Abstract
Dept. of Civil and Environmental System Engineering, Yonsei University, Seoul 120-749, KoreaABSTRACT This paper presents a systematic approach for estimating material performance and designing mix proportion ofconcrete based on an application of Bayesian method in the form of satisfaction curves. The one-parameter satisfaction curve rep-resents a satisfaction probability of a concrete performance criterion as a function of concrete material parameter. An analysismethod to combine multiple satisfaction curves to form one unique satisfaction curve that can relate the performance of concreteto a single evaluating value called Goodness value is proposed. A proposed PBMD procedure and examples of application of thePBMD method for concrete mix proportion design are carried out to verify the validity of the proposed method. Finally, the com-parison between the expected performance results of a concrete mix proportion designed using PBMD to the ACI estimation equa-tion calculated results are performed to check the applicability of the method to actual construction.Keywords : performance based design, Bayesian method, satisfaction curve, concrete mix proportion design
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