摘要
梁结构的损伤与其刚度有直接关系,因此模态分析方法可应用于桥梁损伤检测中。通过论述模态分析技术的理论基础,并对标准简支损伤梁振型的数值研究,可揭示出不同损伤位置对梁振动模态的影响,从而提出一种桥梁损伤诊断的新思路。
Damage of girder has direct correlation with its rigidity, so modal analysis can be used in detecting bridge damage. Through elaborating theoretical basis of modal analysis, the value is researched about standard simple-supported damaged beam so as to find out the influence of different damage position on beam vibration modal and their correlation. Finally a new thought is put forward to diagnose bridge damage.
出处
《交通标准化》
2009年第7期28-30,共3页
Communications Standardization
关键词
损伤识别
损伤位置
模态
damage diagnosis
damage position
modal
