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)
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