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Site response and attenuation analys...

Zhang, Fangyin.

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Site response and attenuation analyses using strong motion and short-period data.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Site response and attenuation analyses using strong motion and short-period data./
作者:	Zhang, Fangyin.
面頁冊數:	277 p.
附註:	Source: Dissertation Abstracts International, Volume: 65-08, Section: B, page: 3919.
Contained By:	Dissertation Abstracts International65-08B.
標題:	Geophysics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3141339
ISBN:	0496884711

Site response and attenuation analyses using strong motion and short-period data.
Zhang, Fangyin.

Site response and attenuation analyses using strong motion and short-period data. - 277 p.

Source: Dissertation Abstracts International, Volume: 65-08, Section: B, page: 3919.

Thesis (Ph.D.)--State University of New York at Buffalo, 2004.

Site amplification and seismic attenuation are analyzed in this study using strong ground motion records and short period records.

ISBN: 0496884711Subjects--Topical Terms:

535228
Geophysics.

Site response and attenuation analyses using strong motion and short-period data.
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100 1 $a Zhang, Fangyin. $3 1929146
245 1 0 $a Site response and attenuation analyses using strong motion and short-period data.
300 $a 277 p.
500 $a Source: Dissertation Abstracts International, Volume: 65-08, Section: B, page: 3919.
500 $a Adviser: Apostolos S. Papageorgiou.
502 $a Thesis (Ph.D.)--State University of New York at Buffalo, 2004.
520 $a Site amplification and seismic attenuation are analyzed in this study using strong ground motion records and short period records.
520 $a Site amplification factors at instrumented free-field sites are inferred from recorded motions using: (1) Generalized Inversion of S-waves; (2) the H/V method (i.e., the ratio of the spectral amplitudes of the horizontal and vertical components of motion); (3) Coda-wave Inversion; (4) the Standard Spectral Ratio method; and (5) the Coda Normalization method. The site amplification factors inferred from the above methods are compared to each other. The amplification factors obtained from the Generalized Inversion are validated by the other four methods. The correlation of site amplification to site condition is also analyzed and the results demonstrate that site amplification appears to be stronger for the geologically younger (and thus softer) sediments, and the site classification in conformance with UBC provisions provides smaller scatter than the classification based on geological formation. The site amplification factors for the different site classes of the NEHRP classification (i.e., site class C, D and E), which is important for engineering application, are provided and compared with the values proposed by Borcherdt (1994) and adopted in the 1997 UBC and 2003 IBC design codes. The agreement between the site amplification obtained in this study and those proposed by Borcherdt (1994) and adopted by the design codes is good. The nonlinearity of site amplification, resulting from the intensity of ground motion, is clearly identified at selected station where this is feasible.
520 $a The intrinsic and scattering attenuation are analyzed at stations SML and TYC using the Multiple Lapse Time Window (MLTW) method. The total attenuation is derived from the intrinsic and scattering attenuation. The coda attenuation is analyzed for 14 stations from coda decay curves using linear regression. The S-wave attenuation is analyzed using the coda normalization method at the stations SML and TYC. The coda attenuation estimated from the coda decay curves is close to the intrinsic attenuation. The intrinsic attenuation is the dominant component in the total attenuation. The total attenuation, estimated using the MLTW method, closely agrees with the results from the Coda Normalization Method. The scattering coefficient is estimated to be 3--8 x 10 -3km-1, consistent with estimates of this parameter for other tectonically active regions (see figure 3.10 in Sato and Fehler, 1998).
520 $a The data sets used in this study are collected from a strong motion network and a short period network in Taiwan province, China. The strong motion data set contains: (1) 2751 motions recorded at 407 stations from 33 aftershocks ranging from ML = 4.11--6.80 and depths from 1.05km to 21.28km, following 1999 Chi-Chi earthquake; and (2) 410 motions recorded at 410 stations from the main event of 1999 Chi-Chi earthquake. The short period data set contains 5499 records recorded by 71 stations instrumented with the Teledyne S-13 seismometers. The 108 events have a magnitude ranging from ML = 2.90--4.97, and depths from 2.21km to 30.82km; these events occurred over a period of time from 2000 to 2003.
590 $a School code: 0656.
650 4 $a Geophysics. $3 535228
650 4 $a Engineering, Civil. $3 783781
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710 2 0 $a State University of New York at Buffalo. $3 1017814
773 0 $t Dissertation Abstracts International $g 65-08B.
790 1 0 $a Papageorgiou, Apostolos S., $e advisor
790 $a 0656
791 $a Ph.D.
792 $a 2004
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3141339