JDR Vol.18 No.4 pp. 338-349
doi: 10.20965/jdr.2023.p0338


Wavelet Transform Method for the Evaluation of the Seismic Response of One Isolated Building in the Lima Metropolitan Area

Joseph Jaramillo*,† ORCID Icon, Miguel Diaz** ORCID Icon, Carlos Zavala** ORCID Icon, Koichi Kusunoki*** ORCID Icon, Italo Inocente* ORCID Icon, and Danty Otero* ORCID Icon

*Japan Peru Center for Earthquake Engineering Research and Disaster Mitigation (CISMID), National University of Engineering (UNI)
Av. Tupac Amaru 1150, Lima 15333, Peru

Corresponding author

**Faculty of Civil Engineering, National University of Engineering (UNI)
Lima, Peru

***Earthquake Research Institute, The University of Tokyo
Tokyo, Japan

January 7, 2023
April 10, 2023
June 1, 2023
structural health monitoring, wavelet transform, earthquake, seismic response, monitoring system

Structural health monitoring based on vibration measurements is a process that implements the instrumentation of sensors and methodologies to provide information regarding the condition of a structure, which allows the evaluation of the safety and integrity of structural systems. Because of this, in the past decades, several algorithms have been developed; among them, the wavelet transform is considered an efficient method for the elimination of the error contained in the acceleration recorded by the sensors. However, due to the complex nature of earthquakes and the particularity of the structural systems, the parameters used by the wavelet transform for error elimination in the seismic response are frequently variable. This paper proposes a method to get the seismic response of a base-isolated building subjected to ground-strong motions through numerical simulations of a mathematical model of the structure, using synthetic records based on historical seismic events occurring in Peru. In this way, the research found that the optimal intrinsic parameters of the building correspond to an approximate frequency interval of 0.20 to 6.25 Hz. Finally, the results show that this method is valid and can be reliably applied in structural health monitoring systems.

Cite this article as:
J. Jaramillo, M. Diaz, C. Zavala, K. Kusunoki, I. Inocente, and D. Otero, “Wavelet Transform Method for the Evaluation of the Seismic Response of One Isolated Building in the Lima Metropolitan Area,” J. Disaster Res., Vol.18 No.4, pp. 338-349, 2023.
Data files:
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Last updated on Sep. 29, 2023