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A Study on the Optimized Design of Structures Considering Reliability Analysis  

Park, Hyun-Jung (신라대학교 건축공학과)
Shin, Soo-Mi (부산대학교 건축공학과)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.7, no.4, 2003 , pp. 217-224 More about this Journal
Abstract
The objective of this paper is to suggest the technique of program to perform structural optimization design after reliability analysis to consider the uncertainties of structural reponses. AFOSM method is used for reliability analysis then, structural optimization design is developed for 10-bar truss and 3 span 10 stories planar frame model is subject to reliability indices and probability of failure by reliability analysis. SQP method is used for optimization design method, this method has many attractions. As a result of analyzing with having and not having constraints and uncertainty, the minimum weight of truss and planar frame increased respectively 20.92% and average 8.08%.
Keywords
Reliability Index; Probabilistic Failure; AFOSM(Advanced First Order Second Moment) Method; Optimization Design;
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