Abstract
In this paper, based on vibration measurement and analysis of finite element method (FEM) for RC framed structure, Genetic Algorithm with real number encoding (GARNE) is employed in diagnosing crack damage occurrence, location, and severity for the RC framed structure by means of minimizing the objective function, which directly compares the changes in vibration data (namely, the frequency changes, the mode shape changes and simultaneous changes of both the frequency and the mode shape) measured from the un-cracked and cracked RC framed structure. The GARNE explores the region of the whole solution space and can obtain the global optimum. Numerical results show that the cracked elements can be diagnosed by the GARNE. The effectiveness of the GARNE for such crack damage diagnosis of the RC framed structures is verified through comparison with site measurement.
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