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Stiffness and Damping Properties of a Low Aspect Ratio Shear Wall Building Based on Recorded Earthquake Responses

Hashimoto, P. S. and Tiong, L. W. and Steele, L. K. and Johnson, J. J. and Beck, J. L. (1993) Stiffness and Damping Properties of a Low Aspect Ratio Shear Wall Building Based on Recorded Earthquake Responses. Report NUREG, CR-601. U. S. Nuclear Regulatory Commission , Wasington, D.C.. http://resolver.caltech.edu/CaltechAUTHORS:20120926-110043176

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Abstract

An investigation into the structural properties and seismic responses of a low aspect ratio shear wall building, which has construction similarity to typical nuclear plant structures, has been performed using actual recorded earthquake motions. This effort used a combination of modal identification to obtain structure modal parameters directly from the recorded motions, and elastic structural analysis using methods and criteria frequently employed by the nuclear industry. Modal parameters determined by modal identification provide excellent fits to the building motions recorded during the 1984 Morgan Hill earthquake. Modal parameters identified for the 1989 Lorna Prieta earthquake are more uncertain. Investigation of building stiffnesses generally confirms the adequacy of bounding estimates currently recommended for nuclear plant structure seismic analysis. Damping values identified for this building supplement the database being compiled to investigate current nuclear plant structure damping criteria.


Item Type:Report or Paper (Technical Report)
Additional Information:Manuscript Completed: February 1993 Date Published: March 1993
Subject Keywords:Structure stiffness, structure damping, seismic analysis, nuclear power plant structures, earthquake response, modal identification, shear wall buildings
Record Number:CaltechAUTHORS:20120926-110043176
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20120926-110043176
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:34446
Collection:CaltechAUTHORS
Deposited By: Carmen Nemer-Sirois
Deposited On:06 Nov 2012 18:57
Last Modified:27 Dec 2012 02:44

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