Based On The Grey System Theory Of Large Steel Structure Engineering Damage Identification Technology Research

Steel structure damage identification technology, is for decades in civil engineering field developed a door to adapt to the need of the actual engineering discipline overlapping emerging comprehensive discipline. This topic is the large steel structure project damage identification technology, on the results of the study and application to jinan cultural center theater in steel structure engineering.This article unifies the domestic and foreign structural damage identification method of the status quo, summarizes various damage identification method, the classification of structural damage identification, structural damage identification method was discussed in the paper, for the proposed can be applied to practical engineering damage identification methods theoretical foil.This paper studies the gray system theory of grey correlation coefficient. In the damage identification, the grey correlation coefficient is the influence of grey resolution. This paper will grey correlation coefficient is improved, and put forward the structural damage identification can be used in the grey correlation coefficient strain. Gray strain correlation coefficient, taking the strain data for recognition efficiency and eliminate the influence of the gray resolution. Finite element software of gray correlation coefficient strain the numerical simulation, proved the validity of the grey correlation coefficient strain.Combined with grey correlation coefficient method strain, cultural center of the grand theatre in jinan steel structure part health monitoring, ensure that the grand theatre concert hall and GeJuTing steel structure of the security and stability, the next step for the implementation of the project to provide the safeguard, for other health monitoring project damage identification to provide a good reference.