Attenuation characteristics of ground motions in northern China |
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Authors: | Email author" target="_blank">Wong?Yuk?Lung?Email author Zhao?John?X Luo?Qifeng |
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Institution: | 1. Department of Civil and Structural Engineering, The Hong Kong Polytechnic University, Hung Hom,Kowloon, Hong Kong, China 2. Institute of Geological & Nuclear Sciences, PO. Box 30 368, Gracefield, Lower Hutt, New Zealand 3. Research Institute of Structural Engineering & Disaster Reduction, Tongji University, Siping Rd 1239,Shanghai 200092, China |
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Abstract: | Four recently developed attenuation models are calibrated by using a very limited amount of strong motion data recorded in
China. The research shows that the attenuation characteristics of the earthquake shaking in northern China are similar to
those in the western US. The supporting evidence includes Q factors, preliminary results of kappa values, stress drop, shear
wave velocity profile in the shallow earth crust, areas enclosed by the isoseismals of Modified Mercalli Intensity V. From
these comparisons of different attenuation models, it is recommended that the Crouse and McGuire spectral attenuation model
could possibly be used for northern China.
Funded by: The Hong Kong Polytechnic University, and partly supported by NSFC (Grant No.59678048) |
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Keywords: | Strong ground motions response spectra attenuation model western US northern China |
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