Page 167 - 《水资源与水工程学报》2025年第1期
P. 167

!36 "!1 #                         & ' ( ) & * + , -                               Vol.36No.1
               2025 $ 2 %               JournalofWaterResources&WaterEngineering                 Feb.,2025

            DOI:10.11705/j.issn.1672-643X.2025.01.18


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                    Vibrationalcompactionprocessandeffectofthepavinglayerwith
                             blockstonefillersbasedondiscreteelementmethod

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                     XUPing ,HEJiaxiong,QIAOShifan,DONGHui ,CHENBin ,HOUWeiqi
                   (1.CollegeofCivilEngineering,XiangtanUniversity,Xiangtan411105,China;2.KeyLaboratoryofGeotechnical
                        MechanicsandEngineeringSafetyofHunanProvince,XiangtanUniversity,Xiangtan411105,China;
                              3.SchoolofCivilEngineering,CentralSouthUniversity,Changsha410075,China)
                 Abstract:Blockstonefillersarecommonlyusedforthepavinglayeroftheroad.Tostudythevibration
                 compactionprocessandeffectofthepavinglayerwithblockstonefillers,thevibrationcompactiontests
                 wereconductedbydiscreteelementmethodundertwoloadingconditionsof“slowsmallvibrationforce”
                 and“fastlargevibrationforce”.Theparticledisplacement,stressresponse,interparticlevoidratio,and
                 compactionprocessofblockstonefillersunderthetwoloadingconditionswerecomparedandanalyzed.
                 Theresultsshowthatincreasingthenumberofcompactionpassescansignificantlyincreasetheparticle
                 displacementandreducetheinterparticlevoidratio ,indicatingthatthesurfacesettlementrateofthe
                 pavinglayerhasastronglinearcorrelationwiththeinterparticlevoidratio.Theeffectofcompactionen
                 ergy(suchasparticledisplacement,reductiondegreeofvoidratio,peakdynamicstress,andincrement

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