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PROCEEDINGS OF JAPAN EARTHQUAKE ENGINEERING SYMPOSIUM
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W.D. Liam FINN, M. YOGENDRAKUMAR, N. YOSHIDA, H. YOSHIDA
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VERIFICATION OF DYNAMIC SOIL STRUCTURE INTERACTION ANALYSIS
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The paper describes a centrifuge test in which a heavy structure simulating a nuclear containment structure was embedded to about one-third of its height in a dry sand foundation and subjected to simulated earthquake motions. Accelerations were measured at several points in the foundation soil and both horizontal and vertical accelerations were measured on the structure itself. The structure was analyzed for the specified input motions using the non-linear dynamic analysis program TARA-3. A comparison between measured and computed responses shows that the non-linear program gives very good estimates of both horizontal and vertical accelerations and passes all the frequencies of interest, including translational and rocking frequencies, from the foundation into the structure.
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