SHRP-91-507 The effect of the physical and chemical characteristics of the aggregate on bonding

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1、SHRP-A/UIR-91-507TheEffectofthePhysicalandChemicalCharacteristicsoftheAggregateonBondingA.R.TarrerVinayWaghAuburnUniversityAuburn,AlabamaStrategicHighwayResearchProgramNationalResearchCouncilWashington,D.C.1991SHRP-A/UWP-91-510ContractA-003BProductCode1010,1013ProgramManager:EdwardT.

2、HarriganProjectManagers:JackS.Youtchef_,IanJamiesonProgramAreaSecretary:JulietNarsiahFebruary1991ReprintedDecember1993keywords:antistrippingagentsasphaltadhesionasphaltabsorptionasphaltstrippingbondstrengthsCKEfattyamineshydratedlimeironnaphthenateporesizedistributionsporosityspontan

3、eousemulsificationwaterabsorptionweatheringStrategicHighwayResearchProgramNationalResearchCouncil2101ConstitutionAvenueN.W.Washington,DC20418(202)334-3774Thismanualrepresentstheviewsoftheauthorsonly,andisnotnecessarilyreflectiveoftheviewsoftheNationalResearchCouncil,theviewsofSHRP,or

4、SHRP'ssponsor.TheresultsreportedherearenotnecessarilyinagreementwiththeresultsofotherSHRPresearchactivities.Theyarereportedtostimulatereviewanddiscussionwithintheresearchcommunity.50/NAP/1293AcknowledgmentsTheresearchdescribedhereinwassupportedbytheStrategicHighwayResearchProgram(SHR

5、P).SHRPisaunitoftheNationalResearchCouncilthatwasauthorizedbysection128oftheSurfaceTransportationandUniformRelocationAssistanceActof1987.oo°111TABI.I_.OFCON'mNTSObjective..........................................................1Introduction...........................................

6、.............1MechanismsofStripping..............................................2Detachment.....................................................2Displacement....................................................3SpontaneousEmulsification..........................................3PoreP

7、ressure....................................................4HydraulicScouring................................................4DependenceofAsphalt-AggregateBondStrengthonAggregateCharacteristics......5EffectofAsphaltAbsorptionbyAggregatesonStripping......................6AggregatePore

8、-SizeDistrib