【英文标准名称】:Cathodicprotectionofburiedorimmersedmetallicstructures-Generalprinciplesandapplicationforpipelines
【原文标准名称】:埋于土内或浸于液体的金属结构的阴极保护.管道应用和一般原则
【标准号】:BSEN12954-2001
【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】:水下;结构;海水;地下;金属;防腐蚀;管道;阴极保护;水下建筑物
【英文主题词】:
【摘要】:ThisEuropeanStandardspecifiesthegeneralprinciplesfortheimplementationofasystemofcathodicprotectionagainstcorrosiveattacksonburiedorimmersedmetalstructureswithandwithouttheinfluenceofexternalelectricalsources.NOTE1TheprotectionagainststraycurrentfromdirectcurrentsysteminfluencesisdealtinprEN50162:2000.Thisstandardindicatesconditionsandparametersthatshouldbemettoachievecathodicprotectionaswellasrulesandproceduresthatshouldbefollowedfordesign,installation,commissioningandmaintenanceoftheprotectivesystems.NOTE2Clauses5to10dealmainlywiththecathodicprotectionofpipelinesbuttheyareapplicabletootherstructuresThisstandardisapplicabletoexternalsurfacesofburiedorimmersedstructures.Itisnotapplicabletotheprotectionofinternalpartsofstructurescontainingcorrosiveliquids.NOTE3ThisiscoveredbyprEN12499:1996.Whencathodicprotectionisnecessary,thisstandardisapplicabletostructurescoveredwithconcretewhicharethenburiedorimmersed.Itisnotapplicabletotheprotectionofsteelinreinforcedconcretewhichisburiedorimmersed.NOTE4ThisiscoveredbyEN12696Thisstandardisapplicableonlytothoseconstructionsinseawaterforwhichtheprotectivesystemswouldbeinstalledandcanbeinspectedonland.NOTE5Suchconstructionsinseawateraregenerallyofsmallerlength,whetherornottheyformapartofalargerundergroundnetwork.NOTE6Otherconstructionsinseawateraredealtwithinotherstandards,e.g.forsubmarinepipelinesseeEN12473.
【中国标准分类号】:A29
【国际标准分类号】:23_040_99;77_060
【页数】:34P;A4
【正文语种】:英语