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Effects of wind-induced vibrations in tall buildings on cognitive work performance, comfort, and wellbeing of the occupants

K Heshmati, E Shahabpoor, A Darby, Ian Walker Orcid Logo, S Ghanbari

Journal of Physics: Conference Series, Volume: 2647, Issue: 25, Start page: 252032

Swansea University Author: Ian Walker Orcid Logo

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DOI (Published version): 10.1088/1742-6596/2647/25/252032

Abstract

Tall buildings inherently have low natural frequencies, excitable by wind loading through buffeting and vortex shedding. Such vibrations can cause discomfort or even fear in the occupants which is a design failure from vibration serviceability standpoint. Current wind-induced vibration serviceabilit...

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Published in: Journal of Physics: Conference Series
ISSN: 1742-6588 1742-6596
Published: IOP Publishing 2024
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URI: https://cronfa.swan.ac.uk/Record/cronfa68981
first_indexed 2025-02-27T14:23:35Z
last_indexed 2025-03-12T05:35:42Z
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Current wind-induced vibration serviceability guidelines such as ISO10137-2007, have proposed their acceptability criteria based on human perception of vibrations. However, recent studies suggest that such perception thresholds may not be an appropriate measure of vibration acceptability. Rather, more direct factors such as influence on work (both cognitive and physical) performance, health and wellbeing, and the emergence of mild motion sickness (sopite syndrome), should be used to assess 'acceptability'.This study provides experimental evidence of the effects of wind-induced vibrations on cognitive work performance, comfort, and wellbeing of the occupants. The state-of-the-art motion simulator facility, located at the University of Bath (VSimulator) was used to simulate bidirectional random vibrations, typical of tall building response due to wind loading. Under fully controlled conditions, research participants were exposed to six different motion conditions, as a cross-product of two frequencies and three peak accelerations, five of which were deemed acceptable for office buildings according to ISO-10137. Both objective and subjective psychological measurements were carried out to evaluate work performance, comfort, and wellbeing of participants subjected to these different motion characteristics. The results showed that both peak acceleration and frequency of motion had adverse effects on work performance, comfort and wellbeing of participants and showed evidence of the onset of sopite syndrome symptoms during even relatively short (&#x223C;2 hour) exposures. It was concluded that even for motion conditions with peak acceleration magnitudes below the threshold of conscious perception, there were negative consequences, especially as exposure to such motions caused participants to experience sopite syndrome. The data here suggests that buildings constructed to current standards might lead to negative consequences for wellbeing and work performance even when people are not consciously aware of any motion. 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spelling 2025-03-11T14:54:42.6226349 v2 68981 2025-02-27 Effects of wind-induced vibrations in tall buildings on cognitive work performance, comfort, and wellbeing of the occupants ac9a28ab033f55f1a469ab76e12feb96 0000-0002-0079-3149 Ian Walker Ian Walker true false 2025-02-27 Tall buildings inherently have low natural frequencies, excitable by wind loading through buffeting and vortex shedding. Such vibrations can cause discomfort or even fear in the occupants which is a design failure from vibration serviceability standpoint. Current wind-induced vibration serviceability guidelines such as ISO10137-2007, have proposed their acceptability criteria based on human perception of vibrations. However, recent studies suggest that such perception thresholds may not be an appropriate measure of vibration acceptability. Rather, more direct factors such as influence on work (both cognitive and physical) performance, health and wellbeing, and the emergence of mild motion sickness (sopite syndrome), should be used to assess 'acceptability'.This study provides experimental evidence of the effects of wind-induced vibrations on cognitive work performance, comfort, and wellbeing of the occupants. The state-of-the-art motion simulator facility, located at the University of Bath (VSimulator) was used to simulate bidirectional random vibrations, typical of tall building response due to wind loading. Under fully controlled conditions, research participants were exposed to six different motion conditions, as a cross-product of two frequencies and three peak accelerations, five of which were deemed acceptable for office buildings according to ISO-10137. Both objective and subjective psychological measurements were carried out to evaluate work performance, comfort, and wellbeing of participants subjected to these different motion characteristics. The results showed that both peak acceleration and frequency of motion had adverse effects on work performance, comfort and wellbeing of participants and showed evidence of the onset of sopite syndrome symptoms during even relatively short (∼2 hour) exposures. It was concluded that even for motion conditions with peak acceleration magnitudes below the threshold of conscious perception, there were negative consequences, especially as exposure to such motions caused participants to experience sopite syndrome. The data here suggests that buildings constructed to current standards might lead