Abstract
The structure of concrete concrete-filled steel tube is a new composite one, the theory about this joints of concrete-filled steel tube beam-column is imperfect, and especially the imperfect dynamic performance of the joints needs much further study. Now the theoretical research about the constitutive relation between the steel and concrete is inconsistent, and so do the yield criterion. According to the mathematical and mechanical model which is classical, the research of experiments can’t be done because of the error of the boundary conditions, the size effect, the loading method, and so on. Besides these, the stress which is complex can’t be ignored. As the factors exist, we can’t learn about the knowledge of the joints which are tested by their reactions in the effect of the dynamical load. Considering these factors, we carry out finite element analysis on the aseismatic behavior of the joints of new type of concrete-filled steel tubes, which is based on fuzzy mathematics, especially the basic principles and methods give important help to us. The results of the example analysis have showed that the finite element calculation model based on fuzzy mathematics is suited for the mechanical properties of the analysis of the joints. Besides that, results of finite element analysis based on fuzzy mathematics are compared with the data of experiment, and they are valuable methods for design of joints of concrete-filled steel tubes beam-column.
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Liu, S., Wei, X., Wei, X. (2010). Fuzzy Finite Element Analysis for Joints of CFST Beam-Column. In: Cao, By., Wang, Gj., Guo, Sz., Chen, Sl. (eds) Fuzzy Information and Engineering 2010. Advances in Intelligent and Soft Computing, vol 78. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-14880-4_79
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DOI: https://doi.org/10.1007/978-3-642-14880-4_79
Publisher Name: Springer, Berlin, Heidelberg
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