Title: A Statistical Approach to the Analysis of Fatigue Failure of Prestressed Concrete Beams
Author(s): William J. Venuti
Publication: Journal Proceedings
Appears on pages(s): 1375-1394
Keywords: beam, cyclic loading, fatigue life, failure, prestressed concrete, regression analysis, research, ultimate strength
In this research, an investigation was made of the effect of repeated loading on the variability of fatigue life of 90 pretensioned concrete beams. A regression analysis of the fatigue data led to a linear relationship between the variables of N,, predicted fatigue life, and R, load level. This equation was used to develop a relationship between N,, R, and P, probability of fatigue failure, expressed in the form of the cumulative normal distribution function.