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

Table 4

The effect of different clear distances on the area division along the track.

Clear distance (m)	Influence zone
	Destruction zone	Strong influence zone	Weak impact zone (W)	Unaffected zone (W)
5	0∼0.27 W	0.27∼0.67 W	0.67∼1.8	>1.8
10	—	0∼0.87 W	0.87∼1.6	>1.6
15	—	0∼0.73 W	0.73∼1.6	>1.6
20	—	—	0∼1.13	>1.13