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Journal of Earthquake Engineering Volume 23, 2019 - Issue 9
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Original Articles

Modeling of Behavior of Continuous Energy-Dissipative Steel Columns Under Cyclic Loads

Yan-Wen LIDepartment of Structural Engineering, Tongji University, ShanghaiChinaView further author information
,
Guo-qiang LIDepartment of Structural Engineering, Tongji University, ShanghaiChina;State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, ShanghaiChinaView further author information
,
Jian JIANGEngineering Laboratory, National Institute of Standards and Technology, MDUSAView further author information
&
Fei-Fei SUNDepartment of Structural Engineering, Tongji University, ShanghaiChina;State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, ShanghaiChinaCorrespondence[email protected]
View further author information
Pages 1560-1583 | Received 06 Jul 2017, Accepted 14 Aug 2017, Published online: 28 Dec 2017
 
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ABSTRACT

This paper presents analytical and numerical models of cyclic behavior of a novel continuous energy-dissipative column (CEDC) system. It consists of two steel columns connected by replaceable steel strip dampers (RSSDs). The CEDC system is designed to realize the function of energy dissipation, lateral resistance, and mitigating inter-story drift concentration. The formulas to determine the elastic stiffness, yield, and ultimate capacity of the CEDC system are derived based on continuous medium method. A simplified model of hysteretic behavior of the CEDC system is proposed and validated with experimental results.

Funding

The work presented in this paper was supported by the National Key Research and Development Program of China with grant 2017YFC0703607.

Additional information

Funding

The work presented in this paper was supported by the National Key Research and Development Program of China with grant 2017YFC0703607.

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