design considerations for aluminum hull structures - Ship Structure ...

GaseNumber. . . -.,- .TABLE 27 Comparison of Steel and Hlwm!.m Bulk LarrlersShip Life(Years)No. of ShipsPurchasedS%ruckure~faterialRoumd VoyageDistance( Cti2tanCQP ClasAnnual GargoCarried-L.T.1)2)3)4)5)6)7)8)9)1o)11)12)13)14)15)16)17)18)19)20)21)22)23)24)25)26)27)28)29)30)31)32)33)34)35)%)202020202020252525.252525’30303030303020202020202025’2525252525;:3030303015’1015’105’10;105105107.5105101510510SteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelAluminumAluminumAluminumAluminumAluminumAluminumAluminumAluminumAluminumAluminumAluminumAluminumAluminumAluminumAluminumAluminumAluminumAluminum14,30014,30014,3002~,3;O25’,3Io2~,31014,30014,30014,30025,3102s,3102S,31o14,30014,30014,30025’,3102s,31025’,3I0!4,30014,30014,3002s,31o2s531o2g,31014,30014,300IL,3002S,3102S,31o2s,310lh,30014,300lh,30Q2s,3702s,31o2s,31o514,1015!14,1015’14,101309,646309,6116309,61J6.5’12,816572,816.5’12,816308,872308,872308,872512,8165’12,816512,816308,872308,872308,872533,759533;759533,759325;688325,688325,688533,759533,7595’33,759325,688325,688325,688533,759533,759533,759325,688325,688325,688+ ShipTrice + Ownerls Invest. Costs - Salvage Value