Departmental Bulletin Paper 建物の基本的特性に対する同定手法の検討

河井, 雄登  ,  末崎, 和宏  ,  吉田, 長行

The structural model should be constructed with high accuracy for exactly redesigning the earthquake resistance ability of old buildings. For this, the procedures for identifying the basic characteristic of the building such as natural frequencies and damping factors are intensively required nowadays. This could be done by measuring the vibration of buildings caused by microtremors of the ground and identifying the vibrational characteristics of buildings. In this study it is investigated whether these dynamic characteristics could be extracted from observed data on small vibration by using MOESP method that is the basic method in subspace identification methods.

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