期刊
COMPUTERS & STRUCTURES
卷 90-91, 期 -, 页码 116-130出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compstruc.2011.10.002
关键词
Vibration serviceability; Human-structure dynamic interaction; Footbridges; Walking forces; Dynamic loading
资金
- UK Engineering and Physical Sciences Research Council (EPSRC) [EP/E018734/1]
- EPSRC [EP/E018734/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/E018734/1] Funding Source: researchfish
Motivated by the existing models of wind and earthquake loading, speech recognition techniques and a method of replicating electrocardiogram (ECG) signals, this paper presents a mathematical model to generate synthetic narrow band lateral force signals due to individuals walking. The model is fitted to a database comprising many directly measured walking time series, yielding a random approach to generating their artificial - yet realistic counterparts. This multi-disciplinary modelling strategy offers a radical departure from traditional Fourier-based representations of lateral walking loads towards more reliable and more realistic vibration serviceability assessment of footbridges. (C) 2011 Elsevier Ltd. All rights reserved.
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