Vibration Serviceability Assessment of Pedestrian Bridges Based on Comfort Level
Publication: Journal of Performance of Constructed Facilities
Volume 33, Issue 5
Abstract
The comfort of pedestrians on a footbridge is a rather complex problem that has been discussed for a long time. Vibration acceleration is generally accepted as the main controlling factor that influences pedestrian comfort. However, no consensus has been reached regarding which acceleration-based parameters should be used as an index for assessing comfort. Only simple comfort limits, rather than specific relationships between comfort and the corresponding indices, are currently available for assessing the vibration serviceability of a pedestrian bridge. In this study, the vibration acceleration of 21 pedestrian bridges in Beijing, China, were recorded under different service conditions, and questionnaire surveys on pedestrian comfort were conducted. The acquired testing and survey results were utilized to analyze the correlation between pedestrian comfort and bridge vibration. A procedure for assessing the vibration serviceability of pedestrian bridges considering pedestrian comfort is proposed based on the relation between pedestrian comfort and the maximum footbridge acceleration.
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Acknowledgments
This research was supported by the National Key Program of China (2017YFC0703001) and the National Natural Science Foundation of China (Grant Nos. 51478246, 51522807, and 51778330).
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Published In
Journal of Performance of Constructed Facilities
Volume 33 • Issue 5 • October 2019
Copyright
©2019 American Society of Civil Engineers.
History
Received: Aug 20, 2018
Accepted: Jan 11, 2019
Published online: Jun 18, 2019
Published in print: Oct 1, 2019
Discussion open until: Nov 18, 2019
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