Combined Annoyance Assessment of Subway Train-Induced Structural Vibration and Ambient Noise

Table 1

Reference values of parameters for annoyance degree calculation of typical areas.

Type		Structural vibration				Ambient noise
		,				,
		,				,
		Day		Night		Day		Night
		I	Vibration restricted area	62	6	59	3	47	6	37	3
II	Residence	62	6	59	3	47	6	37	3
III	Commercial district	67	6	64	3	57	6	47	3
IV	Industrial district	72	6	69	3	67	6	57	3
V	Workshop	72	6	69	3	67	6	57	3