, Pg. 1917-1938

Document Type: Journal Paper


A discrete field analysis is used to derive formulas from which the elastic buckling behavior of ribbed-plate structures can be determined. The analysis includes complete interaction between plate and ribs, consideration of both membrane and flexural plate action, and flexible beam boundary rib supports on two opposite sides. A relatively simple transcendental equation is developed which can be numerically solved for critical buckling loads. The form and complexity of this equation is independent of the number of ribs in the system. Results show effects of various parameters on ribbed-plate stability.

Subject Headings: Plates | Elastic analysis | Structural behavior | Membranes | Flexural strength | Beams | Domain boundary | Numerical methods

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