搜索结果: 226-240 共查到“知识库 交通运输工程其他学科”相关记录603条 . 查询时间(1.828 秒)
This article presents the results of a ex-ante impact assessment study of Advanced Driver Assistance Systems. It focuses on two systems supporting longitudinal driving tasks, namely Autonomous Intelli...
Editorial: Knowledge Needs on the Implementation of Automated Driver Assistance Systems
Knowledge Needs Automated Driver Assistance Systems
2009/9/28
Recently, considerable technological progress has been made in the field of Automated Driver Assistance Systems (ADAS). Electronic devices inform or support the driver in accident-prone driving situat...
The Relationships between Urban Form and Travel Patterns. An International Review and Evaluation
Urban Form Travel Patterns International Review and Evaluation
2009/9/28
There is a growing body of research concerned with the relationship between urban form and travel patterns. Studies originate from a diversity of sources, and encompass a variety of geographic scales ...
Different Perspectives on the Global Development of Transport
Different Perspectives Global Development Transport
2009/9/28
The future of the transport sector is clearly fraught with uncertainties, as the system is influenced by many factors that can develop in various ways. The aim of this paper is to get insight into the...
针对城市轨道交通岩土工程勘察及勘察执行标准选择的重要性,对比了建设系统与铁路系统的规范,指出城市轨道交通岩土工程勘察的配套规范应参照铁路系统的有关规范,而不应参照建设系统的有关规范。
掺加PR添加剂沥青混合料的高温性能评价方法
沥青混合料 PR添加剂 高温性能 评价方法 单轴贯入试验 恒定高度重复剪切试验（RSCH）
2010/9/28
选用车辙试验、单轴贯入试验和恒定高度重复剪切试验（RSCH）来进行掺加PR添加剂沥青混合料的高温性能评价方法研究。车辙试验结果表明，在区分PR.S和PR.M两者对混合料高温性能的影响时，动稳定度和车辙深度的背离导致其无法确定。采用单轴贯入试验得到的极限抗剪强度和RSCH得到的k1，k2，n和γ 4个参数作为掺加PR添加剂混合料的高温性能评价指标，得到了相同的结论，能很好地进行其高温性能的评价。RS...
通过广州市轨道交通五号线工程地质条件的研究,对线路埋深、结构类型及工法的选择等线路设计提出了作出了初步结论,对该项目的线路设计、工程概算及筹划等起到了重要作用。
轨道交通广佛沿线岩溶地质特征及风险防范
岩溶特征 风险防范 措施
2010/8/20
结合广州市轨道交通广佛线穿越广州市大规模岩溶区,针对该区岩溶发育强烈、地下水丰富、工程地质条件十分复杂的现状,总结了广佛线岩溶地质环境,对岩溶对轨道的交通风险进行了分析,并提出相应的防范措施,为该段具体的工程设计提供参考依据。
Researching and analyzing the features of oil and demand for transporting oil derivates in the area of Belgrade
dangerous goods transport environmental protection traffic flow variation demand for transport
2010/11/1
The paper contains a summary of results obtained when researching demand for transporting dangerous goods of class 3 (oil and oil derivates) in the area of the city of Belgrade in 2007. Considering al...
Performance of FHWA model for predicting traffic noise: a case study of metropolitan city, Lucknow (India)
buffer zones equivalent noise level noise barriers FHWA model ambient noise pollution
2010/11/1
Industrial and transport activities are the two major sources of noise pollution in any metropolitan city. Lucknow city, the capital of the largest populated state Uttar Pradesh in India has an area o...
The comparative analysis of English and Lithuanian transport terms and some methods of developing effective science writing strategies by non-native speakers of English
scientific and technical texts text writing strategies linguistic relativity analysis of transport terms routed taxi
2010/11/1
The paper addresses the problem of developing more effective strategies and skills of writing scientific and technical texts by non-native speakers of English. The causes of poor writing are identifie...
Research into the quality of fuels and their biocomponents
fuels petrol diesel biocomponents biofuel quality of fuels
2010/11/1
The article provides a closer look into the quality properties of fuels, analyses the merits and demerits of using biocomponents in petrol and diesel and overviews the ways of improving the quality of...
探讨了基于道路环境、出行路径选择及路段交通流时变特性的城市道路交通检测器配置问题,提出了检测器配置原则,建立了组合优化模型.分析了模型的计算复杂性,根据目标函数的性质和约束条件的相容性,提出了基于解空间分解的有序组合树算法.通过限制不可行子空间、可行非最优子空间,能缩小搜索范围,并给出模型的全局准确最优解.介绍了模型参数的计算,探讨了检测器利用率的量化方法,阐述了交通流小时波动系数、路段客观重要度...
集装箱专用平车气动性能分析与比较
集装箱专用平车 气动性能 数值模拟 设计方案
2009/8/31
基于三维、不可压、定常N−S方程和k−ε双方程湍流模型，采用有限体积法对3种不同设计方案在运行时速为160 km/h的集装箱专用平车(以下简称平车)在有、无横风情况下的气动性能进行分析与比较，其中：方案一的平车无端墙，侧梁侧面平直；方案二和三的平车均加有端墙，且侧梁加高、侧面形状分别为钝形和弧形。研究结果表明：在无横风情况下，方案一中没有端墙，迎风面积较小，受到的气动阻力最...