沥青路面粘弹塑性有限元法
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摘要
阐述了路面粘弹塑性有限元分析的理论与步骤。并以环胶州湾高速公路部分路段为例 ,计算了车辆一次性通过车辙深度 ,结果表明 ,它与车辆路面的垂向压力成线性关系 ,受车辆路面之间的行车纵向剪力影响不大。这和D .Cebon等人的试验结果一致。该方法对沥青路面永久变形的分析计算是有效的
Pavement's visco elastoplastic finite element analysis theory and steps are described.taking a part of huan jiao zhou wan freeway as a example,the depth of rutting by one pass of vehicle is calculated.It is linear to the vertical pressure between vehicle and pavement,but is influenced by the longitudinal force very slightly,which is consistent with the test results by D.Cebon etc.The method is efficient for the analysis and calculation of pavement's forever deform.
Pavement's visco elastoplastic finite element analysis theory and steps are described.taking a part of huan jiao zhou wan freeway as a example,the depth of rutting by one pass of vehicle is calculated.It is linear to the vertical pressure between vehicle and pavement,but is influenced by the longitudinal force very slightly,which is consistent with the test results by D.Cebon etc.The method is efficient for the analysis and calculation of pavement's forever deform.
引文
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[2] 关宏信,郑健龙.沥青路面结构的粘弹性有限元方法[J].长沙交通学院学报,2001,17(1):51-56
[3] ArunBhattacharya,StevenAVelinsky.FiniteElementImple mentationoftheMicroplaneTheoryforSimulatingaRigidConcretePavement-VehicleInteraction[J].Mech.Struct.&Mach.1998,26(4):377-400
[4] FrangopolDanM ,Yong-HakLee,WillamKasparJ .Nonlin earFiniteElementReliabilityAnalysisofConcrete[J].Jour nalofEngineeringMechanics,1996,122(12):1174-1182
[5] SamHelwany,JohnDyer,JoeLeidy.Finite-ElementAnaly sesofFlexiblePavements[J].JournalofTransportationEngi neering,1998,124(5):491-499.
[6] WijeratheA ,SargiousM .PredictionofRuttinginVirginandRecycledAsphaltMixturesforPavementUsingTriaxialTests[J].AAPT ,1987,20(20):9-15
[7] CollopAC ,CebonD ,HardyMSA .ViscoelasticApproachtoRuttinginFlexiblePavements[J].JournalofTransporta tionEngineering[J],1995,121(1):82-93
[8] 朱伯芳.有限元法原理与应用[M].北京:中国水利水电出版社,1998.10.
[9] 贾乃文.粘塑性力学及工程应用[M].北京:地震出版社,2000.4.
[10] LuY ,WrightPJ.NumericalApproachofVisco-Elasto plasticAnalysisforAsphaltMixtures[J].ComputersandStructures,1998,69:139-147
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