Abstract
In this paper, a fatigue reliability model integrated with stochastic stress concentration factor (SCF) is proposed based on the traditional S-N curve method in combination with the Miner's damage cumulative rule. Firstly, three probabilistic fatigue modelling methods, namely mean stress range method, integration method, and effective stress range method are briefed. Then, the proposed fatigue reliability model is formulated integrating with the probability distribution of hot spot stress range, and it is validated by conducting probabilistic fatigue life assessment of the suspension Tsing Ma Bridge (TMB) with use of the long Herrn strain measurement data from the structural health monitoring (SHM) system permanently installed on the bridge. Finally, the joint probability density function (PDF) of hot spot rainflow stress range as well as the failure probability and reliability index versus fatigue life are obtained.
| Original language | English |
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| Title of host publication | Advances in Environmental Vibration - Proceedings of the 5th International Symposium on Environmental Vibration, ISEV 2011 |
| Publisher | Science Press |
| Pages | 386-396 |
| Number of pages | 11 |
| ISBN (Electronic) | 9787030323736 |
| Publication status | Published - 1 Jan 2011 |
| Event | 5th International Symposium on Environmental Vibration, ISEV 2011 - Chengdu, China Duration: 20 Oct 2011 → 22 Oct 2011 |
Conference
| Conference | 5th International Symposium on Environmental Vibration, ISEV 2011 |
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| Country/Territory | China |
| City | Chengdu |
| Period | 20/10/11 → 22/10/11 |
Keywords
- Fatigue reliability
- Probability density function
- Stress concentration factor
- Structural health monitoring
ASJC Scopus subject areas
- Mechanics of Materials
- Visual Arts and Performing Arts
- Environmental Engineering
- Management, Monitoring, Policy and Law