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Erschienen in:
2024 | OriginalPaper | Buchkapitel
Correlation Analysis Between Seismic Response of Primary Auxiliary Building and Ground Motion Intensity Measures
verfasst von : Thanh-Tung Thi Nguyen, Van-Long Phan, Duy-Duan Nguyen
Erschienen in: Recent Advances in Structural Engineering
Verlag: Springer Nature Singapore
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Abstract
The auxiliary building (AB) plays a crucial importance in the safety operation of nuclear power plants (NPPs). This study evaluates seismic performances of the primary auxiliary building in the Korean Standard (KS) nuclear power plants (NPPs). The numerical model of the AB structure is developed using a series of multi-layer shell elements, in which nonlinear material properties of concrete and reinforcement are considered. A set of 90 ground motions is employed in time-history analyses for evaluating the seismic performance of the structure. Floor accelerations and displacements of the structure are monitored as engineering demand parameters (EDPs). Statistical indicators including the goodness of fit (R2), standard deviation, and practicality are employed to evaluate the correlation between EDPs and 21 considered earthquake intensity measures (IMs). The results show that the strongest correlated IMs are \(S_{a} \left( {T_{1} } \right)\), \(S_{v} \left( {T_{1} } \right)\), \(S_{d} \left( {T_{1} } \right)\), followed by \(ASI\), \(SMA\), \(EPA\), and \(PGA\).