Study on Stress-Strain Characteristics of Pipeline-Soil Interaction under Ground Collapse Condition

Table 1

Pipeline parameters.

Pipeline	Diameter (mm)	Wall thickness (mm)	Density (kg/m^3)	Elastic modulus (GPa)	Poisson ratio	Internal pressure (MPa)	Minimum yield strength (MPa)
X80	1016	18.4	7850	207	0.3	8~14	555~675