Abstract
This paper discusses the relation between two-step seismic design and the standard of probability of exceedance, and the relation of three-levels seismic ground motion parameters given by probability method and comprehensive probability method. The relative size relations of the ground motions with 2%, 10%, 63% probability of exceedance in 50 years, namely “large earthquake”, “moderate earthquake”, and “small earthquake”, are discussed through a practical example of seismic hazard analysis. The methods to determine seismic fortification criterion are discussed.
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Foundation item: Shanghai Science and Technology Development Foundation (022512065) and Shanghai Construction Technology Development Foundation (A0206101).
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Shen, Jw., Shi, Sz. Large, moderate, small earthquakes and seismic fortification criterion. Acta Seimol. Sin. 17, 589–595 (2004). https://doi.org/10.1007/s11589-004-0042-0
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DOI: https://doi.org/10.1007/s11589-004-0042-0
Key words
- Seismic safety evaluation
- seismic fortification criterion
- earthquake resistance and disaster mitigation