Folded Plates Continuous Over Flexible Supports

by Mustafa Pultar,
David P. Billington,
Jorge D. Riera,

Serial Information: Journal of the Structural Division, 1967, Vol. 93, Issue 5, Pg. 253-278

Document Type: Journal Paper


Thin shell theory is used to derive a general method of treating folded plates continuous over columns, diaphragms or gables. In order to solve the simply-supported folded plate, a Levy type solution is assumed, restricting the exterior supports to rigid diaphragms. This is done following the Goldberg-Leve formulation or, alternatively, by resorting to a straight numerical integration of the resulting system of ordinary differential equations. Impulse loadings are then applied to the simply supported structure to provide influence coefficients for column reactions. Where transverse diaphragms or gables are used, the simply-supported folded plate is again the primary system and compatibility is achieved by collocation, using transversely distributed impulse functions and joint impulse forces to model the support reactions. Numerical examples for each type of support are included and the results compared with model studies and with results from other solution methods.

Subject Headings: Numerical methods | Folded plates | Diaphragms (structural) | Columns | Numerical analysis | Structural models | Differential equations | Impulsive loads

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