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Analytical study of the spectral-ana...

Bertel, Jeffrey D.

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Analytical study of the spectral-analysis-of-surface-waves method at complex geotechnical sites.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Analytical study of the spectral-analysis-of-surface-waves method at complex geotechnical sites./
作者:	Bertel, Jeffrey D.
面頁冊數:	226 p.
附註:	Adviser: Brent Rosenblad.
Contained By:	Masters Abstracts International46-02.
標題:	Geophysics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1448762
ISBN:	9780549263913

Analytical study of the spectral-analysis-of-surface-waves method at complex geotechnical sites.
Bertel, Jeffrey D.

Analytical study of the spectral-analysis-of-surface-waves method at complex geotechnical sites. - 226 p.

Adviser: Brent Rosenblad.

Thesis (M.S.)--University of Missouri - Columbia, 2006.

The Spectral-Analysis-of-Surface-Waves (SASW) method is an accepted means of measuring shear wave velocity (VS). In some settings, SASW measurements have produced results that were inconsistent with results from other methods of measurement. The effectiveness of the SASW methodology at complex geotechnical sites was investigated to identify site conditions where the SASW approach may produce erroneous results. Analytical simulations of surface wave measurements were performed. A traditional SASW methodology (global analysis), and a more rigorous approach (array analysis) were used to generate experimental dispersion curves. The effectiveness of these approaches was evaluated by comparing the experimental results to the true dispersion curve.

ISBN: 9780549263913Subjects--Topical Terms:

535228
Geophysics.

Analytical study of the spectral-analysis-of-surface-waves method at complex geotechnical sites.
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100 1 $a Bertel, Jeffrey D. $3 1264631
245 1 0 $a Analytical study of the spectral-analysis-of-surface-waves method at complex geotechnical sites.
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502 $a Thesis (M.S.)--University of Missouri - Columbia, 2006.
520 $a The Spectral-Analysis-of-Surface-Waves (SASW) method is an accepted means of measuring shear wave velocity (VS). In some settings, SASW measurements have produced results that were inconsistent with results from other methods of measurement. The effectiveness of the SASW methodology at complex geotechnical sites was investigated to identify site conditions where the SASW approach may produce erroneous results. Analytical simulations of surface wave measurements were performed. A traditional SASW methodology (global analysis), and a more rigorous approach (array analysis) were used to generate experimental dispersion curves. The effectiveness of these approaches was evaluated by comparing the experimental results to the true dispersion curve.
520 $a The global analysis yielded dispersion curves that tend to underestimate surface wave velocities at long wavelengths. The array approach worked well for both simple, gradually increasing VS profiles as well as for some complex profiles with large VS contrasts. In some cases both the global and array analysis produce an experimental dispersion curve that is not consistent with the theoretical dispersion curve, especially for soft-over-stiff profiles, a common profile encountered in the field. These results have implications for earthquake site response analysis.
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