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Failure process of masonry buildings during earthquake and associated casualty risk evaluation

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  • Aiko Furukawa
  • Yutaka Ohta

Abstract

Collapse of masonry structures during an earthquake is analyzed using the three-dimensional distinct element method (3D-DEM) code developed by the first author. The DEM is a numerical analysis technique, in which positions of elements are calculated by solving equations of motion step by step. Both individual and group behavior can be simulated. The structure is modeled as an assembly of distinct elements connected by virtual springs and dashpots, where elements come into contact. First, the validity of the developed 3D-DEM code is confirmed by comparing analytical results with static experimental results of masonry walls. Second, failure process of masonry buildings due to earthquake is investigated using DEM. Effects of reinforcing methods are also examined. Finally, injury to human bodies in the collapsing masonry buildings is also calculated. Assuming that occupants lie down on the floor, two types of casualty criteria are introduced and assessed. Copyright Springer Science+Business Media B.V. 2009

Suggested Citation

  • Aiko Furukawa & Yutaka Ohta, 2009. "Failure process of masonry buildings during earthquake and associated casualty risk evaluation," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 49(1), pages 25-51, April.
    • Handle: RePEc:spr:nathaz:v:49:y:2009:i:1:p:25-51
    DOI: 10.1007/s11069-008-9275-x
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    Citations

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    Cited by:

    1. Ali Ural & Adem Doğangün & Halil Sezen & Zekai Angın, 2012. "Seismic performance of masonry buildings during the 2007 Bala, Turkey earthquakes," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 60(3), pages 1013-1026, February.
    2. Wanpeng Ding & Zhijian Wu & Beilei Zhan & Jian Liu & Jun Bi, 2023. "Analysis of seismic damage of a highway bridge during the 2021 Ms 7.4 earthquake in Maduo County, China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 117(3), pages 2419-2434, July.
    3. Xinzheng Lu & Donglian Gu & Zhen Xu & Chen Xiong & Yuan Tian, 2020. "CIM-Powered Multi-Hazard Simulation Framework Covering both Individual Buildings and Urban Areas," Sustainability, MDPI, vol. 12(12), pages 1-28, June.
    4. Li, Shuang & Yu, Xiaohui & Zhang, Yanjuan & Zhai, Changhai, 2018. "A numerical simulation strategy on occupant evacuation behaviors and casualty prediction in a building during earthquakes," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 490(C), pages 1238-1250.
    5. Li, Shuang & Zhai, Changhai & Xie, Lili, 2015. "Occupant evacuation and casualty estimation in a building under earthquake using cellular automata," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 424(C), pages 152-167.

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