RESEARCH ARTICLE


Component-level Performance-based Seismic Assessment and Design Approach for Concrete Moment Frames



Zhou Xinxian1, Han Xiaolei1, 2, *, Ji Jing1, 2, Qi Yongle3, Hang Chao4
1 School of Civil Engineering and Transportation, South China University of Technology, Guangzhou, Guangdong, 510640, P.R. China
2 State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou, Guangdong, 510640, P.R. China
3 Guangdong Electric Power Design Institute, Guangzhou, Guangdong, 510663, P.R. China
4 Genex Systems/Turner Fairbank Highway Research Center, McLean, VA, 22101, U.S


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Creative Commons License
©Xinxian et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution-Non-Commercial 4.0 International Public License (CC BY-NC 4.0) (https://creativecommons.org/licenses/by-nc/4.0/legalcode), which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the School of Civil Engineering and Transportation, South China University of Technology, Guangzhou, Guangdong, 510640, P.R. China; Tel: +86 13802945532; +86-020-87113349; E-mail: xlhan@scut.edu.cn


Abstract

To solve the conservatism of acceptance criteria in ASCE/SEI 41 provisions, a new concept of component performance is put forward and an alternative method based on the statistical distribution of component performance levels to evaluate structural performance level is proposed. Independent component performance levels are redefined in detail and component performance indicator limits are developed, which are different from acceptance criteria for integral target performance level of entire building proposed by ASCE standards. Structural components are classified into critical components and general components. The relationship between structural performance levels and the statistical distribution of component performance levels, including performance levels of critical components, general components and non-structural components, is proposed. A framework for applying this method will be discussed in detailand implemented to a seven-story moment frame. It is concluded that this new evaluation method is simple and meaningful for performance-based seismic assessment and design.

Keywords: Component-level, dynamic elasto-plastic analysis, performance-based, seismic assessment.