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Structural response to spatially var...

Heredia-Zavoni, Ernesto.

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Structural response to spatially varying earthquake ground motion.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Structural response to spatially varying earthquake ground motion./
作者:	Heredia-Zavoni, Ernesto.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 1993,
面頁冊數:	195 p.
附註:	Source: Dissertations Abstracts International, Volume: 55-04, Section: B.
Contained By:	Dissertations Abstracts International55-04B.
標題:	Civil engineering. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9328087
ISBN:	9781392787052

Structural response to spatially varying earthquake ground motion.
Heredia-Zavoni, Ernesto.

Structural response to spatially varying earthquake ground motion. - Ann Arbor : ProQuest Dissertations & Theses, 1993 - 195 p.

Source: Dissertations Abstracts International, Volume: 55-04, Section: B.

Thesis (Ph.D.)--Princeton University, 1993.

This item must not be added to any third party search indexes.

This dissertation is concerned with the generation of correlated space-time ground motions, the formulation of response analysis methodologies, and the study of the effects of spatial variation of ground motion on structural response. A methodology is presented for conditional simulation of spatially-correlated earthquake ground motion. Frequency-dependent spatial components of ground motion are generated using linear prediction estimators. The method's advantage over Kriging techniques is that it correctly reproduces the specified space-time covariance structure of the ground motion. Conditional simulations are used in a time history response analysis of multi-support systems to study the influence of spatial correlation and frequency content of ground motion on the structural response of a two-span continuous beam. A random vibration methodology is formulated for the seismic response analysis of linear multi-support systems. It reduces the response analysis to that of a series of one-degree systems in a way that fully accounts for the multiple support input. It is shown that the dynamic response covariance can be expressed in terms of various spectral parameters associated with the one-degree system responses. This methodology is used to study the effect of local soil conditions, wave propagation, and incoherence on multi-support system response. The relative importance of the pseudo-static and dynamic response components is also evaluated. The validity of such common assumptions as full coherency and statistical independence of multiple input ground motions is analysed.

ISBN: 9781392787052Subjects--Topical Terms:

860360
Civil engineering.

Structural response to spatially varying earthquake ground motion.
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520 $a This dissertation is concerned with the generation of correlated space-time ground motions, the formulation of response analysis methodologies, and the study of the effects of spatial variation of ground motion on structural response. A methodology is presented for conditional simulation of spatially-correlated earthquake ground motion. Frequency-dependent spatial components of ground motion are generated using linear prediction estimators. The method's advantage over Kriging techniques is that it correctly reproduces the specified space-time covariance structure of the ground motion. Conditional simulations are used in a time history response analysis of multi-support systems to study the influence of spatial correlation and frequency content of ground motion on the structural response of a two-span continuous beam. A random vibration methodology is formulated for the seismic response analysis of linear multi-support systems. It reduces the response analysis to that of a series of one-degree systems in a way that fully accounts for the multiple support input. It is shown that the dynamic response covariance can be expressed in terms of various spectral parameters associated with the one-degree system responses. This methodology is used to study the effect of local soil conditions, wave propagation, and incoherence on multi-support system response. The relative importance of the pseudo-static and dynamic response components is also evaluated. The validity of such common assumptions as full coherency and statistical independence of multiple input ground motions is analysed.
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