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

Table 2

Material parameters of the surrounding rock model.

Class V surrounding rock	Prototype	Model
Severe	17–20	17–20
Deformation modulus	1000–2000	50–100
Poisson’s ratio	0.35–0.45	0.35–0.45
Internal friction angle	20–27	20–27
Cohesion	50–200	2.5–10