Page 153 - 《水资源与水工程学报》2023年第2期
P. 153

!34 " ! 2 #                       & ' ( ) & * + , -                               Vol.34No.2
               2023 $ 4 %               JournalofWaterResources&WaterEngineering                 Apr.,2023

            DOI:10.11705/j.issn.1672-643X.2023.02.19


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                 GHIJK:TV42;TV431 .5   LMNOP:A    LQRK:1672643X(2023)02014908
                         Keypropertiesofhydraulicgraniteasphaltconcretepanels

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                                                       1
                           CHENChen,WANGYaping,JIAOKai,LISheng,ZHANGJintao
                     (1.SinohydroBureau3rdCo.,Ltd.,Xi’an710024,China;2.SchoolofArchitectureandCivilEngineering,
                                   Xi’anUniversityofScienceandTechnologly,Xi’an710054,China)
                 Abstract:Topromotetheapplicationofacidaggregatesinhydraulicasphaltconcretepanels,theeffects
                 ofdifferentacidaggregatesandasphaltviscosityenhancementschemesonthekeypropertiesofasphalt
                 concretepanelswerestudied ,andtheoptimalacidaggregateandasphaltviscosityenhancementscheme
                 wereevaluatedcomprehensivelyusingthevariationcoefficientTOPSISmethod.Theresultsshowedthat
                 allfivedifferentviscosityenhancementschemesimprovedthewaterdamageresistanceofthegraniteas
                 phaltconcretetodifferentdegrees ,andthewaterstabilitycoefficientandslopeflowvalueallmetthe
                 specificationlimits.Accordingtotheanalysisoftheeffectofwaterdamageonvariouspropertiesofas
                 phaltconcrete ,thecompressivestrengthwastheleastsensitivetowaterdamage,whereastheflexural
                 strainandslopeflowvaluewerethemostsensitive.VariationcoefficientTOPSIScomprehensiveevalua
                 tionresultsshowedthatlimestoneasphaltconcretehadtheoptimalcomprehensiveperformance ;theaddi
                 tionofantispallingagentcouldincreasetheresistanceofgraniteasphaltconcretetowaterdamageby
                18% ~25% whichwasoptimalforincreasingtheadhesionbetweentheaggregateandtheasphalt ,but
                 nonamineantispallingagentcouldleadtoalargerdeformationoftheasphaltconcrete.Therefore,the
                 subsequentstudyoftheapplicationofacidaggregatesinasphaltconcretepanelsshouldfocusonitsde
                 formationperformance.
                 Keywords:hydraulicasphaltconcrete;panel;acidaggregate;viscosityenhancementmeasure;varia
                 tioncoefficientTOPSISmethod






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