Damage Identification Method for Continuous Beam Bridges Based on Information Fusion and Modal. Strain Energy
Due to large scale and structural complicacy, structural health monitoring for civil engineering needs more accurate and effectual methods of damage identification. This study aims to import multi- source information fusion (MSIF) into structural damage diagnosis to improve validity of damage detection. Firstly, mathematic methods of MSIF are introduced. And then, the structural damage identification based on multi-mode information processing based on MSIF is put forward. Later, on the basis of a numerical simulation of a continuous beam bridge, it is obviously indicated that improved modal strain energy method based on multi-mode information fusion has nicer sensitivity to structural initial damage. Compared with classical modal Strain energy method, this damage identification method needs much less modal information to detect structural initial damage. That is to say, this structural damage identification method based on multi-mode information fusion has better effect of structural damage identification and good practicability to actual structures.
Multi-mode information fusion Structural damage identification D-S evidence
Tao Liu Aiqun Li Youliang Ding Daliang Zhao
College of civil engineering, Southeast University, Nanjing 210096, China
国际会议
南京
英文
602-606
2007-10-16（万方平台首次上网日期，不代表论文的发表时间）