混合交通信号交叉口右转机动车通行能力及其灵敏度分析

23220103ChinaJournalofHighwayandTransportVol.23No.2Mar.2010:100127372(2010)0220077207:2009205222:(70672023):(19632),,,,,,E2mail:[e-mail]1,2,1,2(1.,100044;2.,100044):,,,,,,:5001500bich-1,:;;;;;:U491.233:AAnalysisofCapacityandItsSensitivityofRight2turnMotorVehiclesatSignalizedIntersectionUnderMixedTrafficQIANDa2lin1,2,NIUZhi2qiang1,2(1.SchoolofTrafficandTransportation,BeijingJiaotongUniversity,Beijing100044,China;2.KeyLaboratoryforUrbanTransportationComplexSystemsTheoryandTechnologyofMinistryofEducation,BeijingJiaotongUniversity,Beijing100044,China)Abstract:Inviewoftheseriousinterferencebetweenright2turnmotorvehiclesandbicyclesatsignalizedintersectioninChina,inordertomeasurethecapacityofright2turnvehicleseffectivelyundermixedtraffic,authorsstudiedthepassagenumberofright2turnvehiclesbyuseoftrafficflowwaveandgaptheoryunderinterferenceenvironment.Basedontheanalysisofalargenumberofresearchdata,authorsdiscussedthemicro2operationofright2turnmotorvehiclesandbicycles,andproposedthemodelforcalculatingcapacityofright2turnmotorvehiclesattwo2phasesignalizedintersectionunderthemixedtrafficconditions.Combinedwiththeresearchandsimulationresultsoftypicalintersection,effectofmodelwasverified.Additionally,authorsanalyzedthesensitivitybetweencapacityofright2turnmotorvehiclesandbicycleflowvolume.Resultsshowthatthechangeofbicycleflowvolumehasagreatimpactonthecapacityofright2turnmotorvehicleswhenthethebicycleflowvolumerangesfrom500to1500bich-1.Keywords:trafficengineering;signalizedintersection;gaptheory;trafficconflict;trafficflowwave;right2turnmotorvehicle0,,,,,,,[1];,,,,,:(HCM2000),[2],;,HCM2000,[3];[426][7211],,,,,,,(),,1,,,:,;,11Fig.1InterferencesBetweenMotorVehiclesandBicyclesatIntersection,,,,,,2(a),,,,2(b),,,,,,,:,;,,,;,,,,2.6s[12]2,,,,2.1(1)8720102Fig.2ConflictZonesofRight2turningMotorVehicles(2),2.2tbt,tbc,tg,tr,gap,0,,bt,m2.2.1,tbt,,,Cg1(1)Cg1=tbtsm(1):sm;tbt=2Lst/am,Lst,am,2.2.2,[tbt,tbt+tbc],,tbc,[13](1),v0k0kj,,,vwqvwq=k0v0k0-kj(2),2,(2),vwq=k0vf(1-k0/kj)k0-kj=-k0kjvf(3):vf(2),kjqsks,,,vwsvws=-qskj-ks=-ksvskj-ks(4),2,vws=-kjevs/vmvskj-kjevs/vm=-vsevs/vm-1(5):vm;vs,vs0,vws=-limvs0vsevs/vm-1=-vm(6),,,vwq(tr+tbs)kj=vwstbsks(7):tbctbc=vwqkjvwsks-vwqkjtr=vfk0vmks-vfk0tr=1vmv0ks/(btvf)-1tr(8)2.2.3,(2),tg-tbt-tbc,,972,:,(1),,HgapHgap+0,1;gap+(n-1)0Hgap+n0,nnPn=P[gap+(n-1)0Hgap+n0](9)tg-tbt-tbcCg2=m(tg-tbt-tbc)+n=1nPn=m(tg-tbt-tbc)e-btgap1-e-bt0(10)2.3tbl;bl2.3.1,tbl,,Crl(11)Cr1=tblsm(11):tbl=Lsl/vbl,Lsl,vbl,vf2.3.2,tr-tbl,,,,gap,0,Cr2Cr2=m(tr-tbl)+n