Seismic assessment of Japanese traditional wooden structure by dynamic interaction numerical analysis of surrounding ground

• SAKAI Hisakazu

  Department of Civil and Environmental Engineering, Hosei University

• IZUNO Kazuyuki

  Department of Civil Engineering, Ritsumeikan University

• SAKO Kazunari

  Department of Ocean Civil Engineering, Kagoshima University

• ENDO Takahiro

  Nagoya Construction Division, Meiko Construction Co., Ltd.

• FUKAGAWA Ryoichi

  Department of Civil Engineering, Ritsumeikan University

• TOKI Kenzo

  Institute of Disaster Mitigation for Urban Cultural Heritage, Ritsumeikan University

抄録

We conducted seismic evaluations of a traditional wooden building using three-dimensional earthquake response analyses. The building is registered as one of the “Historic Monuments of Ancient Kyoto”, UNESCO World Heritage Site, and is located in a region of strong earthquake motion from a scenario earthquake. The structure is an invaluable asset, but it is at risk of damage resulting from earthquake. Our numerical estimation was based on a dynamic interaction analysis between the building and the surrounding ground because it was located on the slope of a hill with complicated geophysical features. We also conducted a dynamic non-interaction analysis of the structure for a comparison with the aforementioned interaction model. Boring explorations and geotechnical tests were conducted before the assessment in order to investigate the ground foundation. We included the surrounding ground for a more realistic analysis because the seismic estimation for a model consisting only of the main structure differs significantly from that of the structure-ground coupling model. The results showed that the main wooden building was at risk of partial damage as it exceeded the safety limits prescribed for a scenario earthquake, and would collapse in the case of double the amplitude of the scenario earthquake.

収録刊行物

• Japan Society for Natural Disaster Science

  Japan Society for Natural Disaster Science 35 (1), 1-20, 2014

  日本自然災害学会

キーワード

• ‌seismic estimation
• earthquake response analysis
• traditional wooden structure
• scenario earthquake
• soil-structure interaction

詳細情報

• CRID: 1390001206486493056
• NII論文ID: 130005069379
• DOI: 10.2328/jnds.35.1
• ISSN: 24346705
• ISSN: 03884090
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可