Effect of near-fault earthquakes on North American nuclear design spectra

Ground motion records from recent earthquakes show that near-fault ground motions are different from far-field ground motions in that they often contain strong coherent dynamic long period pulses and permanent ground displacements. The objective of the current study is to assess the safety implicati...

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Published in:Nuclear engineering and design 2006-09, Vol.236 (18), p.1928-1936
Main Authors: Galal, K., Ghobarah, A.
Format: Article
Language:English
Subjects:
Applied sciences
Controled nuclear fusion plants
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fission nuclear power plants
Fuels
Installations for energy generation and conversion: thermal and electrical energy
Nuclear fuels
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container_end_page 1936
container_issue 18
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container_title Nuclear engineering and design
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creator Galal, K.
Ghobarah, A.
description Ground motion records from recent earthquakes show that near-fault ground motions are different from far-field ground motions in that they often contain strong coherent dynamic long period pulses and permanent ground displacements. The objective of the current study is to assess the safety implications of near-fault earthquakes (NFE) on nuclear power plant structures designed according to North American codes. Fifty-four fault-normal near-fault records in the forward directivity were selected for this investigation. Spectral comparison of the selected earthquake records with the US and Canadian design spectra was conducted. From the investigation it was concluded that the current nuclear design spectra may need to be adjusted to better reflect the effect of near-fault earthquake ground motions.
doi_str_mv 10.1016/j.nucengdes.2006.02.002
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source ScienceDirect Journals
subjects Applied sciences
Controled nuclear fusion plants
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fission nuclear power plants
Fuels
Installations for energy generation and conversion: thermal and electrical energy
Nuclear fuels
title Effect of near-fault earthquakes on North American nuclear design spectra
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