Simulation of earthquake-induced hazards of falling exterior non-structural components and its application to emergency shelter design

Zhen Xu, Xinzheng Lu (), Hong Guan, Yuan Tian and Aizhu Ren
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Zhen Xu: University of Science and Technology Beijing
Xinzheng Lu: Tsinghua University
Hong Guan: Griffith University Gold Coast Campus
Yuan Tian: Tsinghua University
Aizhu Ren: Tsinghua University

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2016, vol. 80, issue 2, No 13, 935-950

Abstract: Abstract In addition to earthquake-induced structural collapse, hazards related to falling exterior non-structural components of buildings have also been recognized as a significant safety problem. A novel simulation method is proposed herein to reduce such type of hazard, which has rarely been studied in the existing literature. Using a multi-story concentrated-mass shear model and specific falling criteria for exterior non-structural components, the hazard ranges of falling objects in a building group are simulated. The uncertainty of ground motion is considered via the incremental dynamic analyses. Thus, the distribution probabilities of falling objects during the design life of a building group can be predicted. A residential community area is considered as a case study for calculating the distribution probabilities of falling objects over a design period of 50 years and for selecting a suitable and safe site for an emergency shelter. This study is expected to provide a useful reference for emergency and disaster management.

Keywords: Earthquake-induced hazards; Falling objects; Exterior non-structural components; Building group; Emergency shelter (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1007/s11069-015-2005-2

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