Comparisons of Seismic Hazard Analysis Methods for Engineering Sites

SONG Jun; MIAO Huiquan; ZHONG Zilan; DING Yanqiong; ZHAO Mi; DU Xiuli

doi:10.3724/j.gyjzG23120204

Volume 54 Issue 2

Feb. 2024

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SONG Jun, MIAO Huiquan, ZHONG Zilan, DING Yanqiong, ZHAO Mi, DU Xiuli. Comparisons of Seismic Hazard Analysis Methods for Engineering Sites[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(2): 1-7. doi: 10.3724/j.gyjzG23120204

Citation:

SONG Jun, MIAO Huiquan, ZHONG Zilan, DING Yanqiong, ZHAO Mi, DU Xiuli. Comparisons of Seismic Hazard Analysis Methods for Engineering Sites[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(2): 1-7. doi: 10.3724/j.gyjzG23120204

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Comparisons of Seismic Hazard Analysis Methods for Engineering Sites

doi: 10.3724/j.gyjzG23120204

1. Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing 100124, China;
2. School of Civil Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China

Received Date: 2023-12-02
Available Online: 2024-04-23

Abstract

Abstract

In view of the existing various seismic hazard analysis methods, the seismic hazard analysis method based on historical seismic intensity data and the probabilistic seismic hazard analysis method to analyze the seismic hazards of the main urban area in Beijing was taken, and the peak ground acceleration with a probability of exceeding 10% in 50 years was obtained. The results showed that the peak ground acceleration of the main urban area in Beijing was of obvious spatial variability, which was gradually increasing from the west of the city to the east; the results obtained from those two methods were reliable and the differences were slight. The methods had their own characteristics, the former had fewer assumptions including site effects and was moderately difficult to calculate, but the application range was limited; the latter was integrated influences of various factors, with multiple assumptions and high computational complexity, but be widely used. Those two methods could provide reference to seismic hazard assessment.
- seismic hazard analysis,
- seismic intensity,
- peak ground acceleration,
- probability of exceedance,
- spatial variability

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References(22)

References

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