地铁站台屏蔽门系统述评

本文介绍香港安诚工程顾问公司新新加坡地铁屏蔽门系统的考察以及对澳大利亚翻尼地铁使用刺状讨论，由此就Ｗｙｎｙａｒｄ车站和ＴｏｗｎＨａｌｌ车站环境控制制式从开系统改建为屏蔽门系统的可行性研究，从屏蔽门系统的物理构造等方面进行综合分析，并权其利弊。     

基于屏蔽门系统的青岛地铁环控通风应用分析

本文研究了地铁车站环控通风模式设计原理,通过调研国内各城市地铁环控通风模式应用实例,对比分析了屏蔽门系统与开闭式系统应用特点,从经济节能性、区域适用性、乘客舒适度等方向对比分析了屏蔽门系统与开闭式系统的设计特点,并以青岛地铁为例,探索屏蔽门系统的应用优势,为后续地铁环控通风模式设计与建设提供理论与实践指导。     

地铁车站建筑设计中贯彻以人为本理念的探讨

结合地铁车站建筑设计实践,坚持以人为本的设计理念,对地铁车站公共区平面布置、影响乘客行进的站内垂直交通、站内环境设计,以及地铁与其它交通方式的接驳等方面进行了分析和探讨,力求使地铁车站建筑设计在满足交通功能的前提下,实现＂让乘客出行更安全、更便捷、更舒适＂的目标。     

基于舒适度的轨道交通地下车站照明特性

为了解轨道交通地下车站照明满意度现状,获得舒适度上佳的照明策略,以成都地铁地下车站照明光源为研究对象,采用实地测试和问卷调查的方法,对成都地铁地下车站的照度、光源亮度和色温开展调查测试,并对车站乘客进行舒适度的问卷调查,通过将测试数据与问卷数据相结合的方式,总结成都地铁车站照明经验并提出了优化建议。     

轨道交通地下车站风井布置对隧道温度影响的分析

轨道交通地下车站在采用屏蔽门系统时,需要依靠自然通风使隧道降温。地下车站采用不同的风井布置将对隧道产生不同的降温效果。通过采用地铁环境模拟SES程序,分析了不同风井布置方案对隧道降温的影响。     

地铁车站火灾工况气流组织研究

结合深圳地铁一期工程车站消防热烟试验有关资料,提供屏蔽门系统制式车站站厅或站台公共区火灾工况的防排烟气流组织要点和结果,以期得出符合工程消防要求的结论,供同类型工程设计参考。     

地铁车站自动扶梯安全使用问题研究

我国地铁车站乘客流量大,站内自动扶梯使用环境复杂,加之自动扶梯的结构具有开放及间隙多的特性,使用中存在亟待解决的安全问题。对此,深入分析地铁车站自动扶梯的使用特点及安全问题,结合传动部件的运动特性、乘客使用及运营管理等方面剖析原因,提出安全使用的改进措施,同时从自动扶梯的日常运营管理、乘客安全使用及结构优化设计方面总结安全使用的策略。此研究对于强化自动扶梯技术更新、保障地铁车站安全运营有着积极意义。     

深圳地铁会层中心站环控设计及其特点

会展中心站为深圳地铁一期工程换乘车站，就其环控设计采用屏蔽门系统一次安装到位、冷负荷计算、不同形式区间隧道活塞／机械通风设计、十字型岛式／侧式站台环控工艺设计等特点进行了阐述。     

深圳地铁一期工程车站公共区空调风系统变频调速工艺设计

就深圳地铁环控设计采用变频调速控制技术必要性和如何采用等问题介绍系统设计单位的设计思路,在屏蔽门制式条件下的节能估算和利弊分析,提供车站公共区空调风系统变频调速工艺设计,控制技术要求和全年空调通风工况转换依据,综合地铁车站环境控制固有特点和空调风系统变频控制的经济性,实用性和可靠性,建议是否可由闭环控制的连续反馈调节改变为时间程序控制,供同行们参考和讨论。     

对地铁环控系统设计中几个问题的探讨

根据深圳地铁一期工程消防验收中部分试验结果,初步提出防排烟措施和体会,对地铁地下车站每端设置双活塞风井和单活塞风井区间气流量、温度、换气次数及人员新风量进行比较,同时对屏蔽门外轨行区设置OTS系统进行研究。     

轨道交通地下车站屏蔽门与列车间隙的分析探讨

轨道交通客流高峰时,地下车站站台屏蔽门与列车之间的间隙如果不当,往往会对乘客的安全产生影响。通过介绍屏蔽门限界确定方法,分析了屏蔽门与列车间隙产生的原因,提出了几种调整间隙的方法和辅助安全措施,并对各种方法的特点加以总结。     

地铁列车客室车门运营安全设计需求研究

通过对近年来地铁车辆客室车门发生故障原因及风险因素的分析,从地铁车辆客室车门运营安全的角度.提出了限制车门与站台边缘以及屏蔽门之间间隙等十余条车门运营安全设计的需求.     

