Reconsideration of Estimation Procedure for Elastic Plastic Buckling Loads of Cylindrical Latticed Shells

Abstract

Although AIJ recommendation for design of latticed shell roof structures has suggested a procedure to calculate buckling capacity of cylindrical latticed shells, calculation methods of the buckling capacity for the shells subjected to non-uniform load remain to be one of the indefinite issues.This paper investigates the effects of both load eccentricity and geometrical initial imperfection on buckling loads of cylindrical latticed shells with a special focus on the variation of the knock down factor due to the load eccentricity, and the results provide improvement for the estimation procedure suggested in the current AIJ recommendation.