Mathematical Problems in Engineering / 2018 / Article / Tab 4

Research Article

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

Table 4

Pipeline properties.

ParameterScenario 1Scenario 2

Outside diameter (OD) 323.85 mm/ in457 mm/18 in

Wall thickness 19.05 mm/ inDepth (m)Thickness
0–30017.5 mm/ in 
300–80019.1 mm/ in 
800–119022.2 mm/ in
1190–153525.4 mm/1 in
1535–180028.6 mm/ in 

Steel specific weight 77000 N/m3

Corrosion coating ThicknessSpec. weight (N/m3)
Thickness ()76 mm/3 in0.15 mm/0.006 in14126.4
0.20 mm/0.008 in8829
Spec. weight ()8826 N/m33.65 mm/ in8829
48 mm/ in8829