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Hysteresis shear-slip model of PBL shear connectors under cyclic loading
https://orcid.org/0000-0002-4632-4954
https://orcid.org/0000-0002-8723-6205
https://orcid.org/0000-0002-2376-237X
This paper proposes a hysteresis model for the perfobond rib shear connector (known as a PBL shear connector) to decrease its mechanical behavior under cyclic loading. A total of 12 PBL shear connector specimens were designed with variable dimensions. The hysteresis curves of all specimens were obtained under cyclic displacement. On the basis of the results, a four-line skeleton curve is developed to reproduce the skeleton curve. Equations for calculating the featured shear resistances and slippages are then proposed, and energy-based cyclic deteriorations are adopted. Four types of deteriorations are specified: fundamental strength; post-peak strength; unloading stiffness; and accelerated reloading slip. Double friction-slip axes are developed to reproduce the pinching effect. According to a comparison of the calculated and tested results, the proposed model can reproduce the hysteresis model of PBL shear connectors under cyclic loading.
Hysteresis shear-slip model of PBL shear connectors under cyclic loading
https://orcid.org/0000-0002-4632-4954
https://orcid.org/0000-0002-8723-6205
https://orcid.org/0000-0002-2376-237X
This paper proposes a hysteresis model for the perfobond rib shear connector (known as a PBL shear connector) to decrease its mechanical behavior under cyclic loading. A total of 12 PBL shear connector specimens were designed with variable dimensions. The hysteresis curves of all specimens were obtained under cyclic displacement. On the basis of the results, a four-line skeleton curve is developed to reproduce the skeleton curve. Equations for calculating the featured shear resistances and slippages are then proposed, and energy-based cyclic deteriorations are adopted. Four types of deteriorations are specified: fundamental strength; post-peak strength; unloading stiffness; and accelerated reloading slip. Double friction-slip axes are developed to reproduce the pinching effect. According to a comparison of the calculated and tested results, the proposed model can reproduce the hysteresis model of PBL shear connectors under cyclic loading.
Hysteresis shear-slip model of PBL shear connectors under cyclic loading
https://orcid.org/0000-0002-4632-4954
https://orcid.org/0000-0002-8723-6205
https://orcid.org/0000-0002-2376-237X
This paper proposes a hysteresis model for the perfobond rib shear connector (known as a PBL shear connector) to decrease its mechanical behavior under cyclic loading. A total of 12 PBL shear connector specimens were designed with variable dimensions. The hysteresis curves of all specimens were obtained under cyclic displacement. On the basis of the results, a four-line skeleton curve is developed to reproduce the skeleton curve. Equations for calculating the featured shear resistances and slippages are then proposed, and energy-based cyclic deteriorations are adopted. Four types of deteriorations are specified: fundamental strength; post-peak strength; unloading stiffness; and accelerated reloading slip. Double friction-slip axes are developed to reproduce the pinching effect. According to a comparison of the calculated and tested results, the proposed model can reproduce the hysteresis model of PBL shear connectors under cyclic loading.
Hysteresis shear-slip model of PBL shear connectors under cyclic loading
Deng, Kailai (author) / Wang, Yuechen (author) / Zhu, Shengchun (author) / Zhao, Canhui (author) / Li, Zhixiang (author) / Yuan, Xing (author)
Advances in Structural Engineering ; 26 ; 2894-2908
2023-11-01
15 pages
Article (Journal)
Electronic Resource
English
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