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【船级社】 DNV-CG-0372.pdf
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【船级社】 DNV-CG-0372.pdf
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CLASS GUIDELINE
DNV-CG-0372 EditionAugust2021
Foundationandmountingofmachinery
ThecontentofthisservicedocumentisthesubjectofintellectualpropertyrightsreservedbyDNVAS(“DNV”).Theuser
acceptsthatitisprohibitedbyanyoneelsebutDNVand/oritslicenseestoofferand/orperformclassification,certification
and/orverificationservices,includingtheissuanceofcertificatesand/ordeclarationsofconformity,whollyorpartly,onthe
basisofand/orpursuanttothisdocumentwhetherfreeofchargeorchargeable,withoutDNV’spriorwrittenconsent.DNV
isnotresponsiblefortheconsequencesarisingfromanyuseofthisdocumentbyothers.
ThePDFelectronicversionofthisdocumentavailableattheDNVwebsitednv.comistheofficialversion.Ifthere
areanyinconsistenciesbetweenthePDFversionandanyotheravailableversion,thePDFversionshallprevail.
DNVAS
![](https://csdnimg.cn/release/download_crawler_static/88583024/bg2.jpg)
FOREWORD
DNVclassguidelinescontainmethods,technicalrequirements,principlesandacceptancecriteria
relatedtoclassedobjectsasreferredtofromtherules.
©
DNVASAugust2021
Anycommentsmaybesentbye-mailtorules@dnv.com
Thisservicedocumenthasbeenpreparedbasedonavailableknowledge,technologyand/orinformationatthetimeofissuanceofthis
document.TheuseofthisdocumentbyotherpartiesthanDNVisattheuser'ssolerisk.Unlessotherwisestatedinanapplicablecontract,
orfollowingfrommandatorylaw,theliabilityofDNVAS,itsparentcompaniesandsubsidiariesaswellastheirofficers,directorsand
employees(“DNV”)forprovedlossordamagearisingfromorinconnectionwithanyactoromissionofDNV,whetherincontractorintort
(includingnegligence),shallbelimitedtodirectlossesandunderanycircumstancebelimitedto300,000USD.
![](https://csdnimg.cn/release/download_crawler_static/88583024/bg3.jpg)
CHANGES–CURRENT
ThisdocumentsupersedestheJuly2019editionofDNVGL-CG-0372.
Thenumberingand/ortitleofitemscontainingchangesishighlightedinred.
ChangesAugust2021
Topic Reference Description
RebrandingtoDNV All ThisdocumenthasbeenrevisedduetotherebrandingofDNV
GLtoDNV.Thefollowinghavebeenupdated:thecompany
name,materialandcertificatedesignations,andreferencesto
otherdocumentsintheDNVportfolio.Someofthedocuments
referredtomaynotyethavebeenrebranded.Ifso,pleasesee
therelevantDNVGLdocument.Notechnicalcontenthasbeen
changed.
Editorialcorrections
Inadditiontotheabovestatedchanges,editorialcorrectionsmayhavebeenmade.
Changes-current
Classguideline—DNV-CG-0372.EditionAugust2021 Page3
Foundationandmountingofmachinery
DNVAS
![](https://csdnimg.cn/release/download_crawler_static/88583024/bg4.jpg)
CONTENTS
Changes–current.................................................................................................. 3
Section1General....................................................................................................5
1Objective..............................................................................................5
2Scope................................................................................................... 5
3Application...........................................................................................5
Section2Principlesandrecommendationsforfoundationandmounting............... 6
1Generalrequirements.......................................................................... 6
2Rigidmounting.................................................................................... 6
3Resilientmounting...............................................................................8
Section3Basiccalculations.................................................................................. 10
1General.............................................................................................. 10
2Calculationoftherequiredminimummatingsurfaceofcastresin
chocks...................................................................................................11
3Calculationofpreloadingforceexertedononefoundationboltby
tightening............................................................................................. 11
4Calculationoftighteningtorqueoffoundationboltifusinga
torquewrench...................................................................................... 11
5Calculationofhydraulicpressureifusinghydraulictensiondevice.... 11
6Calculationofboltelongationonbasisofpre-loadingforce...............11
7Alternativetorequiredelongation.....................................................12
8Calculationofequivalentand/ortensilestressrelatedtothe
minimumshankdiameteroffoundationboltonbasisofpre-loading
force..................................................................................................... 14
9Calculationoftensilestressrelatedtothreadrootdiameterof
foundationboltonbasisofpreloadingforce........................................ 14
AppendixAExamplesforfoundations...................................................................15
1Foundationbolts................................................................................15
2Enginefoundationarrangements.......................................................17
3Propulsionplantarrangement........................................................... 22
4Rigidmounting-details.................................................................... 24
5Steeringgear..................................................................................... 32
6Thrusterfoundationarrangement......................................................35
7Resilientmountarrangement............................................................ 37
Changes–historic................................................................................................39
Contents
Classguideline—DNV-CG-0372.EditionAugust2021 Page4
Foundationandmountingofmachinery
DNVAS
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SECTION1GENERAL
1Objective
Theobjectiveofthisguidelineistoprovideguidanceandbestpracticesforfoundationandmountingof
machinerycomponents.
2Scope
Theguidelineprovidesacceptancecriteria,calculationproceduresandillustrationsofacceptable
arrangementsforfoundationandmountingofmachinerycomponents.
3Application
Theguidelinemaybeappliedforalltypesofmachineryandequipment.
Section1
Classguideline—DNV-CG-0372.EditionAugust2021 Page5
Foundationandmountingofmachinery
DNVAS
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