Abstract
The present study discusses the elastic buckling load of spherical latticed domes on rectangular plan. The buckling loads are non-dimensionalized by using both the buckling loads as pinconnected dome with no bending rigidity at the ends of members and the buckling load as an equivalent. shell. The dividing parameter by which the dome can be classified like a pinconnected dome or like a continuous shell is defined quantitatively and is proved to depend on the boundary conditions of shells. Also the elastic buckling loads are shown to fall on nearly half of their linear buckling loads obtained by neglecting the prebuckling deformations.
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