Probability of Structural Failure Under Random Loadingby Masanobu Shinozuka,
Serial Information: Journal of the Engineering Mechanics Division, 1964, Vol. 90, Issue 5, Pg. 147-170
Document Type: Journal Paper
Abstract: Upper and lower bounds are derived for the probability that a nonstationary process, not necessarily of white noise type, will cross given barriers in a specified time interval. As an example, the probability of failure of a structure with mechanical response represented by a damped oscillator of one degree of freedom, as a result of a nonstationary Gaussian input, is evaluated under the condition that the structure will fail if the absolute value of the displacement exceeds a critical value. Numerical results suggest that the present method estimates the probability in a narrow interval over a sufficiently wide range of probability values so that the method might be useful in reliability analysis. Applications to structures subject to earthquake accelerations are suggested.
Subject Headings: Failure analysis | Structural failures | Numerical methods | Failure loads | Stationary processes | Noise pollution | Highway barriers
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