Study on Abnormal High Intensity of Hanyuan during Wenchuan Earthquake Based on Resonance Effect

Wen Hao Qi; Jing Shan Bo; Ping Li

doi:10.4028/www.scientific.net/AMR.588-589.1899

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 588-589Study on Abnormal High Intensity of Hanyuan during...

Study on Abnormal High Intensity of Hanyuan during Wenchuan Earthquake Based on Resonance Effect

Abstract:

In order to find the reason why a rare distant-earthquakes abnormal high intensity occurred in Hanyuan county town during 2008 Wenchuan Earthquake of China, the earthquake damage was studied from resonance effect point of view. The seismic records of Wenchuan Earthquake in Hanyuan were collected, and their dominant periods were obtained from their Fourier spectra. Based on transfer function of 3 engineering geological boreholes surveyed in Hanyuan county town, the fundamental period of the sites the was calculated. The natural vibration periods of the structures there were estimated by the empirical formulas of natural period according to their structure type. It was found that the tree periods were close very much, and the resonance was prone to occur. The resonance effect was one of the main reasons which caused abnormal high intensity in Hanyuan county town.

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Periodical:

Advanced Materials Research (Volumes 588-589)

Pages:

1899-1902

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.588-589.1899

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Online since:

November 2012

Authors:

Wen Hao Qi, Jing Shan Bo, Ping Li

Keywords:

Abnormal High Intensity, Hanyuan County Town, Period, Resonance Effect, Wenchuan Earthquake

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