Engineering Characterization of Ground Motion: Task II: Summary Report (NUREG/CR-3805, Volume 5)
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Manuscript Completed: June 1986
Date Published: August 1986
M.S. Power, C.-Y. Chang, I.M. Idriss, Woodward-Clyde Consultants
R.P. Kennedy, Structural Mechanics Associates, Inc.
Walnut Creek, CA 94596
Structural Mechanics Associates, Inc.
Newport Beach, CA 92660
NRC Job Code B6680
Office of Nuclear Regulatory Research
This report presents the results of part of a two-task study on the engineering characterization of earthquake ground motion for a nuclear power plant design. Task I of the study, which is presented in NUREG/CR-3805, Vol. I, developed a basis for selecting design response spectra taking into account the characteristics of freefield ground motion found to be significant in causing structural damage. Task II incorporates additional considerations of effects of spatial variations of ground motion and soil-structure interaction on foundation motions and structural response. The results of Task II are presented in four Darts: (1) effects of ground motion characteristics on structural response of a typical PWR reactor building with localized nonlinearities and soil-structure interaction effects; (2) observational data on spatial variations of earthquake ground motion; (3) soil-structure interaction effects on structural response; and (4) summary based on Tasks I and II studies. This report presents the results of the fourth part of Task II.