Modeling, synthetics and engineering applications of strong earthquake wave motion |
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| Authors: | Masanobu Shinozuka George Deodatis Ruichong Zhang Apostolos S Papageorgiou |
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| Institution: | a Department of Civil Engineering, University of Southern California, Los Angeles, CA90089-2531, USA;b Department of Civil Engineering and Operations Research, Princeton University, Princeton, NJ 08544, USA;c Division of Engineering, Colorado School of Mines, Golden, CO 80401, USA;d Department of Civil and Environmental Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180-3590, USA |
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| Abstract: | State of the art in modeling, synthetics, statistical estimation, and engineering applications of strong ground motion is reported in this paper. In particular, models for earthquake wave motion are presented, in which uncertainties both in the earth medium and the seismic source are taken into consideration. These models can be used to synthesize realistic strong earthquake ground motion, specifically near-field ground motion which is quite often not well recorded in real earthquakes. Statistical estimation techniques are also presented so that the characteristics of spatially-correlated earthquake motion can be captured and consequently used in investigating the seismic response of such large scale structures as pipelines and long-span bridges. Finally, applications of synthesized strong ground motion in a variety of engineering fields are provided. Numerical examples are shown for illustration. |
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| Keywords: | Seismic source mechanism Earthquake wave motion model Synthetics of earthquake motion Non-homogeneous medium Discrete wave number method Statistical estimation Loma prieta earthquake Near-field ground motion |
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