Mathematical Problems in Engineering / 2018 / Article / Tab 5

Research Article

Optimal Design of Submarine Pipelines by a Genetic Algorithm with Embedded On-Bottom Stability Criteria

Table 5

Soil properties.

ParameterScenario 1Scenario 2
0–300 m300–1800 m

TypeSandSandClay
Pipe-soil friction coefficient ()0.70.60.2
Dry unit soil weight ()--18000 N/m3
Submerged unit soil weight ()13500 N/m313500 N/m3-
Undrained clay shear strength ()--10000 N/m2