Vibration response analysis of footbridge based on pedestrian perception

Advances in Bridge Engineering

Table 1 Response distribution parameters and vibration response reduction coefficient statistics

working condition		Pedestrian real maximum vibration response/\(\left({mgs}^{-2}\right)\)		Structural mid-span peak acceleration/\(\left({mgs}^{-2}\right)\)		Vibration response reduction factor
working condition		mean value	standard deviation	mean value	standard deviation	\(\varphi\)	\(a\)
OAM	9	0.401	0.276	0.541	0.308	0.730	0.897
OAM	18	0.54	0.239	0.663	0.250	0.752	0.958
SDM	9	0.197	0.077	0.270	0.075	0.731	1.025
	18	0.305	0.122	0.443	0.104	0.696	1.168
	27	0.442	0.173	0.609	0.147	0.727	1.176
SAM	9	0.194	0.084	0.266	0.076	0.729	1.107
	18	0.271	0.118	0.391	0.111	0.693	1.056
	27	0.367	0.181	0.487	0.185	0.752	0.982
DEM	9	0.231	0.097	0.341	0.084	0.676	1.160
	18	0.360	0.153	0.512	0.118	0.667	1.291
	27	0.500	0.156	0.699	0.123	0.723	1.264