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  4. Vol 9, Issue 3, 2024

Research Status and Challenges of Restoring Force Models for Reinforced Concrete Components

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DOI: 10.23977/jemm.2024.090308 | Downloads: 7 | Views: 101

Author(s)

Haibing Liu 1,2, Jinlong Liu 1,2, Junqi Lin 1,2

Affiliation(s)

1 Institute of Engineering Mechanics, China Earthquake Administration, Harbin, 150080, China
2 Key Laboratory of Earthquake Engineering and Engineering Vibration, China Earthquake Administration, Harbin, 150080, China

Corresponding Author

Junqi Lin

ABSTRACT

The resilience model is an important tool for studying the seismic performance of reinforced concrete components. It describes the force-displacement relationship of components under external forces, reflecting the hysteretic behavior and energy dissipation characteristics, and providing a theoretical basis for seismic performance assessment. Based on existing literature, this paper systematically reviews the current research status of resilience models, analyzes key influencing factors such as material nonlinearity, geometric parameters, and loading paths, and discusses the main challenges in model research, including insufficient universality, complexity in characterizing nonlinear behavior, and lack of high-precision experimental data. To address these challenges, this paper proposes future research directions, emphasizing the improvement of model universality, the combination of experiments and numerical simulations to enhance model validation, and the further optimization of model efficiency and accuracy through multidisciplinary integration. The research results show that existing models have good applicability in describing simple conditions, but their performance in complex conditions is still limited. In the future, the practical value of resilience models in engineering seismic design needs to be enhanced through the coordinated development of theory and technology.

KEYWORDS

Reinforced concrete components; restoring force model; current situation; challenges

CITE THIS PAPER

Haibing Liu, Jinlong Liu, Junqi Lin, Research Status and Challenges of Restoring Force Models for Reinforced Concrete Components. Journal of Engineering Mechanics and Machinery (2024) Vol. 9: 66-72. DOI: http://dx.doi.org/10.23977/jemm.2024.090308.

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