Mechanical Response and Parametric Sensitivity Analyses of a Drainage Pipe under Multiphysical Coupling Conditions

Table 7

Effect of groundwater on the tensile stress at the springline of the bell and the radial displacement of the crown (invert).

	Traffic load		Pipe fluid		Coupled		Groundwater
	Stress (MPa)	Displacement (mm)	Stress (MPa)	Displacement (mm)	Stress (MPa)	Displacement (mm)	Stress (MPa)	Displacement (mm)
Value	0.93	2.54	0.74	2.32	0.60	1.81	0.46	1.57
(%)	50.5	38.1	37.8	32.3	30.4	13.2	—	—