道路石油沥青技术指标分析Technical index analysis of road petroleum asphaltdoc.docx

道路石油沥青技术指标分析Technical index analysis of road petroleum asphaltdoc.docx

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道路石油沥青技术指标分析Technicalindexanalysisofroadpetroleumasphaltdoc

道路石油沥青技术指标分析（Technicalindexanalysisofroadpetroleumasphalt）

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First（total163rd）February2004RoadEngineering

ShanxiScience&TechnologyofCommunications

SHANXISCIENCEGYOFCOMM&TECHNOLOUNICATINSO

No.1.Feb

Analysisofroadasphalttechnicalindex

YuWenjing,ZhangXiaoyan,KongFansheng

（ShanxiTransportationResearchInstitute,ShanxiTaiyuan030006）

Inrecentyears,China'shighwayconstructionasthecenter（bytheendof2003thenationalhighwaymileagewillreach30thousandkm）,toobtaintherapiddevelopmentofhighwayconstruction,highwayasphaltdemandisincreasingyearbyyear,the2002nationalroadasphaltdosageis8million200thousandT,thedomesticheavytrafficasphaltasphalt4million600thousandT,1million400thousandT,importedasphaltcontent2million200thousandT,the2003nationalroadasphaltamountwillbemorethan9millionT.RoadasphalttechnicalrequirementsoftheMinistryofCommunicationsthepromulgationandimplementationofthe""（hereinafterreferredtoasthe"newstandard"）istoimprovetheasphaltqualitystandardsforthecorrectunderstandingofthe"newstandard"ofasphalttechnicalindicators,analysisresearchisnecessary.

Thequalityfactorsofusing1decisionofroadasphalttechnicalindexesofthe1.factorsand1.1road1.1loadfactor

Withtheincreaseofloadingtheincreaseoftrafficvolumeandaxleload,inordertoreducethepavementfatiguedamageofpavement,requiretheuseofreasonableconsistency,asphaltmaterialcohesionandbetterviscoelasticity.Inthetraditionaltechnicalindexesofasphalt,penetrationandductilityunderdifferenttemperatureconditions,thewaxcontentprojectreflectsontheadaptabilityofasphaltloadfactors.1.1.2temperaturefactorsofasphaltpavementunderdesignloadathightemperature,noplasticflow（upheaval,CheZhe）,lowtemperaturedoesnotproducethermalshrinkagecrackandthermalfatiguecracking.Inthetraditionalasphalttechnologyindex,rutindexofsofteningpoint,viscosity,60DEGCthroughtheasphaltasphaltmixtureofasphaltpropertiesreflecttherequirementsofhightemperature;theasphaltbrittlepoint,waxcontent,asphaltmixture

Receiveddate:

2003212201yuan;

Author:

YuWenjing（1937-）,male,JiangsuNanjingpeople,technicaladviser,in1955graduatedfromtheNanjinghighwayengineeringschool,1967graduatedfromtheXi'anhighwayZhangXiaoyan（1970-）,female,ShanxiWuzhai,deputydirector,seniorengineer,in1992graduatedfromtheXi'anInstituteofhighway;hole（1977-）,male,prosperousShanxiJiexiu,assistantengineer,in2000graduatedfromtheXi'anhighwayuniversity.

1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.

Abstract:

roaduserequirementsandtheproductionprocessofcrudeoilandbitumenqualityisanimportantfactortodeterminethetechnicalindexesofasphalt.AccordingtothecomparisonoftestdatainChinahavebeencarriedout,toinvestigatethedifferencesbetweenthetechnicalindexofroadasphaltathomeandabroad,analysisofChina'snew"roadasphalttechnicalrequirements"rationality.Keywords:

asphalt;technicalindex;

Classificationanalysis:

U414.75documentcode:

Aarticlenumber:

100623528（2004）0120001205

Thelow-temperaturebendingstrainindextoreflecttherequirementsoflow-temperatureperformanceofasphalt;penetrationindexPIreflectedbythetemperaturestabilityoftheasphaltmaterial;throughtherelationshipbetweenasphaltgradingandclimaticzoningreflectschangesintemperaturerangeofasphalttechnicalindicators.1.1.3differenttypesofpavementstructure,pavementstructurefactorshavedifferentstressstateandformingmechanism.Withtheincreaseofsurfacelayermixturedesignairvoids（opengradedOGFCdesignofvoidratioisgreaterthan18%）,requirementsofasphaltadhesiveforce（60Cviscosity）stronger,softeningpoint,viscosityandadhesionofhigher.1.4factorsand1.waterinordertoavoidtheeffectofwaterdamageofasphaltpavement,thepavementshouldmeettherequirementsofoveralldensewaterrequirements,andtheadhesionofasphaltandaggregategrade,mixturestrengthafterimmersionandfreeze-thawsplittingtest,immersionruttingtestofasphaltfilmfallingindextoensurethewaterstabilityofasphaltmaterials.Aged1.1.5constructionandtheuseofasphaltasphaltheatingfactorsandmixedtemperatureofmixtureandconstructionof160to165DEGC,sothetechnicalindexesofasphaltinaseriesof163CandH（TFOT）filmheatingagingcharacterizationofasphaltmaterialsafterthepossibilityofasphaltsamplerelatedtechnologyindicatorsofthe5.Theasphaltmaterialusedinaginginteractionwithair,ultraviolet,water,mainlyaffecttheasphaltpavementsurface,thetraditionalasphalttechnicalstandardsarenotincludedintherelevantindicators,theAmericanPGstandardcolumnpressureaging（PAV）testproject.Suitableforroadasphalt1.2factorsofcrudeoilrefiningcrudeoilquality,usuallycontainingalkylandring

2?

