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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.305-314
DOI : https://doi.org/10.5000/EESK.2025.29.5.305

Lessons from Wood Structural Damage Caused by the 2024 Noto Earthquake

Kim Namhee1)*, Hong Sunggul2), Han Sang Whan3), Kim Yousok4), Jeong Seoung Hoon5)
1)Visiting Professor, Department of Architecture and Architectural Engineering, Seoul National University, 2)Professor Emeritus., Department of Architecture and Architectural Engineering, Seoul National University, 3)Professor, Department of Architecture, Hanyang University, 4)Associate Professor, School of Architectural Engineering, Hongik University, 5)Professor, Department of Architectural Engineering, Inha University

Abstract

The 2024 Noto Peninsula Earthquake in Japan caused significant damage to wooden structures due to strong ground motion and widespread liquefaction. This study examines the damage patterns observed in wooden houses and analyzes the underlying structural vulnerabilities that contribute to these patterns. Key findings include standard failure modes such as foundation settlement, soft-story collapse, torsional deformation, and joint failure. The evolution of Japan’s seismic design standards has been reviewed, highlighting the importance of balanced wall distribution, reinforced connections, and lightweight roofing systems. Based on field investigations, this study systematically classifies the types of seismic damage in wood structures. It develops a qualitative performance curve that visually illustrates structural behavior in terms of inclination, seismic damage patterns, and repairability. Furthermore, a seismic damage taxonomy is proposed to infer the causes of damage through logical links between observed failure patterns and structural vulnerabilities. This research establishes a practical foundation for the seismic design and retrofit strategies of wood structures, ultimately contributing to the advancement of earthquake-resilient construction practices.

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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