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1、AppliedPhysics应用物理,2015,5(10),123-130PublishedOnlineOctober2015inHans.http://www.hanspub.org/journal/apphttp://dx.doi.org/10.12677/app.2015.510017ResearchProgressonSoilResistivityAffectingStrayCurrentCorrosionofBuriedPipelineQiongFeng1,YapingZhang1*,HaoYu1,L
2、ianqingYu1,YanLi21CollegeofScience,ChinaUniversityofPetroleum(EastChina),QingdaoShandong2CollegeofMechanicalandElectricalEngineering,ChinaUniversityofPetroleum(EastChina),QingdaoShandong*Email:zhangyp@upc.edu.cnthththReceived:Oct.12,2015;accepted:Oct.26,2015
3、;published:Oct.29,2015Copyright©2015byauthorsandHansPublishersInc.ThisworkislicensedundertheCreativeCommonsAttributionInternationalLicense(CCBY).http://creativecommons.org/licenses/by/4.0/AbstractUsingfour-electrodemethodtomeasuresoilresistivitycandecreaseth
4、einfluencecausedbynon-uniformityofsoilcompositions.Generally,soilresistivityisinverselyproportionaltothestraycurrentcorrosion.Factorswhichcanaffectsoilresistivitymaymakedifferencestostraycurrentcorrosion,suchaswatercontent,saltcontent,porosity,temperature,PH
5、valueofsoilandthetypesofsalt.Withinacertainrange,asthewatercontent,watersaturation,salinity,temperatureandporosityincrease,soilresistivitydecreasesandthenstraycurrentcorrosionaggravates.However,differenttypesofsalthavedifferentinfluencesonstraycurrentcorrosi
6、on.Thispaperanalyzeshowtheacidicsalt,alkalinesaltandthesaltcontainingCl−affectstraycurrentcorrosion,andputsforwardtheoutlookfortheresearchofcomplexsalttypes.KeywordsBuriedPipeline,StrayCurrentCorrosion,SoilResistivity,EnvironmentalFactors土壤电阻率对埋地管道杂散电流腐蚀影响的研
7、究进展11*112封琼,张亚萍,余豪,于濂清,李焰*通讯作者。文章引用:封琼,张亚萍,余豪,于濂清,李焰.土壤电阻率对埋地管道杂散电流腐蚀影响的研究进展[J].应用物理,2015,5(10):123-130.http://dx.doi.org/10.12677/app.2015.510017封琼等1中国石油大学(华东)理学院,山东青岛2中国石油大学(华东)机电工程学院,山东青岛*Email:zhangyp@upc.edu.cn收稿日期:2015年10月12日;录用日期:2015年10月26日;发布日期:2015
8、年10月29日摘要用四电极法测量土壤电阻率能减小因土壤组成的不均匀性而产生的影响,一般认为土壤电阻率与杂散电流腐蚀成反比关系。土壤电阻率的影响因素如含水量、含盐量、孔隙率、温度、土壤PH值及盐分类型等会对杂散电流腐蚀程度产生一定的影响。在一定范围内,土壤电阻率随着含水量、饱和度、含盐量、温度、孔隙率的增大而减小,杂散电流腐蚀也会随之加剧。而不同盐分类型对杂散电流腐蚀程度产生的影响将会不