Possibility of Suppressing Fire Spread in the Event of a Large Earthquake by Greening and Demolishing Vacant Houses

Authors

  • Toshihiro Osaragi Tokyo Institute of Technology Author https://orcid.org/0000-0002-6327-3976
  • Asuka Harada Tokyo Institute of Technology Author
  • Takuya Oki Tokyo Institute of Technology Author
  • Yoho Sakamoto Tokyo Institute of Technology Author

Keywords:

greening, demolition of vacant houses, fire-spread model, large earthquake, simulation

Abstract

In recent years, disaster mitigation measures by greening and demolition of vacant houses to prevent large post-earthquake fire spread have been promoted. However, few studies evaluate its effects on reducing property damage and human casualties, especially in vulnerable areas for earthquakes, such as densely built-up wooden residential areas. In this paper, we develop a model to describe the delay of post-earthquake fire spread between neighboring buildings, and incorporate it into the simulation model. Using the integrated model, we evaluate the reduction of the number of burnt-down buildings and human casualties in densely built-up wooden residential areas, and demonstrate the effectiveness of greening and demolition of vacant houses.

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Author Biography

  • Toshihiro Osaragi, Tokyo Institute of Technology

    Professor, Dr. Eng.
    Department of Architecture and Building Engineering
    School of Environment and Society
    Tokyo Institute of Technology 

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Published

2024-05-14

How to Cite

Osaragi, T., Harada, A., Oki, T., & Sakamoto, Y. (2024). Possibility of Suppressing Fire Spread in the Event of a Large Earthquake by Greening and Demolishing Vacant Houses. ISCRAM Proceedings, 21. http://ojs.iscram.org/index.php/Proceedings/article/view/12

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