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- 저자 : A. Kemal Cengiz (검색결과 2 건)
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Use of uncertain numbers for appraising tensile strength of concrete
Bulent Tutmez,A. Kemal Cengiz,Didem Eren Sarici 국제구조공학회 2013 Structural Engineering and Mechanics, An Int'l Jou Vol.46 No.4
Splitting tensile strength (STS) is a respectable mechanical property reflecting ability of the concrete. The STS of concrete is mainly related to compressive strength (CS), water/binder (W/B) ratio and concrete age. In this study, the assessment of STS is made by a novel uncertainty-oriented method which uses least square optimization and then predicts STS of concrete by uncertain (fuzzy) numbers. The approximation method addresses a novel integration of fuzzy set theory and multivariate statistics. The numerical examples showed that the method is applicable with relatively limited data. In addition, the prediction of uncertainty at various levels of possibility can be described. In conclusion, the uncertaintyoriented interval analysis can be suggested an effective tool for appraising the uncertainties in concrete technology.
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Use of uncertain numbers for appraising tensile strength of concrete
Tutmez, Bulent,Cengiz, A. Kemal,Sarici, Didem Eren Techno-Press 2013 Structural Engineering and Mechanics, An Int'l Jou Vol.46 No.4
Splitting tensile strength (STS) is a respectable mechanical property reflecting ability of the concrete. The STS of concrete is mainly related to compressive strength (CS), water/binder (W/B) ratio and concrete age. In this study, the assessment of STS is made by a novel uncertainty-oriented method which uses least square optimization and then predicts STS of concrete by uncertain (fuzzy) numbers. The approximation method addresses a novel integration of fuzzy set theory and multivariate statistics. The numerical examples showed that the method is applicable with relatively limited data. In addition, the prediction of uncertainty at various levels of possibility can be described. In conclusion, the uncertainty-oriented interval analysis can be suggested an effective tool for appraising the uncertainties in concrete technology.
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