A constitutive model developed for the simulation of the cyclic behaviour of interface elements is proposed. Its theoretical framework is fully based on the plasticity theory. Starting from an existing monotonic model, two new yield surfaces are introduced in order to include non-linear unloading/reloading behaviour in an accurate fashion. The motion of the unloading surfaces is controlled by a mixed hardening law and, by adopting appropriate evolution rules, it is possible to reproduce non-linear behaviour during unloading. Numerical results concerning the analysis of both uniaxial tests and masonry walls are presented and discussed as application and validation examples of the constitutive model.
Kong Kwong, Wah Hospital, Xiangyu Zou, Yunxiao Zhang, Y Liu, Lei Shi, D Kan, Wu Ouyang, L Chen, S Liu, Da Chen, Yuguang Ma, Chengqiang Cui, Q Zhang, W Lao, Congcong Huang, Heng Ban, Hai Lu, Yan Shi, Qi Si, Yan Ding, Zong Li, Haozhe Liu, Zengwu Shao, Yi Li, Siwei Song, Wang Jin, Y Liu, H Dong, X Liu High, Wang We, A Sharhan, Ershun Du, X Hu, Zhenhuan Zhou, Jian Lü, Yankun Tang, A Abdelrahman, M Ghannam, S Lotfy, Mohammad AlHamaydeh, Xiang Xiong, F Nkuichou, Tao Wang, M Ma, K Du Corrosion, Na Wang, Jianmin Hua, Xin Xue, Qiao Huang, Fei Wang, Han Huang, Liang Ren, Kun Chen, Xue Li, Lei Wang, Bing Yang, Minming Zhang, Wenjun Liu, Z Lei, Dongying Wang, Jiabin Wang, Liming Zhou, Xueming Shu, Cross-Sections Zhang, Leroy Gardner, C Buchanan, Dave Chan, Wei Sun, Y Wang, Xin Yang, Guo‐Qiang Li
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