A Numerical Study of the Screening Effectiveness of Open Trenches for High-Speed Train-Induced Vibration

Table 2

Parameters for numerical analysis.

Purpose of analysis	Fixed parameters			Varying parameters
Influence of trench depth 𝐻	𝑊	𝐿	𝑉	𝐻
	1 m	10 m	300 km/h	2 m, 3 m, 5 m
Influence of trench width 𝑊	𝐻	𝐿	𝑉	𝑊
	3 m	10 m	300 km/h	1 m, 2 m, 4 m
Influence of source distance 𝐿	𝑊	𝐻	𝑉	𝐿
	1 m	3 m	300 km/h	10 m, 15 m, 17.5 m, 20 m
Influence of train speed 𝑉	𝑊	𝐻	𝐿	𝑉
	1 m	3 m	10 m	180 km/h, 225 km/h, 300 km/h