Time variant reliability analysis and the optimum maintenance strategy of deteriorating structures
Under the effects of loads, environments and interior factors of materials, the performance of civil engineering structures will deteriorate gradually.Appropriate health monitoring and damage detection is of great significance to ensure the structural safety and reliability.A time variant structural reliability model based on degradation rule is proposed in this paper.In the reliability model, the deterioration process is modeled as a gamma process, and the stochastic process of load is described by a Poisson process.On this basis, a total life cycle cost model of the structure including inspection costs, maintenance costs and failure loss is established based on which the total cost is minimized through proper maintenance strategy.The time variant reliability model and total life cycle cost model are validated through an example of a dike section.
Time variant reliability Life cycle cost Optimum maintenance strategy
Xiaoxu Huang Jianqiao Chen
Department of Mechanics,Huazhong University of Science & Technology,430074,Wuhan,China
国际会议
黄山
英文
1-6
2012-06-18（万方平台首次上网日期，不代表论文的发表时间）