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
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