Abstract
ABSTRACT A general approximate method for the optimal design of perfectly plastic inhomogeneous structures exposed to dynamic pressure is presented. The solution is based on the kinematical approach and on simple rigid-plastic idealization and leads to mathematical programming. The application of the method is illustrated by the optimal design of thick-walled concrete tubes reinforced on their exterior surface by steel wires. The solution corresponds to the minimum cost of the materials used in the tube on the condition that the permanent radial displacements do not exceed their allowable values.
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