Abstract: On the foundation of analysis damage cause of bridge approach bump , this paper discusses various preventing measures which are used currently in detail , analyzes the maintenance judgment index and maintenance goal extreme value , and gives some good advice to maintenance measure of bridge approach bump

Key words: bridge approach bump , preventing measure , maintenance judgment index , maintenance measure

摘要： 在对桥头跳车病害成因分析的基础上，对当前各种桥头跳车的预防措施进行了较为详细的论述，并对桥头 跳车的养护判定标准和养护目标限值进行了讨论，对桥头跳车的养护方法提出了建议

关键词: 桥头跳车, 预防措施, 养护判定标准, 养护方法