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ISSN : 1226-525X(Print)
ISSN : 2234-1099(Online)
Journal of the Earthquake Engineering Society of Korea Vol.29 No.5 pp.315-326
DOI : https://doi.org/10.5000/EESK.2025.29.5.315

Development and Practical Validation of Normalized Floor Response Spectra for Nonstructural Components in High-Rise Buildings

Ahn Chae Yun1), Kang Thomas H.-K.2)*, Kim Sung Yong3)
1)Master’s Degree, Department of Architecture and Architectural Engineering, Seoul National University, 2)Professor, Department of Architecture and Architectural Engineering, Seoul National University, 3)Associate Professor, Department of Architectural Engineering, Changwon National University

Abstract

This study examines the seismic vulnerability of non-structural components in high-rise buildings by proposing a normalized floor response spectrum (FRS) suitable for practical application. A Bayesian-mode-based method (BMBM) is used to develop the FRS, incorporating both modal amplification effects and the probabilistic variability observed across different building heights and story levels. The resulting spectrum is methodically compared with existing code-based and empirical methods to assess its consistency, conservatism, and relevance to engineering practices. The findings demonstrate that the proposed FRS provides a realistic yet reliable upper-bound estimate of floor accelerations, particularly in the upper stories where modal interactions are significant. This research offers a robust and practical framework for enhancing the seismic design of nonstructural components in vertical structures.

초록

     

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    Reference

    Journal Abbreviation J. Earthq. Eng. Soc. Korea
    Frequency Bimonthly
    Doi Prefix 10.5000/EESK
    Year of Launching 1997
    Publisher Earthquake Engineering Society of Korea
    Indexed/Tracked/Covered By