摘要
将一种全新的基于不确定条件下的理论引入到无砟轨道混凝土整体道床的检测和大修中.该理论以结构在剩余寿命周期内的费用最少为目标,利用费用函数的递推法来求整体道床的最优检测间隔和大修的临界值.最后根据Matlab建立计算模型,并结合具体算例分析恶化水平和最优检测间隔之间的关系,从算法上解决了整体道床检测和大修中的关键问题.
A new theory based on uncertainty was introduced into the inspection and overhauling of monolithic track-bed. In order to minimize the expenses in remaining life, the theory is used to seek optimal interval for inspection and critical value for overhauling with reeursion method. Finally, a model was established by using MATLAB and an example was computed to study the relationship between deterioration level and optimal interval. So the key problems of inspection and overhauling of monolithic track-bed were solved on arithmetic aspect.
出处
《同济大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2008年第11期1526-1530,共5页
Journal of Tongji University:Natural Science
基金
国家自然科学基金资助项目(50478111)
关键词
整体道床
恶化水平
不确定性条件
检测与大修
最优策略
monolithic track-bed
deterioration level
uncertainty
inspection and overhauling
optimal strategy
