Computer-Aided Analysis of Small Clear Space Intersection Tunnel and Heavy Load Railway Surrounding Rock Structure Dynamic Response Characteristics Analysis under Intelligent Manufacturing

Table 3

Influence of different train speeds on the division of track direction.

Train speed (km/h)	Influence zone
	Destruction zone	Strong influence zone (W)	Weak impact zone (W)	Unaffected zone (W)
260	—	0∼0.67	0.67∼1.4	>1.4
230	—	0∼0.87	0.87∼1.6	>1.6
360	0∼0.27 W	0.27∼1	1∼1.8	>1.8