=1nPn=m(tr-tbl)e-blgap1-e-bl0(12)2.42.22.3,Cy(13)Cy=3600(Cr1+Cr2+Cg1+Cg2)T(13):T,T=tr+tg,,3,;,,,,,,,,Cg,Cg|bt=(3600/T)(Cg1+Cg2)|bt=(3600/T)[m(tg-2Lst/am-trvmks/bt-1)e-btgap1-ebt0]|bt=(3600/T)[(43-850.45/bt-1)1.2e-6.8bt+2.8ebt(1-e-4bt)2-38.252bt(0.45/bt-1)2e-2.8bt1-e-4bt](14),,,44.1,,VISSIM,58m,25m,,4,3.5m,,6m,,,,132s,2s,08201033Fig.3SignalTimingProject4.2,1,,,,,,,,,11sm,,1Tab.1ParameterValuesofTheoreticalModelsm/(vehs-1)Lst/mam/(ms-2)vf/(ms-1)vm/(ms-1)k0/(bicm-2)ks/(bicm-2)0.52.5241.50.016250.3kj/(bicm-2)tr/sbt/(bicm-2)m/(vehs-1)tg/sgap/s0/s0.55850.390.42452.844.3,,VISSIM,;;;(1)VISSIMHCM2000(4),1100bich-1,;1100bich-1,24Fig.4ComparativeAnalysisofCapacitiesUnderDifferentBicycleFlowVolumes,,,,5001700bich-1,(2)5Cb(8002500bich-1),0.30.65,5Fig.5RelationsAmongCapacities,SignalTimingProjectsandBicycleFlowVolumes5:,;,1400bich-1,,1700bich-1,,,(3)6Cb,6:10002000bich-1,2.55.0m182,:6Fig.6InfluencesofWidthsofBicycleLanesandBicycleFlowVolumesonCapacities,;5m,;2000bich-1,4m,;4m,,,,,,10002000bich-1,,;,(5m),,2000bich-1,,(4)7Cg7,5001250bich-1,;,12502000bich-1,,5001250bich-1;2000bich-1,,7Fig.7AnalysisofCapacitySensitivity,5001250bich-1,,;,2000bich-1,5(1),();,,(2),,;,,,(3),,;,,,,,(4),,,;,282010:References:[1],.[J].,2006,39(12):1082111,123.MAZe2dan,YANGXin2miao.AstudyontheCapaci2tyofExclusiveRight2turnLanesofAt2gradeInter2sections[J].ChinaCivilEngineeringJournal,2006,39(12):1082111,123.[2]TransportationResearchBoard.HighwayCapacityManual[M].WashingtonDC:NationalResearchCouncil,2000:162135.[3]QIANDL,WANGXH,HUP.EffectsofThroughBicycleswithHighVolumesonCapacityofRight2turnMovementatSignalizedIntersections[C]//ASCE.ProceedingsoftheEighthInternationalCon2ferenceofChineseLogisticsandTransportationPro2fessionals.Chengdu:ASCE,2008:347523482.[4],.[M].:,1997.YANGPei2kun,YANGShu2sheng.TrafficManage2mentandControl[M].Beijing:ChinaCommunicationsPress,1997.[5],.[M].:,1992.WANGWei,XUJi2qian.UrbanTransportationPlan2ningTheoryandMethod[M].Beijing:ChinaCommu2nicationsPress,1992.[6],,.[J].,2007,24(8):1242127.JINGChun2guang,QUDa2yi,LIANGChun2yan.Re2searchonEffectofVehicle2bicycleConflictonVehicleSaturationRateinTwo2phaseIntersection[J].JournalofHighwayandTransportationResearchandDevel2opment,2007,24(8):1242127.[7],,.[J].,2004,4(2):1052114.WUJian2ping,HUANGLing,ZHAOJian2li.TheBe2haviorofCyclistsandPedestriansatSignalizedInter2sectionsinBeijing[J].JournalofTransportationSys2temsEngineeringandInformationTechnology,2004,4(2):1052114.[8],,.[J].:,2005,35(5):4672472.WANGDian2hai,JINYong,CHENYong2heng.Pass2