Influence and the Control of Shield Tunneling on Ancient Tower Vibration

Table 3

Vibration response of case 2 and case 3 under different construction parameters.

Driving velocity (mm/min)	Peak value of X-direction vibration velocity at point 6 (mm/s)
	Case 2	Case 3
8	0.123	0.183
4	0.065	0.093
2	0.034	0.039