Symptom-based reliability and lifetime prediction for latticed structures under atmospheric corrosion

被引：1
|
作者：
Xiao, Nan [1 ]
Wang, Hai [1 ]
Chen, Hua-Peng [2 ]
Zhang, Fei-Lin [3 ]
机构：
[1] College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China
[2] Department of Civil Engineering, University of Greenwich, Chatham Maritime, Kent, ME4 4TB, United Kingdom
[3] Civil Aviation New era Airport Design and Research Institute Co., Ltd, Shanghai 200131, China
来源：
Zhejiang Daxue Xuebao (Gongxue Ban)/Journal of Zhejiang University (Engineering Science) | 2013年 / 47卷 / 08期
关键词：
In order to determine the performance deterioration of latticed structures subjected to steel corrosion under atmospheric exposure; symptom-based reliability method employing stress evolutions of structural members as a primary symptom was presented; where the practical steel corroding process was replaced by the model gained from long term experimental results of steel exposed in corrosive environment. The Weibull model curve; fitted by the stress-time curve of the controlling member with its wall thickness decreasing constantly; was employed for symptom-based reliability analysis and lifetime prediction of latticed structures. Considering the discrepancy between symptom data from the practical health monitoring and those from the analytical results; the predictions of symptom-based reliability analysis were updated. The results from a case study show that the structural reliability and remaining useful lifetime drcrease year by year; based on the design reference under the consideration of the performance deterioration due to the single cause for damage. This conclusion grees with those published in previous papers;
D O I：
10.3785/j.issn.1008-973X.2013.08.008
中图分类号：
学科分类号：
摘要：
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页码：1373 / 1378
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