Study on the Influence of Train Dynamic Load on underneath Tunnel Cast-in-Situ Concrete in Early Age

Table 3

Working conditions.

Condition	Computing parameters		Invariant parameter
1	Buried depth	3 m	Train speed: 80 km/h, cross angle: 67.5°, rock level: V
2		4.5 m
3		6 m
4		8 m
5		10 m
6		12 m
7		15 m
8	Train speed	40 km/h	Buried depth: 6 m, cross angle: 67.5°, rock level: V
9		60 km/h
10		80 km/h
11	Cross angle	0°	Buried depth: 6 m, train speed: 80 km/h, rock level: V
12		22.5°
13		45°
14		67.5°
15		90°
16	Rock level	III	Buried depth: 6 m, train speed: 80 km/h, cross angle: 67.5°
17		IV
18		V