沥青船 技术 规格书 船舶Word下载.docx
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2.2.1General6
2.2.2Shellpanels7
2.2.3Maindeckwithstiffening7
2.2.4Bulkheadswithstiffening7
2.2.5Sternframesection7
2.3ENGINEAREA8
2.3.1General8
2.3.2Shellpanels8
2.3.3Bottomstructure8
2.3.4Maindeckwithstiffening9
2.3.5Decks,bulkheads,platformsandtanks9
2.3.6Machinerycasing9
2.4CARGOAREA9
2.4.1General9
2.4.2Shellpanels10
2.4.3Bottomstructure10
2.4.4Maindeckwithstiffening10
2.4.5Transversebulkheadswithstiffening10
2.4.6Longitudinalbulkheadswithstifeening11
2.4.7Wingballasttanks11
2.4.8Independentcargotanks11
2.5FOREBODY11
2.5.1General11
2.5.2Shellpanels12
2.5.3Bottomstructure12
2.5.4Bulkheadsanddecksabovemaindeck12
2.5.5Maindeckwithstiffening12
2.5.6Bulkheadsanddecksbelowmaindeck13
2.5.7Chainlockers13
2.6DECKHOUSESANDSUPERSTRUCTURES13
2.6.1Forecastle13
2.6.2Poopanddeckhouse13
2.6.3Cargoequipmentdeckhouse14
2.6.4Walk-Way14
2.7HULLOUTFITTING14
2.7.1Hullandhousemarkings14
2.7.2Bottomplugsandseachests16
2.7.3Foundations17
2.7.4Bilgekeelsandfender17
2.7.5Bulwarks,gutterbarsandbreakwaters18
2.7.6Funnels18
2.8MATERIALPROTECTION19
2.8.1General19
2.8.2SurfacePreparation20
2.8.3PaintApplication21
2.8.4Inspection22
2.8.5FilmThickness23
2.8.6Methodofmeasurement23
2.8.7MaterialProtectionGuarantees24
2.8.8Paintingschedule24
2.8.9Galvanisingandmetallising25
2.8.10Cathodicprotection26
2HULL
2.1HULLMATERIALS,GENERALHULLWORK
2.1.1.General
Thevesseltobeofallweldedconstructionandtobebuiltofmildnormalsteel.
Thevesseltobeinconformitywithapprovedclassificationdrawings.
ScantlingsofhullandsuperstructuretobeinaccordancewiththerequirementsoftheClassificationSociety,andwherenotspecified,thescantlingstobeincompliancewiththeYard'
spracticesubjecttoOwner'
sapprovalofdrawings.
Continuityoflongitudinalstrengthtobemaintainedasfaraspracticable.
Allsteelworkshallbefullscantlingwithnoreductionforcoatingallowancesorcorrosioncontrol.
Thestructuraldesignofthehulltobemadetoavoidstressconcentrationsandtokeepstresslevelsaslowaspossiblewithoutincreasingscantlings.
IfextrathicknessandspecialmaterialsthatexceedrequirementsoftheClassificationSocietyandarenotspecifiedinthisspecificationarerequiredbytheOwner,theyaretobeacceptedbytheYardsubjecttoextracost,deadweight,adjustmentandconcernedmatters,solongastheworkdoesnotdelaytheYard'
sworkingschedule.
Allcargoandballasttanksshallbestrengthenedforpartiallyloadedcondition,wheresloshingeffectsareconsidered.
Steelconstructioningeneral
Thehullstructuretobeadequatelystrengthenedandlongitudinalhullbucklingstrengthtobesufficientwithregardtowaveandimpactforces,includingconsiderationofbucklingforcesandloadsimposedontheupperdeckandsides.
Specialconsiderationtobegivenwithregardtoplatequalityandthickness,andadditionalstrengtheninginwayofrecessesandopeningsinthesideshellandstrengthdecks.(i.e.Shellplatingtobestrengthenedinwayofanchorrecesses,seachests,drainplugsetc.)Nodoublerstobeused.
Doublingplatesbelowallsoundingpipes.
Doublingplatesbelowallsuctionbellmouthsforballastpipingatbottomplates.Thicknessabout12mm.
Cut-outsinstrengthmembersforcablingandpipingetc.,shallbefittedwithstiffenersforstrengthcompensation,andtheedgesshallbegroundedsmooth.
Edgeofallmanholesandlighteningholestobegroundsmoothlyalso.
Allopeningsinshell,maindeck,innerbottom,mainbulkheads,etc.,shallhaveroundedcorners.
Inalltanksparticularcaretobegiventoprovidegooddrainageinordertogetefficientpumpoperation.
Slots,notches,airanddrainholestobeprovided.
Accessholesmaybetemporarilyprovidedinshell,decks,bulkheadsetc.forconvenienceofworking,andtobecompletelyclosedandrepairedinplacebywelding,subjecttoclassandOwner'
sapproval.Temporaryaccessholestobenotopenedatshearstrakeandstringerstrake.
Clipsforstaging,brackets,liftingeyes,etc.requiredforconstructionpurposes,toberemovedandscarsgroundeddownandundercutbuiltuppriortogritblastingandcoating.
ScantlingCriteria
ScantlingsofhullandsuperstructuretobeinaccordancewiththerequirementsoftheClassificationSociety.
MidshipSectionModulusandMomentofInertiatobebasedonthemostseveresaggingandhoggingmomentsforthefollowingconditions:
∙Minimumclassrequirement
∙Homogenousloadeddep./arr.conditions
∙