A New Model for Fatigue Life Distribution of Concrete


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Based on the S-N relationship and statistical property of concrete static strength, a function of fatigue life of concrete,1 (a − blog N) , is found to follow the normal distribution. Thus a new probabilistic model of fatigue life distribution of concrete is presented in this paper. The model connects statistical properties of static strength and fatigue life of concrete together in theory, so it is of clear physical meaning. An experiment was conducted. The experiment was a part of the project of The State Natural Science Foundation—Failure Criterion of Plain Concrete Under Multiaxial Fatigue Loading. 2 χ -test and Kolmogorov-Smirnov test are employed to test the proposed model. Fuzzy optimization is used to compare the model with lognormal distribution. 2 χ -test, Kolmogorov-Smirnov test and fuzzy optimization are also conducted for test data from references. The results show that the new model is more flexible to fit test data.



Key Engineering Materials (Volumes 348-349)

Edited by:

J. Alfaiate, M.H. Aliabadi, M. Guagliano and L. Susmel




D. F. Zhao et al., "A New Model for Fatigue Life Distribution of Concrete", Key Engineering Materials, Vols. 348-349, pp. 201-204, 2007

Online since:

September 2007




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DOI: 10.2307/1268076

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[9] 0=S Stress level.

[85] 0=S Stress level.

[85] 0=S Stress level.

[75] 0=S 2 χ 2 1, 05. 0χ.


[5] 991.


[5] 991.

[2] 983.

[3] 841.

[1] 269.

[3] 841 D nD , 05. 0.








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