山区公路网关键监测点辨识方法
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摘要
为了有效识别山区公路网中的关键监测点,合理布设监测设备,以使路网监控成本效益最优化,本文提出了一套山区公路网关键监测点辨识的方法。从路网监控信息采集需求角度出发,将山区公路网关键监测点划分为四种类型:事故黑点关键监测点、基础设施结构安全关键监测点、交通数据采集关键监测点以及气象信息采集关键监测点;引入路网层次划分思想,以道路安全性、功能性、交通流特性以及基础设施特性为划分指标进行路网层次划分,为关键监测点的辨识提供依据;在划分路段单元的基础上,按不同类型关键监测点构建评分指标体系,采用专家打分法和层次分析法对各路段单元进行综合评分排序,并通过设定合理阈值确定路网中的关键监测点。
In order to indentify the critical monitoring spots of mountain road network effectively,layout the monitoring equipment reasonably,and optimize the cost-benefit of network monitoring,a new method of identifying the critical spots of a mountain road network was proposed in this paper.Considering the requirement of information collection of the network monitoring,the paper classified the critical spots of the road network into four types: critical spots based on black spots,based on infrastructure security structure,based on traffic data and based on meteorological information.Introducing an idea of road network hierarchy division,this study took road safety,functionality,traffic flow characteristics and infrastructure as hierarchy division indexes to classify the hierarchy of the road network,which could provide a basis for identifying the critical points.On the basis of section unit division,the paper established a marking index system of the critical spot identification,and comprehensively evaluated each section using expert scoring method and AHP.Then,the critical spots could be identified through comparing with the thresholds.
In order to indentify the critical monitoring spots of mountain road network effectively,layout the monitoring equipment reasonably,and optimize the cost-benefit of network monitoring,a new method of identifying the critical spots of a mountain road network was proposed in this paper.Considering the requirement of information collection of the network monitoring,the paper classified the critical spots of the road network into four types: critical spots based on black spots,based on infrastructure security structure,based on traffic data and based on meteorological information.Introducing an idea of road network hierarchy division,this study took road safety,functionality,traffic flow characteristics and infrastructure as hierarchy division indexes to classify the hierarchy of the road network,which could provide a basis for identifying the critical points.On the basis of section unit division,the paper established a marking index system of the critical spot identification,and comprehensively evaluated each section using expert scoring method and AHP.Then,the critical spots could be identified through comparing with the thresholds.
引文
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[17]何勇,唐琤琤等.道路交通安全技术[M].北京:人民交通出版社,2008:663-669.
[2]张国翊,丁爱玲,江韬.基于多路径联网收费问题的检测点分布研究[J].交通运输工程与信息学报,2007,5(3):69-84.
[3]Nicholson A.,Du Z.P.Degradable transportationsystems:an integrated equilibrium model[J]Transportation Research Part B:Methodological1997,31(3):209-223.
[4]Chen A.,Yang H.,Hong K.Lo.Capacity reliabilityof a road network:an assessment methodology andnumerical results[J].Transportation Research PartB:Methodological 2002,36(3):225-252.
[5]Taylor M.A.P.and D’Este G.M.D.Concepts ofnetwork vulnerability and applications to theidentification of critical elements of transportinfrastructure[C].Proceedings of 26th AustralasianTransport Research Forum,Wellington,NewZealand,2003:1-3.
[6]Scott D.M.,Novak D.C.,Aultmann-Hall L.andGuo F.Network robustness index:a new method foridentifying critical links and evaluating theperformance of transportation network[J].Journalof Transport Geography,2006,14(3):215-227.
[7]侯立文,蒋馥.城市道路网中路段相对重要性研究[J].系统工程理论方法应用,2004,13(5):425-428.
[8]黄正锋.基于重要度和可靠度的路段质量排序[J].重庆交通大学学报,2009,28(4):742-744.
[9]唐小勇,程琳,徐上.地震条件下公路网关键路段识别[J].东南大学学报(英文版),2009,25(4):531-535.
[10]涂颖菲,杨超,陈小鸿.路网拓扑脆弱性及关键路段分析[J].同济大学学报(自然科学版),2010,38(3):364-367.
[11]Sabso B.,Milot L.Performability of a congestedurban transportation network when accidentinformation is available[J].Transportation Science,1999,33(1):68-79.
[12]Bell Michael G.H.A game theory approach tomeasuring the performance reliability of transportnetworks[J].Transportation Research Part B:Methodological,2000,34(6):533-545.
[13]Smith B.L.,Qin L.,and Venkatanarayana R.Characterization of freeway capacity reductionresulting from traffic accidents[J].Journal ofTransportation Engineering,2003,129(4):362-368.
[14]过秀成,盛玉刚.公路交通事故黑点分析技术[M].南京:东南大学出版社,2009:1-5.
[15]Nicholson A.J.,Du Z.P.Improving networkreliability:a framework[C].Proceedings of 17thAustralian Road Research Board Conference,Australian,1994:1–17.
[16]Sullivan J.L.,Novak D.C.,Aultmann-Hall L.andScott D.M.Identifying critical road segments andmeasuring system-wide robustness in transportationnetworks with isolating links:A link-basedcapacity-reduction approach[J].TransportationResearch Part A,2010,44:323-336.
[17]何勇,唐琤琤等.道路交通安全技术[M].北京:人民交通出版社,2008:663-669.
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