IntelligentRoadPlanningTechnology

IntelligentRoadPlanningTechnology.pdf
Theroadalignmentplanningprocessisaverycomplexandtimeconsumingtask.Thefinalalignmentselectedduringtheplanninganddesignprocesscouldhavemajorimpactsonprojectconstructionandlife-cycleoperationcosts.Itiswellrecognisedthatthegreatestopportunitiestocontainoverallcostsandminimiseenvironmentalandsocialimpactsareduringtheplanningstage.Traditionally,routeselectionhasreliedheavilyonplanners'professionalexperienceandjudgement.Theincreasingenvironmentalandconstructioncostconcernhavemadetherouteselectionprocessmorecomplexthaneverbefore.Thelackofpurpose-specifictoolshasgreatlylimitedtheplanner'scapacitytoconsiderallthedataandthenumerousconstraintsandtocompareandanalyseallviablealternativeswithinalimitedtimeperiod.Anintelligentroadplanningtoolhasbeenspecificallydevelopedtoaddressthecomplexplanningproblem.Theplanningtoolbeginswithadigitalterrainmodelofthestudyareaandotherrelevantgeographicalinformation,andthenbydefiningtheinputparameterssuchasdesignstandardsandcostparameterssuchascut/fillrateandbridge/tunnelunitcostsandotherconstraintssuchasavoidzonesandcrossingrequirements,theplanningtoolwillautomaticallysearchallpossiblealternativealignmentswithinthestudyarea.Unlikethetraditionalplanningapproach,itexploresmillionsofalternativesandquicklyreturnsarangeof3Dalignmentmodelswithautomatedearthworks;structuressuchasbridges,tunnelsattached,andassociatedvolumesandcostscalculated.Theprocesscanbeoperatediterativelywithnewconstraintsaddedduringtheplanningprocesswhichcanprovideaswiftresponsetopublicfeedbackandre—evaluatealternativeswithinhoursinsteadofweeksandmonths.Italsoempowersplannersanddesignerstominimisethenegativeenvironmentalandsocialimpactsofroadprojects,whilstreducingconstructionandlife-cycleoperationcosts.Whentheprojectapproachestheconstructionphase,itcanalsobeusedasavaluableengineeringtooltorefinethefinalalignmentwithinthecorridor,orjustperformaverticaloptimisationtoreduceearthworksandotherconstructioncosts.Thispaperillustrateshowtheintelligentroadplanningtoolcanshortentheplanningtime,increaseproductivityandreduceprojectcost,whilstachievingresultsthathavelowerenvironmentalandcommunityimpactthantraditionalmethods.Anumberofcasestudiesarepresentedtodemonstratetheinnovativeplanningprocessanditsadaptabilitytodifferentprojectneedssuchaslow-grademountainousroadsandhighstandardstatefreeways.
作者：KevinGuXuefengTang
作者单位：TrimblePlanningSolutionsPtyLtd.
母体文献：第七届中国公路科技创新高层论坛论文集
会议名称：第七届中国公路科技创新高层论坛  
会议时间：2015年4月22日
会议地点：上海
主办单位：中国公路学会
语种：chi
分类号：
关键词：IntelligentRoadPlanning  AlignmentOptimization  EnvironmentalImpact
在线出版日期：2018年8月28日
基金项目：
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IntelligentRoadPlanningTechnology.pdf

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