共查询到19条相似文献,搜索用时 46 毫秒
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文章以越南球也至宁平高速公路工程为研究对象,分析了项目引入电力监控系统的必要性,介绍了项目电力监控系统的设计要求、整体结构、主要功能,并根据实际需求,提出了球也至宁平高速公路电力监控系统的具体设计方案,阐述了设计方案的软件要求。 相似文献
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阐述平西高速公路机电工程三大系统(收费系统、通信系统、监控系统)建设及对今后高速公路机电工程建设如何发展的探索. 相似文献
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为缓解交通拥堵的情况,使群众出行更加便利,以取消省界站施工项目为例,针对高速公路机电工程的重要性及当前的施工现状,就公路ETC收费车道机电改造施工控制措施进行详细分析,着重从施工准备、镀锌钢管敷设、机电设备安装、系统调试等几个方面进行探讨,提出施工过程中的注意事项,为类似的项目施工提供参考。 相似文献
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为了保障高速公路的通信安全,我国建立了高速公路信息通信系统,以便人们在使用公路的过程中进行收费与监控工作.本文以高速公路通信系统的建立为研究对象,着力于收费与监控两项内容,对这一系统如何应用于实践中进行分析与探讨. 相似文献
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由于机电系统的特殊性,在使用过程中容易受自身和外界的影响产生故障,进一步影响到所涉及分系统的正常运行,这会对高速公路的运营质量和运营效率造成不良影响。通过对云南省鸡石、通建高速公路机电系统多年维修维护数据的研究,本文总结出机电系统在使用过程中易出现故障的设备,同时对导致故障出现的原因进行分析,以便采取一定的措施来预防和降低机电系统故障。 相似文献
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为了促进高速公路行业快速发展,首先,对机电通信系统搭建要点进行分析;其次,总结新技术应用规范;再次,研究高速公路机电通信系统新技术应用策略;最后,对未来高速公路机电通信系统发展趋势进行展望。旨在提升高速公路机电通信系统稳定性。 相似文献
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根据远程网络监控系统的基本技术特性、功能和作用,针对高速公路辖区内各级管理处、收费站、站点分散、带状复杂的地理环境,分析了智能化信息网络远程监控系统的建设、开通、应用对高速公路运营智能化管理工作所起重要的作用. 相似文献
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西部地区公路地质灾害监测预报技术研究 总被引:1,自引:0,他引:1
贵州省交通规划勘察设计研究院 《西部交通科技》2009,(3):42-46
“西部地区公路地质灾害监测预报技术研究”项目针对西部地区公路地质灾害危险性区划、滑坡、崩塌与泥石流监测预报及地质灾害安全管理等关键技术问题进行深入系统研究,形成了公路滑坡、崩塌与泥石流监测预报成套技术,建立了公路地质灾害数据标准,构建了“基于GIS的公路地质灾害监测预报信息系统”平台,实现了公路地质灾害监测实时分析处理和动态预报,为地质灾害综合管理提供技术支撑。 相似文献
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文章阐述了高速公路机电设备故障的产生原因,并从设备选购、使用环境、设备更新改造、人员管理培训、维护体系、维修记录工作入手探讨了高速公路机电设备故障的预防控制措施,以保障高速公路机电设备的正常运转。 相似文献
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文章结合柳州高速公路运营有限公司收费管理实际,阐述了高速公路车辆偷逃通行费的基本情况,并多角度分析了车辆偷逃通行费的原因,提出了完善管理、强化堵漏、技术革新、法律支持的打击高速公路车辆偷逃通行费行为的措施与办法。 相似文献
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文章介绍了Excel测量程序编程结构和使用功能,并通过与普通测量计算程序的对比,分析了Excel测量程序在使用便捷性与工作效率方面的优势,为该程序的推广应用提供依据。 相似文献
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Jose Holguín-Veras Mecit Cetin Shuwen Xia 《Transportation Research Part A: Policy and Practice》2006,40(10):852-871
In the US, there is a long tradition of toll roads, beginning with the Lancaster Turnpike that was built at the end of the 18th century connecting Philadelphia and Lancaster. There are currently more than 300 toll facilities in the US, which is probably the largest number of toll facilities in the world. These facilities represent a wide range of conditions, from hypercongested facilities in large metropolitan areas such as New York City to toll highways in rural areas. The toll structures are equally diverse, ranging from multi-tier price structures with frequent user, carpool, and time of day discounts; to simpler structures in which the only differentiation is made on the basis of the number of axles per vehicle. The toll rates are typically set by the agencies that operate or own the toll facilities. The rules or formulas by which these tolls are determined are not generally available to the public, though it is safe to say that toll decisions are made taking into account technical considerations, as well as the all important criterion of political acceptability. However, data on toll rates and how they change by vehicle types and by some other attributes are readily available.The overall objective of this paper is to analyze the toll data from various facilities across the US to gain insight into the overall factors affecting the tolls. A more specific objective is to assess—though in a rather approximate fashion—if the tolls by vehicle type, relative to each other, are appropriate and consistent with economic theory. This is achieved by comparing tolls to approximate indicators of road space consumption and pavement deterioration. The literature review confirmed that this is the first time such research has been conducted which is an important first step toward an analysis of the efficiency of current toll policies.The analyses in this paper are based on a random sample of all toll facilities across the US. The toll dataset, which include toll rates for passenger cars, busses, and three different truck types, is assembled mainly from the available information on the web sites of various toll agencies. After cleaning the data, the authors used econometric modeling to estimate a set of ordinary least squares (OLS) regression models that express tolls as functions of independent variables. Three families of models were estimated: linear models, models based on expansions of Taylor series, and models based on piece-wise linear approximations to non-linear effects. The resulting models were analyzed to identify the salient features of current toll policies towards different vehicle types. 相似文献