桥梁全寿命设计方法框架性研究

邵旭东　 彭建新　 晏班夫　

摘　要：分析了目前桥梁设计方法存在的问题,在寿命周期成本分析的基础上,提出了一种新的基于桥梁性能的桥梁全寿命设计方法和思路,即在满足桥梁服务水平的前提下,以桥梁寿命周期成本最小为优化目标对设计方案进行评估.研究了桥梁寿命周期成本的组成,并以此建立混合寿命周期成本优化模型,通过优化分析,得到最优的桥梁设计方案.通过算例研究,验证了该方法的有效性.该方法的实现不仅能保证桥梁提供长期稳定的服务水平,而且能起到控制长期投资、减小对社会不利影响的目的.
关键词：寿命性能;全寿命设计;寿命周期成本分析方法;服务水平
分类号：U442 　文献标识码：A
文章编号：0451-0712(2006)01-0044-05

Framework Research on Design Method for Bridge Life Cycle

SHAO Xu-dong　 PENG Jian-xin　 YAN Ban-fu　



作者单位：邵旭东（湖南大学桥梁工程研究所,长沙市,410082）　
　　　　　彭建新（湖南大学桥梁工程研究所,长沙市,410082）　
　　　　　晏班夫（湖南大学桥梁工程研究所,长沙市,410082）　

参考文献：

[1]Officer Asset Management,Department of Transportation,FHWA.Life-Cycle Cost Analysis Primer[R].2002.
[2]Kong J S,Frangopol D M.Prediction of reliability and cost of deteriorating bridges under time-and performance-controlled maintenance [J].J.of Str.Eng.,ASCE,2004,130(12).
[3]Hassanain M A,Loov R E.Cost optimization of concrete bridge infrastructure[J].Canadian Journal of Civil Engineering,2003,30.
[4]Liu C,Hammad A,Itoh Y.Multiobjective optimization of bridge deck rehabilitation using a genetic algorithm [J].Computer-aided Civil and Infrastructure Engineering,1997,12.
[5]Miyamoto A,Kawamura K,Nakamura H.Bridge management system and maintenance optimization for existing bridge [J].Computer-aided Civil and Infrastructure Engineering,2000,15.
[6]Lee Y J,Chang L M.Rehabilitation decision analysis and life-cycle costing of the infrastructure system[J].Construction Research,2003.
[7]Kong J S,Frangopol D M.Life-Cycle RehiabilityBased Maintenance Cost Optimization of Deteriorating Structures with Emphasis on Bridges [J].Journal of Structural Engineering,2003,129 (6).
[8]Kong J S,Frangopol D M.Cost-Reliability Interaction in Life-Cycle Cost Optimization of Deteriorating Structures [J].Journal of Structural Engineering.2004,130 (11).
[9]Peng J X,Shao X D.Research framework of lifetime performance based bridge design method [R].Proceeding of the 2nd International Conference of Structural Health Monitoring of Intelligent Infrastructure,2005.