논문 상세보기
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.
1. 서 론
2. 노토지진에 의한 목구조의 피해
2.1 액상화 피해
2.2 재료의 열화에 의한 피해
2.3 전단 변형
2.4 비틀림 변형
2.5 접합부 파괴
2.6 비구조 요소의 파괴
3. 일본 목조에 대한 내진설계 변화
3.1 1950년 건축기준법 제정
3.2 1981년 신내진기준
3.3 1995년 고베 지진
3.4 2000년 건축기준법 시행령 개정이후
4. 지진피해의 교훈
4.1 목구조의 지진피해 유형
4.2 목구조의 내진성능 곡선
4.3 목구조의 지진피해 위계구조
5. 결 론
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