Study on the Mechanical Response of a Dense Pipeline Adjacent to the Shallow Tunnel

Table 2

Physical and mechanical parameters of pipeline.

Designation	Density (kN/m^3)	Modulus of elasticity (MPa)	Poisson’s ratio	Diameter/side length (mm)	Thickness (mm)	Clearance distance (m)
PVC communication cable	13.8	3140	0.40	300	2	1.895
Cast iron pipe for water	73.4	1.2 × 10^5	0.25	800	11.7	1.725
Concrete sewage pipe	24	34500	0.20	500	50	0.725
Concrete rainwater pipe	24	34500	0.20	1500	150	1.005