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1、acom1-2008AcorrosionmanagementandapplicationsengineeringmagazinefromOutokumpuTheSuitabilityofDearReaderStainlessSteelsAlreadytheancientRomansrealizedthenecessityofhighqualityforRoadConstructionsroadsandotherinfrastructureforkeepingtheirempiretogether.Goodcommun
2、icationsareessentialpartsofacivilization,asexemplifiedbytheRomanroadsallaroundtheMediterranean,ortheIncatrailsinSouthernAmerica,bothconstructionsofwhichpartsarestillinusetoday,althoughthecivilizationswhooncebuiltthemhavelongsincepassedintothehistorybooks.Today’
3、sinfrastructureismaybenotdesignedtolastforthousandsofyears,butcarefulselectionofmaterials,makesitpossibletosignificantlyprolonglife-cyclesandtoreducemaintenance.Anotherimportantaspectistheamountofmaterialused.Withhigh-strengthleanduplexalternatives,itispossible
4、tosignificantlyreduceweightinbridgesandotherload-bearingconstructionsandtomakenewleanerdesigns.Sowhynotgoforalonglastingalternativeinleaninfrastructuredesign–thestainlessoption?Sincerely,ClaesOlsson,PhDAcomeditorwww.outokumpu.comacom
5、1-20082TheSuitabilityofStai
6、nlessSteelsforRoadConstructionsJanOlsson1,ArneBergquist1,AndersOlsson1,andBrorSederholm21.OutokumpuStainlessAB,P.O.Box74,SE-77422Avesta,Sweden2.SwereaKimabAB,P.O.Box55970,SE-10216Stockholm,SwedenAbstractTendifferentstainlesssteelgradeswereexposedfortwotofouryea
7、rsalongSwedishroadsrepresentingdifferentgeographicallocationsandclimateregions:north,middleandsouthofSweden,de-icingfrequencyandtrafficintensity.Thetestsiteshavecoveredopenroadsideswithcleaninginformofrainfall,shieldedroadsideswithoutrainfall,onbridgesandinatun
8、nel.Theexposuresincluderoadbridgescrossingelectrifiedrailwaysimplyinganeedforgroundingofrailingpoststotherebarweb.Thediscussionalsoincludesexaminationofstainlesssteelcomponentsafteruseintunnelenvironments,almosttwelveyearstestingoflampposts,andtheuseofstainless
9、steelforrebars.Alltestedstainlesssteelscanbeusedindependentoflocationforallcoveredapplica-tionsifsomesuperficialstainingcanbeaccepted,withtheexceptionoftunnelenviron-mentswh
