Time Variant Reliability Analysis Using Bivariate Diffusive Crack Growth Models

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by J. Nienstedt, Univ of Innsbruck, Austria,
A. Tsurui, Univ of Innsbruck, Austria,
H. Tanaka, Univ of Innsbruck, Austria,
G. I. Schuëller, Univ of Innsbruck, Austria,

Document Type: Proceeding Paper

Part of: Probabilistic Methods in Civil Engineering:

Abstract: This paper is concerned with the development of a time-dependent reliability concept. The time variant load carrying capacity, i.e., resistance, of a structure caused by fatigue is expressed by a bivariate diffusive crack growth model. This model allows one to consider different failure criteria. Furthermore, a sensitivity study is performed to indicate the influence of the statistical characteristics of the various variables involved on the reliability of a structure.

Subject Headings: Failure analysis | Cracking | Structural analysis | Load bearing capacity | Material failures | Time dependence | Load factors |

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