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Evaluation of the Hualien Quarter Scale Model Seismic Experiment: Response of the Model to Seismic Events (NUREG/CR-6584, Volme 4)

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Publication Information

Manuscript Completed: October 2000
Date Published: March 2001

Prepared by:
C. A. Miller, C. J. Costantino

City College of New York
Earthquake Research Center
Department of Civil Engineering
New York, NY 10031

H. L. Graves, NRC Project Manager

Prepared for:
Division of Engineering Technology
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

NRC Job Code W6769

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Abstract

This report is the fourth volume of a four volume set describing the work performed in evaluating the results obtained from the Hualien quarter scale model seismic experiments. The results discussed in this volume relate to the response of the structure to the seismic events recorded at the site.

Data has been collected for a series of earthquakes which have occurred at the Hualien site over the past several years. Most of these events have resulted in peak ground accelerations recorded at the site which are somewhat less that 0.1 g. Accelerograms have been collected throughout the model structure and in the free field. Downhole instrumentation is in place for depths up to 170'. This report discusses results for two earthquakes.

The measured data were studied to evaluate the structural system characteristics. The measured downhole free field accelerations were compared with predicted accelerations using vertically propagating shear wave theory as contained in the CARES code. The agreement was fairly good. The CARES computer code was also used to predict the motion of the model. These predictions did not agree very well with the measured results. The major cause of the disagreement is attributed to the anisotropic characteristics of the site.

The volumes contained in this report ("Evaluation of the Hualien Quarter Scale Model Seismic Experiment") are:

Vol. 1 Description of Experiment and Summary of Results

Vol. 2 Geotechnical Site Characterization Review

Vol. 3 Results of the Forced Vibration Tests

Vol. 4 Response of the Model to Seismic Events

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