Research on Risk Assessment Methods of Earthquake Disasters in Grotto Temple:Taking the Yungang Grottoes as an Example
Earthquake disasters have a great impact on cultural heritage.In order to predict the impact of earthquake disasters on grotto temples,an earthquake disaster risk assessment model for grotto temples was established from four aspects:disaster-causing factors,disaster-pregnant environment,disaster-bearing bodies,and disaster prevention and mitigation capabilities.The evaluation index system,which consists of 23 factors such as peak ground motion acceleration and site category,was determined,and the Yungang Grottoes was taken as an example.The results showed that 44%of the caves in the Yungang Grottoes had higher earthquake risk,mainly concentrated in the western area,showing a trend of high in the west and low in the east as a whole,which was in good agreement with the actual results.It showed that the model could quantitatively evaluate the earthquake disaster risk of grotto temples,and provide scientific basis for the preventive conservation and earthquake prevention and disaster reduction managements of grotto tem-ples.
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