轨道交通车站站台安全门的受力分析

针对轨道交通车站站台安全门承受的载荷以及如何进行载荷组合等问题,从载荷、风压、温度等方面分析了安全门的受力情况,详细介绍了安全门承载能力极限状态验算的几种方式。     

Container Railfreight Services in North‐west Europe: Diversity of Organizational Forms in a Liberalizing Environment

Abstract

The institutional environment of rail transport has changed as a result of recent European directives, but the changes have taken different forms from one country to another. In the case of international maritime chains, the development of door‐to‐door services makes inland haulage from the loading and discharging ports extremely important, and it highlights the need to reshape the rail freight industry. This paper analyses the degree of involvement of different actors drawn from the maritime industry in developing and commercializing rail services in the changing regulatory environment. Several maritime operators, shipping lines, port‐handling companies and port authorities have been involved in some container rail services since the early days of liberalization. Their commitments take very different forms, however. Whereas contracts are mainly used for the provision of service, particularly for train haulage, integration by means of shareholding or creating subsidiaries or joint ventures is used for marketing. Important differences between France, the UK, Germany and the Netherlands are detailed. In the latter two countries, there is more involvement in the provision of rail services. Marketing rail services appear to be the main strategic issue for the maritime operators in all four countries     

Exploring ride-hailing fares: an empirical analysis of the case of Madrid

Transportation - Ride-hailing is an emerging service that is transforming door to door mobility in urban areas. Users can easily request a ride through a smartphone app that informs them of the...     

Role of the Travel Factor Convenience in Rail Travel and a Framework for its Assessment

Abstract

This paper reviews the travel factor convenience with particular regard to rail travel. Past research has shown that convenience is a concept readily associated with the private car and its perceived ability to provide a door‐to‐door journey. Private vehicles such as cars are often key competitors to public transport. However, convenience with regard to public transport has proved to be somewhat of an ambiguous concept, often showing a high degree of overlap with the other main recognized travel factors. This paper shows that it is possible to consider convenience in rail travel as an embodiment of four themes: access/egress, station facilities/environment, frequency of service/scheduling and interchange between train services. A list of physically measurable elements can be produced relating to these four themes in order to assess the convenience of any particular station. A categorization process is proposed based upon the initial findings of a questionnaire designed to obtain a user perspective upon convenience. It is concluded that no definitive measure of convenience can be produced for rail travel, although a proxy measure, based upon categorization, containing some or all of the defined elements should be possible.     

An investigation of passenger interchange and train standing time at LRT stations: (ii) Estimation of standing time

The standing-time of trains at urban rail stations is pertinent to determining the line capacity and fleet size. The assumption of uniform boarding and alighting leads to under-estimation of the standing time. It is shown that the train standing-time is related to the fraction of boarders and the maximum demand for boarding and alighting at a door. It is further shown that the probability distribution of passengers at a door depends on the platform entrance locations. A methodology that takes into account the above factors is proposed for estimating the train standing-time.     

On passenger saturation flow in public transport doors

In previous studies the authors have shown passengers’ boarding and alighting times for the Transantiago system obtained at the Pedestrian Accessibility and Movement Environment Laboratory (PAMELA) of University College London. Following this line of research, the aim of this paper is to demonstrate the existence of pedestrian saturation flows in public transport doors and show some values of this variable under different conditions. The methodology to achieve this aim was real-scale experiments performed in both PAMELA and the Human Dynamics Laboratory at Universidad de los Andes in Santiago de Chile. Different groups of people getting off a mock-up of a public transport vehicle were recorded by means of video cameras. The videos were then visually processed to find values of passenger saturation flow according to door configurations. The variables studied were the vertical gap between the platform and the vehicle chassis and the width of the door. Results indicate that it is possible to define values of passenger saturation flows for different characteristics of public transport doors. These values proved to be statistically sensitive to both the vertical gap and the width of the door. In addition, results indicate that there seems to be both a vertical gap and a door width for which the flow of passenger reaches its optimum rate.