等分布荷重を受ける単層HPラチスシェルの座屈挙動と耐力評価

概要

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The purpose of the paper is to discuss the buckling behavior of rigidly jointed shallow HP (hyperbolic paraboloidal) . Lattice shell under uniform lateral loading and to propose a concept of column buckling strength by. Which the buckling loads are effectively expressed. First, a series of eigenvalue analysis is carried out to obtain the linear buckling loads depending on the several parameters, based on which a generalized slenderness is defined for column buckling curve, then followed by both the elastic and the elasto-plastic buckling analysis to find the magnitude of the knock down factor and the column strength for HP lattice. Finally the initial yield load and the ultimate load are expressed in terms of column buckling strength, and the concept is applied to estimate the initial yield load and the ultimate load based of HP lattice shells.
2002-03-30