Action difficulty evaluation for high-rise buildings based on questionnaire and strong-motion records
Nina Suzuki, Tomohiko Hatada, Takenori Hida, Hong Liu, Masayuki Nagano
download PDFAbstract. The present study describes the evaluation of feelings of difficulty faced by residents in performing actions during earthquakes (hereinafter, action difficulty) based on questionnaire surveys and strong-motion records for high-rise RC residential buildings having over 20 stories with seismic dampers or seismic isolation devices applied. In the recent structural design of buildings, both ensuring structural safety, such as the preservation of human lives during earthquakes, and evaluating the security of people in the buildings from the viewpoint of resilience, such as their continuous functionality and reduction of anxiety, are necessary. In the present study, focusing on the degree of the action difficulty, we propose a new evaluation formula based on the results of questionnaire surveys during earthquakes to evaluate the security of people in buildings. First, we analyze past questionnaire survey results in detail for the residents of high-rise residential buildings and show that the action difficulty is greatly reduced in seismically isolated buildings, as compared to earthquake-resistant buildings. On the other hand, for seismic response controlled buildings with steel dampers, no significant effect is determined in terms of action difficulty based on questionnaire surveys after massive earthquakes. Second, based on the relationship between the strong-motion records and the results of questionnaire surveys for the residents of high-rise buildings for the 2011 off the Pacific coast of Tohoku earthquake, we propose a new evaluation index to evaluate the security of people in the buildings and develop an evaluation formula for action difficulty. Third, we construct three-dimensional frame models with seismic dampers or seismic isolation devices in an existing high-rise RC residential building and evaluate the action difficulty for residents on each floor based on the proposed formula. Finally, we evaluate action difficulty during a medium-scale earthquake. The results indicate that the application of oil dampers and seismic isolation devices contributes to improving the security of people in buildings.
Keywords
Seismic Response Control, Seismic Isolation, Safety and Security, Resilience, Questionnaire Survey, Action Difficulty, Seismic Response Analysis
Published online 3/30/2023, 8 pages
Copyright © 2023 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA
Citation: Nina Suzuki, Tomohiko Hatada, Takenori Hida, Hong Liu, Masayuki Nagano, Action difficulty evaluation for high-rise buildings based on questionnaire and strong-motion records, Materials Research Proceedings, Vol. 27, pp 191-198, 2023
DOI: https://doi.org/10.21741/9781644902455-24
The article was published as article 24 of the book Structural Health Monitoring
Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
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