Test on the Influence of Geometric Parameters of an Annular Trench on the Vibration Isolation Area

Table 15

Test arrangement for the parameter K.

Test conditions	l (cm)	d (cm)	K
6-1	60	90	0.67
6-2	60	70	0.86
6-3	60	50	1.20
6-4	100	70	1.43
6-5	140	90	1.56
6-6	180	90	2.00
6-7	180	70	2.57
6-8	140	50	2.80
6-9	100	30	3.33
6-10	180	50	3.60
6-11	140	30	4.67
6-12	180	30	6.00