城郊一級公路接入口問題研究.pdf

1、重慶交通大學(xué)碩士學(xué)位論文城郊一級公路接入口問題研究姓名：徐松申請學(xué)位級別：碩士專業(yè)：道路與鐵道工程指導(dǎo)教師：唐伯明20090401ABSTRACT締鼬thecontinuousadvanceofurbanruralbalance，theeconomybetweenurbanandruralareasgrowsinagreatextentandsuburbanhighwayplaysanimportantpartinitInsuburba

2、nhighwayconstractionandlandusebesideroads，accessismoreandmorebecomethekeyfactorofarterialsevicelevelSincethereisnoexplicitdesigncriterionandguideforroadaccesses，leadingaccessesdisorderconstructionandanarchismAtthepresent

3、time，suchproblemsareserious，especiallysuburbanfirstgradehigwaycalled“devilroad’Theseaccessesendangerpeople’Slifeandpossession，andattractmanygovernment’SattentionHence，manyhighwaydiractorsandresearchcenterstakemeasurestot

4、reataccesses，suchasclosingaccesses，settingtrafficsafetyfacilities，roadsafetyeducationandSOonHoweveLthesetreatmentsdon’tconcemaboutpeople’Stravelconvenience，andcausertrafficaccidentstillrisinghigherThearticlewasbasedontwo

5、objects“trafficsafety”and“operationefficient’，whichputforwardaccessesimprovingcountermeasureforsuburbanfirstgradehighwayFirstlythroughconsultingrelatedresearchathomeandabroadandfieldresearchanalysingaccidentcauserelatedt

6、ohighwayaccessesThesuburbanfirstgradehighwayaccesseswereclassfiedbasedonfieldsurveydataandtrafficstatisticrule，andweredemostratedreasonablebysinglefactoranalysismethodofmathematicalstatisticsSecondlythearticleresearchedt

7、heroleof‘‘trafficsafety’’and‘‘operationefficient’affectedbyaccesselementfacotrs，includingplanefactors、lengthwisesectionfactorsandcrosssectionfactors，andfoundtherelationshipbetweensafetyandefficentbytweprentiveindex“accid

8、entrate”&‘、raveldelay”Consideringaccessspacingwasakeyfactorenflueningtravelling，threekindminimumspacingmodel(incluingequidirection—alaccesses、oppositeaccessesandspacingbetweenaccessandgradecrossing)wasputforwardbasedonpr

9、otectingmainlanetravailing、accesstravellingefficientandsafelytravellingapparentdistanceFinallyspecificimprovingcountermeasures(forexamplederectionaltravellingmedian，rightofwayregulationturningdriverydivision，locatingfron

10、tageroadandauxiliaryroad)weregeneralizedforvariousaccessesInaddition，vissimsimulaitonsofewarewasusedtoappraisebeforeandafteraccessesimprovingofacasestudyandtheresultshowedthataccessesimprovingcoutermeasureswerereasonable