【英文标准名称】:Cathodicprotectionforsteeloffshorefloatingstructures
【原文标准名称】:近海浮式钢制结构件的阴极保护
【标准号】:BSEN13173-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-06-15
【实施或试行日期】:2001-06-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:海工建筑物;海水;近海建设工程;浮式建筑物;水下建筑物;阴极保护;防腐蚀;钢
【英文主题词】:
【摘要】:ThisEuropeanStandarddefinesthemeanstobeusedtocathodicallyprotectthesubmergedmetallicsurfacesofsteeloffshorefloatingstructuresandappurtenancesinseawaterandsalinemud.1StructuresThisEuropeanStandardcoversthecathodicprotectionoftheexternalsurfaceofoffshorefloatingstructureswhicharestaticduringtheirusualoperatingconditions.Thisessentiallyincludes:barges,jack-ups,semi-submersibleplatforms,storagetankers,buoys,etc.Italsocoversthesubmergedareasofappurtenances,suchaschains,attachedtothestructure,whenthesearenotelectricallyisolatedfromthestructure.Itdoesnotcoverthecathodicprotectionofships,fixedoffshorestructures,elongatedstructures(pipelines,cables)orharbourinstallations,whicharecoveredbyotherstandards.ThisEuropeanStandardconcernsonlythecathodicprotectionofexternalsurfacesimmersedinseawater,includingseachestsandwaterintakesuptothefirstvalve.ThisEuropeanStandarddoesnotincludetheinternalprotectionofsurfacesofanycomponentssuchasballasttanksandhullinternalsoffloatingstructures.2MaterialsThisEuropeanStandardcoversthecathodicprotectionofstructuresfabricatedprincipallyfrombareorcoatedcarbonmanganesesteelsAssomepartsofthestructuremaybemadeofmetallicmaterialsotherthancarbonmanganesesteels,thecathodicprotectionsystemshouldbedesignedtoensurethatthereisacompletecontroloveranygalvaniccouplingandminimiserisksduetohydrogenembrittlementorhydrogeninducedcracking(seeEN12473).ThisEuropeanStandarddoesnotcoverconcretestructures.3EnvironmentThisEuropeanStandardisapplicableforthewholesubmergedzoneinseawater,brackishwaters,salinemudwhichcannormallybefoundwherethefloatingstructureisanchored,mooredormoving.ThisEuropeanStandardisalsoapplicabletoappurtenanceswhichmaybeincontactwithmuds(e.g.chains).Forsurfaceswhicharealternatelyimmersedandexposedtotheatmosphere,thecathodicprotectionisonlyeffectivewhentheimmersiontimeissufficientlylongforthesteeltobecomepolarised.4SafetyandenvironmentprotectionThisEuropeanStandarddoesnotcoversafetyandenvironmentalprotectionaspectsassociatedwithcathodicprotection.Therelevantnationalorinternationalregulationsshallapply.
【中国标准分类号】:A29
【国际标准分类号】:47_020_05;77_060
【页数】:28P;A4
【正文语种】:英语