STRUCTURAL DAMAGE ASSESSMENT OF BUILDING STRUCTURES USING DYNAMIC EXPERIMENTAL DATA
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STRUCTURAL DAMAGE ASSESSMENT OF BUILDING STRUCTURES USING DYNAMIC EXPERIMENTAL DATA
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STRUCTURAL DAMAGE ASSESSMENT OF BUILDING STRUCTURES USING DYNAMIC EXPERIMENTAL DATA

Author: HEUNG-SIK KIM AND YOUNG-SOO CHUN | Size: 163 KB | Format: PDF | Quality: Unspecified | Publisher: HEUNG-SIK KIM AND YOUNG-SOO CHUN | Year: 2004 | pages: 8

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Detection of damage to structures has recently received considerable attention from the viewpoint of maintenance
and safety assessment. In this respect, the vibration characteristics of buildings have been applied consistently to
obtain a damage index of the whole building, but it has not been established as a practical method until now. It
is reasoned that this is perhaps due to restrictions on the experiment, use of improper method, and lack of inspection
opportunity for the structures. In addition, in the case of large-scale structures such as buildings, many variables
to be considered for the analysis contribute to a large number of degrees of freedom, and this can also be
a considerable problem for the analysis. A practical method for the detection of structural damage using the first
natural frequency and mode shape of building is proposed in this paper. The effectiveness of the proposed method
is verified by numerical analysis and experimental tests. From the results, it is observed that the severity and location
of the damage can be estimated with a relatively small error by using modal properties of building.

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