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A Fuzzy Interface System to Predict Ultimate Strength of Circular Concrete Filled Steel Tubular Columns | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 30, Issue 3, 2012, Pages 364-377 PDF (223.08 K) | ||
| DOI: 10.30684/etj.30.3.4 | ||
| Author | ||
| Kadhim Zuboon Nasser | ||
| Abstract | ||
| In this study, a model for predicting the ultimate strength of circular concrete filled steel tubular columns (CCFST) under axial loads has been developed using fuzzy inference system (FIS). The available experimental results for (129) specimens obtained from open literature were used to build the proposed model. The predicted strengths obtained from the proposed FIS model were compared with the experimental values and with unfactored design strengths predicted using the design procedure specified in the AISC 2005 and Eurocode 4 for CCFST columns. Results showed that the predicted values by the proposed FIS model were very close to the experimental values and were more accurate than the AISC 2005 and Eurocode 4 values. As a result, FIS provided an efficient alternative method in predicting the ultimate strength of CCFST columns. | ||
| Keywords | ||
| steel columns; fuzzy inference system; Concrete Filled Steel Tube | ||
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