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Steel and Composite Structures Volume 8, Number 2, April 2008 , pages 99-114 DOI: https://doi.org/10.12989/scs.2008.8.2.099 |
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Endochronic simulation for the response of 1020 carbon steel tubes under symmetric and unsymmetric cyclic bending with or without external pressure |
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Kuo-Long Lee, Chien-Min Hsu and Chao-Yu Hung
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| Abstract | ||
| This paper presents the theoretical simulation of the response of 1020 carbon steel tubes subjected to symmetric and unsymmetric cyclic bending with or without external pressure by using the endochronic theory. Experimental data of 1020 carbon steel tubes tested by Corona and Kyriakides (1991) were used for evaluating the theoretical simulation. Several cases were considered in this study, they were symmetric bending without external pressure, symmetric bending with external pressure, unsymmetric bending without external pressure, and unsymmetric bending with external pressure. The responses of the moment-curvature, ovalization-curvature and ovalization-number of cycles with or without external pressure were discussed. It has been shown that the theoretical simulations of the responses correlate well with the experimental data. | ||
| Key Words | ||
| endochronic theory; 1020 carbon steel tubes; unsymmetric cyclic bending; external pressure; moment; curvature, ovalization. | ||
| Address | ||
| Kuo-Long Lee; Department of Computer Application Engineering, Far East College Tainan, Taiwan, R.O.C. Chien-Min Hsu; Department of Art-Craft, Tung Fang Institute of Technology Kao Hsiung County, Taiwan, R.O.C. Chao-Yu Hung; Department of Mechanical Engineering, R.O.C. Military Academy, Kaohsiung, Taiwan, R.O.C. | ||