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Vol. 49 (2008) No. 1 April n. 157


Buckling Load of Elliptic and Hyperbolic Paraboloidal Steel Single-Layer Reticulated Shells of Rectangular Plan

< Table of Contents for Vol. 49 (2008) No. 1 April n. 157
  • Journal Name: Journal of the International Association for Shell and Spatial Structures (J. IASS)
  • ISSN: (Electronic Version) 1996-9015
  • ISSN: (Print Version) 1028-365X
  • Issue: Vol. 49 (2008) No. 1 April n. 157
  • Pages: 21-36
  • Title: Buckling Load of Elliptic and Hyperbolic Paraboloidal Steel Single-Layer Reticulated Shells of Rectangular Plan
  • Author(s): T.Ogawa, S. Kato, M. Fujimoto
  • Keywords: Reticulated Shells, Rigid Connection, Elliptic Paraboloidal Surface, Hyperbolic Paraboloidal Surface, Buckling Load, Column Strength Curves
Abstract
The evaluation of buckling loads of elliptic paraboloidal and hyperbolic paraboloidal reticulated roofs of rigid connection is discussed based on the various researches. The roofs are assumed as three-way or two-way single layer with a pin support or simple support at peripheries on a rectangular plan. The results for linear buckling, elastic buckling and elasto-plastic buckling are related for guiding a design formula to evaluate the elasto-plastic buckling strength. The results are formulated in an explicit expression for buckling loads interpreted into a column buckling strength in terms of generalized slenderness ratio.

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