to negative consequences for wellbeing and work performance even when people are not consciously aware of any motion. Current serviceability criteria might be insufficient to address acceptable levels of wind-induced vibrations in tall buildings and future design criteria could be based on how vibrations affect health, wellbeing and performance rather than simply on the perceptibility of vibrations. Journal Article Journal of Physics: Conference Series 2647 25 252032 IOP Publishing 1742-6588 1742-6596 1 6 2024 2024-06-01 10.1088/1742-6596/2647/25/252032 COLLEGE NANME COLLEGE CODE Swansea University 2025-03-11T14:54:42.6226349 2025-02-27T14:15:31.8248130 Faculty of Medicine, Health and Life Sciences School of Psychology K Heshmati 1 E Shahabpoor 2 A Darby 3 Ian Walker 0000-0002-0079-3149 4 S Ghanbari 5 68981__33783__cfe097f045e94229896917f2c8903053.pdf 68981.VoR.pdf 2025-03-11T14:48:52.5523765 Output 1157951 application/pdf Version of Record true Released under the terms of theCreative Commons Attribution 4.0 licence. true eng https://creativecommons.org/licenses/by/4.0/
title Effects of wind-induced vibrations in tall buildings on cognitive work performance, comfort, and wellbeing of the occupants
spellingShingle Effects of wind-induced vibrations in tall buildings on cognitive work performance, comfort, and wellbeing of the occupants
Ian Walker
title_short Effects of wind-induced vibrations in tall buildings on cognitive work performance, comfort, and wellbeing of the occupants
title_full Effects of wind-induced vibrations in tall buildings on cognitive work performance, comfort, and wellbeing of the occupants
title_fullStr Effects of wind-induced vibrations in tall buildings on cognitive work performance, comfort, and wellbeing of the occupants
title_full_unstemmed Effects of wind-induced vibrations in tall buildings on cognitive work performance, comfort, and wellbeing of the occupants
title_sort Effects of wind-induced vibrations in tall buildings on cognitive work performance, comfort, and wellbeing of the occupants
author_id_str_mv ac9a28ab033f55f1a469ab76e12feb96
author_id_fullname_str_mv ac9a28ab033f55f1a469ab76e12feb96_***_Ian Walker
author Ian Walker
author2 K Heshmati
E Shahabpoor
A Darby
Ian Walker
S Ghanbari
format Journal article
container_title Journal of Physics: Conference Series
container_volume 2647
container_issue 25
container_start_page 252032
publishDate 2024
institution Swansea University
issn 1742-6588
1742-6596
doi_str_mv 10.1088/1742-6596/2647/25/252032
publisher IOP Publishing
college_str Faculty of Medicine, Health and Life Sciences
hierarchytype
hierarchy_top_id facultyofmedicinehealthandlifesciences
hierarchy_top_title Faculty of Medicine, Health and Life Sciences
hierarchy_parent_id facultyofmedicinehealthandlifesciences
hierarchy_parent_title Faculty of Medicine, Health and Life Sciences
department_str School of Psychology{{{_:::_}}}Faculty of Medicine, Health and Life Sciences{{{_:::_}}}School of Psychology
document_store_str 1
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description Tall buildings inherently have low natural frequencies, excitable by wind loading through buffeting and vortex shedding. Such vibrations can cause discomfort or even fear in the occupants which is a design failure from vibration serviceability standpoint. Current wind-induced vibration serviceability guidelines such as ISO10137-2007, have proposed their acceptability criteria based on human perception of vibrations. However, recent studies suggest that such perception thresholds may not be an appropriate measure of vibration acceptability. Rather, more direct factors such as influence on work (both cognitive and physical) performance, health and wellbeing, and the emergence of mild motion sickness (sopite syndrome), should be used to assess 'acceptability'.This study provides experimental evidence of the effects of wind-induced vibrations on cognitive work performance, comfort, and wellbeing of the occupants. The state-of-the-art motion simulator facility, located at the University of Bath (VSimulator) was used to simulate bidirectional random vibrations, typical of tall building response due to wind loading. Under fully controlled conditions, research participants were exposed to six different motion conditions, as a cross-product of two frequencies and three peak accelerations, five of which were deemed acceptable for office buildings according to ISO-10137. Both objective and subjective psychological measurements were carried out to evaluate work performance, comfort, and wellbeing of participants subjected to these different motion characteristics. The results showed that both peak acceleration and frequency of motion had adverse effects on work performance, comfort and wellbeing of participants and showed evidence of the onset of sopite syndrome symptoms during even relatively short (∼2 hour) exposures. It was concluded that even for motion conditions with peak acceleration magnitudes below the threshold of conscious perception, there were negative consequences, especially as exposure to such motions caused participants to experience sopite syndrome. The data here suggests that buildings constructed to current standards might lead to negative consequences for wellbeing and work performance even when people are not consciously aware of any motion. Current serviceability criteria might be insufficient to address acceptable levels of wind-induced vibrations in tall buildings and future design criteria could be based on how vibrations affect health, wellbeing and performance rather than simply on the perceptibility of vibrations.
published_date 2024-06-01T08:18:18Z
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