Abstract
The creep buckling behaviour is investigated for simply supported rectangular plates under axial compression. In addition to creep also elastic and plastic deformations are accounted for. The initial creep buckling behaviour at small deflections is analysed by a perturbation method, and this solution is used to obtain a simple, rough estimate of the life time. Numerical solutions for the plate creep buckling are obtained by an iterative incremental method. Based on these results the effect of the creep exponent and various effects of plasticity are discussed. The failure times obtained numerically are compared with the time estimates based on a symptotic theory and with critical times predicted in earlier investigations.
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