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Economic Seismic Loss Assessment

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Abstract

Economic seismic loss is one of the most important indices that quantify the seismic resilience of a structural system. This chapter provides further insight into the potential of SMA-based self-centring frames for reducing the economic seismic losses. The assessment is conducted based on three prototype steel building frames, namely, conventional moment resisting frame (MRF), buckling-restrained braced frame (BRB frame) and SMA-based self-centring braced frame. The rationale behind the seismic loss assessment framework is explained, and the FEMA P-58 methodology, a procedure which is now widely adopted in the community of seismic engineers, is particularly elaborated. The basic principles of incremental dynamic analysis (IDA) and fragility analysis are also clarified. Based on the existing methodology, the seismic losses of the three types of structures under different levels of earthquakes are obtained, and factors that affect the seismic loss performance are discussed. The assessment can offer more quantitative and rational seismic loss predictions for decision makers, especially in the feasibility analysis stage of construction projects.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.Tongji UniversityShanghaiChina

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