High-Rise Buildings in Natural Disaster
There is no precise definition of what constitutes a high-rise building. A building code definition includes buildings of over 23 m in height or approximately 6 stories high (IBC, 2009). Emporis Standards (2010) define high-rise buildings as multistory structures that are 35–100 m tall, or 12–39 stories high. Sometimes special service requirements dictate the definition. A building that is tall enough to necessitate an elevator, or as in the case of a fire code, “any structure where the height can have a serious impact on evacuation,” may be classified as high-rise. In the context of natural hazards, two aspects distinguish high-rise buildings from others: (1) consequence of damage and (2) structural properties and their interactions with effects of natural hazards. High-rise buildings provide increased density of occupancy per structure, providing concentration of people in one building. Therefore, the consequence of damage tends to be more severe than that of a low-rise...
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