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Application of consequence-based design criteria in regions of moderate seismicity

  • Hu YuxianEmail author
Article
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Abstract

Current design criteria and principles of earthquake engineering design are reviewed, including safety factors, probabilistic approach, and two-level and multi-level functional design ideas. The modern multi-functional idea is discussed in greater details. When designing a structure, its resistance to and the intensity of the earthquake action are considered. The consequence of failure of the structure is considered only through a rough and empirical factor of importance, ranging usually from 1.0 to 1.5. This paper suggests a method of “consequence-based design,” which considers the consequences of malfunctioning instead of simply an importance factor. The main argument for this method is that damage to a structure located in different types of societies may have very different consequences, which are dependant on its value and usefulness to the society and the seismicity in the region.

Keywords

consequence-based design performance-based design displacement-based design seismic design criteria 

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Copyright information

© Institute of Engineering Mechanics, China Earthquake Administration 2003

Authors and Affiliations

  1. 1.Institute of GeophysicsChina Seismological BureauBeijingChina

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