V_s DETERMlNATION FROM STEADY STATE RAYLEIGH WAVE METHOD
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概要
- 論文の詳細を見る
An improved version of steady state Rayleigh wave method is presented for the determination of shear wave velocity (V_s) Profiles of a horizontally stratified soil deposit. A dispersion curve and particle orbits of Rayleigh waves can readily be determined in the field through measurements of ground motions induced by an exciter using sensors placed on the ground surface. To determine V_s-profile from the dispersion curve, an inverse analysis which can take into account higher modes of Rayleigh waves is presented and used. To increase the effectiveness of the proposed method, desirable distances among the exciter and sensors are indicated, and the measured particle orbits are used to validate the inverted V_s-profile. Comparative field tests are made at two sites using the proposed method and the conventional down hole method. The V_s-profiles from the two methods are in good agreement with each other, indicating the effectiveness of the proposed method.
- 社団法人地盤工学会の論文
- 1991-06-15
著者
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時松 孝次
Tokyo Institute of Technology
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桑山 晋一
Tokyo Institute Of Technology : Research Engineer Takechi Engineering Co. Ltd.
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田村 修次
Tokyo Institute of Technology
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宮寺 泰生
Tokyo Institute of Technology
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宮寺 泰生
東京工業大学工学部建築学科
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