Damage Probability of Turbine Missile Impact
Publication: Journal of Structural Engineering
Volume 110, Issue 12
Abstract
AS part of probabilistic safety analysis, the risk of structural damage to critical components of a nuclear power power plant from accidentally generated turbine missiles has been evaluated. Perforation and scabbing modes of failure are considered for concrete walls, whereas perforation in case of steel barriers is identified as the only mode of failure. Available empirical formulas for assessing local damage are evaluated using turbine missile test data from the U.S. and elsewhere. The most applicable formulas are selected and uncertainties in their predictions are evaluated and incorporated in the assessment of damage probability. Monte Carlo technique and Advanced First Order Second Moment (AFOSM) method are used in evaluating damage probability. Simplified methods derived for the assessment of turbine missile damage probability are compared with Monte Carlo and AFOSM methods, and limitations of the simplified methods are investigated. Evaluation of damage probabilities of multiple barriers are also illustrated. Bounds on damage probabilities are given using normal and chi‐square distributions.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 110 • Issue 12 • December 1984
Pages: 2909 - 2923
Copyright
Copyright © 1984 ASCE.
History
Published online: Dec 1, 1984
Published in print: Dec 1984
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