High frequency site amplification evaluated from Borehole data in the Taipei Basin

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題名:	High frequency site amplification evaluated from Borehole data in the Taipei Basin
作者:	Huang,MW;Wang,JH;Hsieh,HH;Wen,KL
貢獻者:	地球物理研究所
關鍵詞:	STRONG GROUND MOTION;TAIWAN;EARTHQUAKE;VELOCITY;NETWORK;WAVES;SH
日期:	2009
上傳時間:	2010-06-29 18:40:24 (UTC+8)
出版者:	中央大學
摘要:	Based on the quarter-wavelength approximation, the frequency-dependent site amplifications, A(f ), at 18 free-field strong-motion stations in and near the Taipei Basin are evaluated from well-logging data. The V (30), which is the average of the S-wave velocities in the topmost 30 m, is a significant factor in classifying the sites. Results show that the site amplifications at all sites in study are larger than 1 and functions of frequency. Compared with the Haskell method, the quarter-wavelength approximation is almost an average and a good representation of overall amplifications. It is noted that the site amplifications evaluated in this study can apply only to frequencies greater than about 1.1 Hz for class C sites and 3.1 Hz for class D.
關聯:	JOURNAL OF SEISMOLOGY
顯示於類別:	[地球物理研究所] 期刊論文

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