Fatigue Reliability Assessment of Steel Member Using Probabilistic Stress-Life Method

Title
Fatigue Reliability Assessment of Steel Member Using Probabilistic Stress-Life Method
Author(s)
김진호강대흥[강대흥]장창환[장창환]박연수[박연수]한석열[한석열]
Keywords
FRACTURE
Issue Date
201212
Publisher
HINDAWI PUBLISHING CORPORATION
Citation
ADVANCES IN MECHANICAL ENGINEERING
Abstract
The fatigue reliability of a steel member in a bridge is estimated by using the probabilistic stress-life method. The stress history of a member is defined as the loading block when a truck passes over a bridge, and the stress range frequency distribution of the stress history is obtained by a stress range frequency analysis. A probabilistic method is applied to the stress range frequency distribution, and the parameters of the probability distribution for the stress range frequency distribution are used in a numerical simulation. To obtain the probability of failure of a member under a loading block, Monte Carlo simulation is performed in conjunction with Miner's rule, the modified Miner's rule, and Haibach's rule for fatigue damage evaluation. Through these analyses procedures, we obtain an evaluation method for fatigue reliability that can predict the block number of the failure load and residual fatigue life.
URI
http://hdl.handle.net/YU.REPOSITORY/26703http://dx.doi.org/10.1155/2012/649215
ISSN
1687-8132
Appears in Collections:
공과대학 > 기계공학부 > Articles
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