Shanxitrafficscienceandtechnologyin2004first

1.3asphaltproductionprocessfactors1.3.1distillation

Intermediatebasecrudeoilwaxcontentislow,inrecentyearsinChinawithanannualoutputofabout160millionTcrudeoil,crudeoilimportsofabout40millionT,whichmadetheoilsourcepropertiessuitableforproductionofroadasphaltaslistedintable1.

Table1Chinasuitableforroadasphaltproductionofcrudeoilismainlythenatureoftheprojectdensity（20C）g?

Cm3viscosity（50C）mm2?

S-1mKOHacidG?

?

G-1pointCchar%ash%penetrationpointCsaturatesaromatics%%%%asphaltenecolloidalwaxthecontentofsulfurcontent%%ammoniacontent%KaramayLiaoheoilfield（Jiangsu,urShanjiasiBohaiSui（HuanXiling）redmouth,36-1nine0.9620.9410.9750.9598339.65631area）653.55433.124.643.611391321761447.517.0412.48.980.0240.0580.3850.019-19-20-12-235.325.237.918.722.821.441.50.491.841.951.51.421.852.780.240.340.310.130.42

Thechemicalcomponentsoftheappropriatecrudeoildistillationdistillationreducedpressuredirectly（straightasphalt）.Roadasphaltproductionqualified1.3.

2oxidationmethodafterdistillationresidueorsoftasphalt,byblowingair,adjusttheasphaltcolloidstructureandcomposition,tomeettherequirementsoftechnicalstandards.1.the3.3solventremovalmethodusinglightoilasphaltandreducingsolventfromthewaxcontent,toproducequalifiedasphalt.

The1.and3.4harmonicmethod

Throughdifferentcrudeoilorcrudeoilprocessingproductdeployment,changeofasphaltcomponent,whichmeettherequirements.Intheabove4kindsofproductionprocess,theproductionofasingledistillationprocessofasphalt,thegenerallowcost,stableperformance.Themainasphaltrefineryasphaltinourproductionprocess,productioncapacityandoilconditionsaslistedintable2.

HeavytrafficasphaltproductioncapacityofTmillionofcrudeoilimports40crudeoilimports30crudeoilimports10inHuanxilingoilmixtureof80crudeoilimports60Xinjiang,30XinjiangChangqingOilNo.0,No.nineandKaramayNo.0XinjiangDistrict130heavycrudeoil10LIN-SHANGcrudeoil10,oil25,JinzhouorimulsionoilBohaiOil30,BohaiOrimulsionOil30Bohai150BohaiSuizhongSuizhongoil36-oil36-170BohaiSuizhong120BohaiSuizhongoil36-oil36-150565rawmaterials

Table2thedomesticproductionofheavytrafficasphaltrefineryplantintrademarkproductionprocessofdistillation,distillation,oxidation,oxidationofsolventdistillation,distillation,oxidationandoxidationdistillationdistillation,oxidation,solventdistillation,oxidationdistillationanddistillation,oxidation,oxidation,andsolventdistillation,distillation,oxidationandoxidationdistillation,oxidationdistillation,distillation,oxidation,oxidation,oxidationandoxidationdistillationdistillation

QiluShengliRefineryofQiluPetrochemicalIndustriesCoMaomingPetrochemicalCorefineryofNanhaipetrochemicalplantinGuangzhoupetrochemicalplantofLiaohePetroleumExplorationBureauofHuanxilingoilchemicalplantintheEastChinaSeaLanzhouZhenhaiRefineryflyingXinjiangPetroleumManagementBureauofKaramayrefinerypterosaurDushanzirefineryrefineryofGuangdongpetroleumJi'nanTianshanrichfuelcompanyrichJiangyinHingHingasphaltplantQinhuangdaopetroleumchemicalplantdeerbrandPanjinnorthernasphaltCo.Ltd.,CNOOCLtd.QingdaoGuangyuanfathoroughfareasphaltasphaltplantinTaizhoupetrochemicalplantinBinzhouchemicalplantinthetotal

1.4asphaltmodificationfactors

Withtherapiddevelopmentofthetechnologyofasphaltpavement,inordertomeettheneedsofheavyload,environmentalprotectionandtrafficsafety,opengraded,semiopengradationasphaltlayer,applicationlayerwear,requirementsofasphalthasstrongercohesionandadhesion,andhavebettertemperaturestability.Theasphaltmaterialsinglehasbeenunabletomeettheneedsofthedevelopmentofmodifiedasphaltmodifiedasphaltapplicationgenerallyincreased,technicalindicatorsnotonlyincreasedtheadhesion,toughness,elasticrecoverytestitems,softeningpoint,viscosityandductilityatlowtemperatureof60DEGCandotherindicatorsshouldbeasubstantialadjustment,heatagingconditionsfrom163DEGC5,hto185DEGC,2.5h.Chemicalcompositionofbitumenmodificationeffectdependsonthematrixasphaltandmodifierandcompatibility,andrelatedcontentand