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1、MechanisticComparisonofCementandBituminousStabilizedGranularBaseSystemsPreparedby:CurtisF.Berthelot,Ph.D.,P.Eng.:AssociateProfessor,DepartmentofCivilandGeologicalEngineering,UniversityofSaskatchewan,2A1157CampusDrive,Saskatoon,SK,(306)966-7009,berthelot@engr.usask.caBrentMarjerison,P.Eng.:Sa
2、skatchewanHighwaysandTransportation,2174AirportDrive,Saskatoon,SKCanadaS7L6M6(306)933-7088bmarjerison@highways.gov.sk.caGaryHouston,P.Eng.:McAsphaltIndustries,600ArcolaAvenue,Regina,SKCanadaS4P3C8(306)781-6960ghouston@mcasphalt.comJodyD.McCaig,E.I.T.:PSITechnologiesInc.,221JessopAvenue,Saska
3、toon,SKCanadaS7N1Y3(306)477-4090,jmccaig@pavesci.comStuWarrener:SaskatchewanHighwaysandTransportation,126105thStreetE,Saskatoon,SKCanadaS7N1Z3(306)933-5375swarrener@highways.gov.sk.caRockGorlick,P.Eng.:SaskatchewanHighwaysandTransportation,2174AirportDrive,Saskatoon,SKCanadaS7L6M6(306)933-52
4、25rgorlick@highways.gov.sk.caWordCount:2622TablesandFigures:14SubmittedTo:TransportationResearchBoardth86AnnualMeetingJanuary,2007TRB2007AnnualMeetingCD-ROMPaperrevisedfromoriginalsubmittal.Berthelot,Marjerison,Houston,McCaig,Warrener,Gorlick1ABSTRACTSaskatchewanDepartmentofHighwaysandTransp
5、ortation(DHT)areinvestigatingalternaterecyclingandstrengtheningsystemsforin-servicethingranularpavements.Thisresearchisbeingperformedinanattempttoimprovethegranularpavementstructuralintegrityandreducethedependenceonnewsourceaggregates.Thispapersummarizesthefindingsofapilotprojectinvestigatin
6、gthemechanistic-climaticlaboratorycharacterizationofthestudiedControlSectionHighway15-11(C.S.15-11)insiturecycledgranularbasestrengthenedwithfivealternatesystems:cement;asphaltemulsionwithandwithoutcement;andfoamedasphaltwithandwithoutcement.C.S.15-11insitugranularbasewasselectedasatypicalth
7、ingranularpavementrequiringstrengtheningbecauseitisrelativelyhighinfinesandfractionaswellasintermediateplasticclayfines.Thesetwophysicalpropertiesarebelievedtobethetypicalprimarycausesformarginalperformanceofgranularbasesinthefield.Thisresearchshow
