Comfort Evaluation of Double-Sided Catwalk for Suspension Bridge due to Wind-Induced Vibration

Table 4

Calculation cases and results.

Case no.	Cross bridge interval (m)	Gantry rope diameter (mm)	Frequency weighted RMS acceleration aw (m/s^2)		Corresponding subjective response		Annoyance rate
			Y	Z	y	z	Y	z
1	120	48	1.02	1.05	Uncomfortable		9.80%	11.87%
2	120	54	0.99	1.02			7.40%	9.66%
3	120	60	0.92	0.97			7.28%	7.72%
4	120	60	0.88	0.95			7.24%	7.70%
5	140	60	0.88	0.94			7.80%	8.13%
6	90	60	0.87	0.92	5.63%	5.58%