Reliability-based plastic synthesis of portal frames

Reliability-based plastic synthesis of portal frames

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Article ID: iaor1992551
Country: United Kingdom
Volume: 17
Issue: 3
Start Page Number: 175
End Page Number: 204
Publication Date: May 1991
Journal: Engineering Optimization
Authors:
Keywords: design, programming: convex, programming: quadratic, quality & reliability
Abstract:

A mathematical programming technique is described which minimizes the total average volume of steel reinforcement of a reinforced concrete frame for a specific failure probability. The structural material is assumed to exhibit a perfectly-plastic behaviour so that plastic collapse is the only possible failure mode. It consists of solving alternatively a reliability assessment problem, which incorporates recent developments in large-scale constrained concave quadratic programming and an optimal sizing problem (convex minimization) until the best reliability-based design against collapse is found.

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