Page 168 - 《水资源与水工程学报》2025年第1期
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ofstaticsoilpressure)decreasesrapidlywiththeincreaseofthedepth.Thecompactionenergymainly
propagatesintheverticaldirection,sothepavinglayercanbedividedintothreezonesalongthedepth,
namely,themaincompactionzone,thesecondarycompactionzone,andtheweakinfluencezone.The
contentoflargesizedblockstoneparticlessignificantlyaffectsthecontactstructurecharacteristics ,there
byinfluencingthecompactioneffectandcompactionprocess.Thecompactionprocessofblockstonepar
ticlesismanifestedasthecombinedeffectsofsqueezingcompaction ,movingcompaction,andfilling
compaction.Underthecontinuousvibrationcompactionload ,thecontactstructurecharacteristicsand
particleaggregationstateofblockstoneparticleswillgraduallychangefrom “singlepointcontact”to
“multipointcontact”,andfrom“loose”to“compact”.Theresearchresultscanprovideapreliminary
theoreticalbasisforthedeterminationofmaximumpavinglayerthicknessandselectionofrollerparame
tersinengineeringpractice.
Keywords:blockstonefiller;vibrationalrollingcompaction;compactioneffect;contactstructurechar
acteristics;compactionprocess;discreteelementmethod
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