Abstract
The elasto-plastic bending of a clamped circular plate under a partical circular uniform load is investigated by the total strain theory and the Mises'yield condition. To solve the fundamental equations corresponding to the ranges of the elasto-plastic bending and the pure elastic bending continuously, a new paramater which indicates the appearance of the plastic region on the plate is used to rewrite the fundamental equation in the pure elastic bending range. The distribution of the bending moments and the deflection in the plate, the development of the plastic region in the meridian section, the relation between the load and the mode of development of the plastic region are discussed in regard to the ratio of radii of the loading circle and the plate.
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