[1]WANG Jue,CHENG Yu,AN Xiaowen,et al.Seismic Fortification Level of Buildings Subjected to the Rare Earthquake in Middle- and Low-intensity Zones in China[J].Journal of Seismological Research,2023,46(03):415-421.[doi:10.20015/j.cnki.ISSN1000-0666.2023.0046]
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Seismic Fortification Level of Buildings Subjected to the Rare Earthquake in Middle- and Low-intensity Zones in China
Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume:
46
Number of periods:
2023 03
Page number:
415-421
Column:
Public date:
2023-09-01
- Title:
- Seismic Fortification Level of Buildings Subjected to the Rare Earthquake in Middle- and Low-intensity Zones in China
- Keywords:
- aseismic design; seismic fortification level; PGA; seismic yield acceleration; middle- and low-intensity zones; the rare earthquake
- CLC:
- P315.91
- DOI:
- 10.20015/j.cnki.ISSN1000-0666.2023.0046
- Abstract:
- The Probabilistic Seismic Hazard Analysis(PSHA)is used to compute the peak acceleration of earthquakes with a probability of more than 3% and 2% in 50 years for 28 large- and medium-sized cities of China in the middle- and low-intensity zones,which are situated in the main earthquake monitoring and preparedness areas.At the middle- and low-intensity locations,quantitative statistics from PSHA method are supplied to compare the impact of various seismic fortification levels.The seismic yield acceleration is then utilized as a measure to assess the seismic performance of the related building structures in the intermediate- and low-intensity zones hit by the earthquakes with exceeding probabilities of 3% and 2% in 50 years,respectively.According to the research results,the seismic design code should standardize the seismic fortification level of the rare earthquake at the middle- and low-intensity locations to a 2% exceeding probability in 50 years.
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Last Update:
2023-06-25