基于時(shí)空特性的環(huán)交優(yōu)化設(shè)計(jì)方法研究.pdf

1、東南大學(xué)碩士學(xué)位論文基于時(shí)空特性的環(huán)交優(yōu)化設(shè)計(jì)方法研究姓名：潘飛申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：交通運(yùn)輸規(guī)劃與管理指導(dǎo)教師：陳峻20071201AbstractRoundaboutisoneoftheimportanttypesofintersectionsItisstillbeingusedinmanycitiesNotonlvbecauseroundabouthaslessconflictpointsthannormalintersecti

2、ons，thetrafficflowisuninterruptedandroundaboutiseasytomanageButalsotheislandofroundaboutcanbeapublicgreenspace，whichisgoodtotheurbanenvironmentInmostChinesecities，howevermostroundaboutsaremixedflowwithvehicles，bicyclesan

3、dpedestrianAndwiththegrowthofvehicles，thetransportationpositionandcharacterofbicyclesandpedestrianincitiesisofthenewchangesButinthepast，theoldmethodofRoundaboutdesignwhichonlytakevehiclesintoconsideration，isnotabletomeet

4、themodemurbantransportdevelopmentneedsInthefoundationoftimingandspacingfeatureanalysis，systematicresearchonthespacedesignandsignaltimingdesignarecarriedoninthethesisFirstly，bycomparisonshowstheadvantagesanddisadvantageso

5、ftheRoundabout，thethesisanalysisofthescopeofapplicationofRoundaboutOptimizingdesignmethodsofroundaboutscanbedividedinto2partsasfollows：optimumdesignofspaceandoptimumdesignoftimeThegoalsofoptimizingdesignareadvancethecapa

6、cityofroundabouts，reducethetrafficdelayandimprovethesafetyofroundaboutsWhatwarrantsshouldbeusedtojudgetheinstallationoftrafficsignalsAnswersofthisproblemaregiveninthedissertationfrom2pointsofview：trafficflowandconflictsS

7、econdly，outlinedtheRoundabout’StimingandspacingfeaturesfromsafetycapacityanddelaythanobtainedthefactorsthatinfluencecapacityanddelayAndexpoundedtheevaluationcriteriaofroundaboutswithmixedflowOptimizingdesignmethodsofroun

8、daboutsareemphasesofthisthesisThewholeleitmotivofmixedflowroundaboutplanningdesignisbasedonthe”vehicle—bicycle—pedestrianseparation”ideasInspacedesign，thispaperpresentsthespecificworkflowaimingattheislandscale，numberofla

9、nes，weavinglength，lanewidthandorganizationofbicyclesandpedestrianTrafficcontrolofroundaboutsincludes2types：signalcontrolandinductioncontr01Basedongivingthesignalcontrolplanningmodel，thisthesisdiscussedthesignaltimingmeth

10、odsof“l(fā)eftturnwithtwostops’’and“commonlycontrol”roundaboutsFinallythisthesissummarizedabovethemixedflowroundaboutdesign，taketheNanjingCaochangmenroundaboutforexamplestogiveadesignoptimizationanalysisthroughspecificprojec