深圳地铁上盖综合体 开发优化措施研究

以深圳为例,通过介绍香港及内地其他城市地铁上盖城市综合体的开发模式,研究深圳城市综合体发展现状及规划开发存在的问题,探讨建设深圳城市综合体开发的新模式———地铁上盖城市综合体的发展思路及优化措施。     

高铁无柱雨棚工程造价估算与敏感性分析

影响高铁客运站无柱雨棚结构工程造价的因素很多,在收集已建高铁客运站无柱雨棚结构工程造价数据的基础上,针对侧式客站无柱雨棚结构工程造价选取了相应的几个主要影响变量。根据多元回归分析理论,分别建立了多元逐步线性回归模型和二次响应曲面模型,通过拟合模型的对比分析与实例验证,提出二次响应曲面模型在高铁侧式站无柱雨棚结构工程造价估算上的应用前景。并在此基础上,应用二次响应曲面模型研究得出各主要敏感因素对无柱雨棚结构工程造价的敏感程度。从投资角度为高铁侧式站无柱雨棚结构体系设计和建设提供了优化方向。     

公共自行车文献综述

对公共自行车系统进行总体概述,并针对相关文献进行批判性检验。基于以往同行评议文献及灰色文献,对与公共自行车系统影响相关的认知缺陷进行分析。当前亟须针对全球公共自行车研究进行评估,该综述旨在更好地了解及加强当前和未来公共自行车系统的实施效率。越来越多的研究聚焦于公共自行车系统,主要议题集中在以下方面。首先,公共自行车使用者认为方便性和低支出是注册并使用该系统的重要原因。其次,与固有观念相反,公共自行车系统用户比非用户更倾向于拥有和使用私人自行车。第三,当法律强制要求佩戴头盔时,公共自行车使用者比私人自行车使用者更不愿佩戴头盔。最后,从更重要的可持续交通角度而言,大量公共自行车系统使用者选择该方式取代可持续交通方式而非小汽车出行方式。     

铁路编组站安全评价研究

结合铁路编组站现场实际,对编组站作业安全进行系统分析,从人员、设备、环境和管理等方面分析编组站作业安全的影响因素,建立编组站安全评价指标体系。应用基于物元分析的层次分析法确定指标权重,构建基于物元分析的编组站安全评价模型,应用编组站实际数据,对所构建的模型进行分析验证,为编组站作业安全管理提供决策依据。     

A ‘placeful’ station? The community role in place making and improving hedonic value at local railway stations

In recent years, railway stations have come to be seen as non-places within society, points of transit and nothing more. The role of the station in place making is disputed with stations seen as both creating and destroying a sense of place within a community. Our study is located within the railway stations of Scotland and explores how local communities have been empowered to reclaim, customise, and re-appropriate stations to simultaneously create a sense of place and better promote their community to the outside world. Drawing on ethnographic research we refute the notion that stations are somehow ‘placeless’. We show how through a process of legitimisation, a sense of ownership and appropriation of the station environment, communities are able to transform the station, improving hedonic value and recapturing a sense of place.     

Commuters’ willingness-to-pay for improvement of transfer facilities in and around metro stations – A case study in Kolkata

Although several cities in India are developing the metro system, there are lacunas associated with transfer facilities in and around metro stations. The present work aims to investigate the perception of commuters of Kolkata city, India in terms of their willingness-to-pay (WTP) for improvement of transfer facilities. A stated preference survey instrument was designed to collect choice responses from metro commuters and the database was analysed by developing random parameter logit (RPL) models. The decomposition effects of various socioeconomic and trip characteristics on mean estimates were also investigated in random parameter logit models with heterogeneity. The work indicates significantly high WTP of metro commuters as compared to the average metro fare for improvement of various qualitative attributes of transfer facility such as ‘facility for level change’, ‘visual communication’, ‘pedestrian crossing’, and ‘pedestrian environment’. The WTP values are also found to vary across different groups of commuter formed on the basis of ‘trip purpose’, ‘monthly household income’, ‘station type’ and ‘metro fare’. ‘Work trip’ commuters are found to have higher WTP for improvement of access time, pedestrian environment and use of an escalator over the elevator. On the other hand, ‘high-income group’ commuters have shown higher WTP for improvement of access time, pedestrian crossing, and pedestrian environment. While ‘high fare group’ commuters have higher WTP for access time and pedestrian environment, heterogeneity is also observed in WTP for facility for level change, pedestrian crossing, and pedestrian environment across commuters using different ‘station type’ (underground, at-grade, and elevated). The findings from the study provide a basis for formulating policies for the improvement of transfer facilities in and around metro stations giving due attention to the preference of commuters having different socioeconomic and trip characteristics.     

地铁区间隧道水平旋喷预加固效果数值模拟

为了解水平旋喷桩预加固隧道围岩的力学效果，针对深圳地铁大剧院—科学馆区间隧道水平旋喷预加固工程实例，将旋喷桩简化为厚0．5m的预支护结构，借助三维弹塑性有限元程序，对有无水平旋喷桩加固时隧道开挖引起的变形进行了对比分析．分析结果表明，隧道施工过程中，有旋喷桩时，拱顶和地表最大沉降减小50％左右，洞周塑性区范围大大缩小。     

电动汽车充电方式和商业运营模式初探

电动汽车产业化长期受到充电设施不足的制约,文章探讨了充电设施建设过程中面临充电方式选择和充电网络商业化运营的问题。通过充电站、充电桩和换电站各自的运营属性特征和优势缺陷比较,对不同时期充电设施的选择、空间分布、潜在的投资建设主体、运营主体及盈利模式提出了政策建议。特别讨论了电池更换站的发展前景和其对未来汽车和能源产业结构可能带来的影响,强调了充电网络运营者在未来电动汽车产业链体系中的重要地位。     

地理信息系统(GIS)技术在城镇及铁路站场地下管线规划管理中的应用

简单介绍地理信息系统 (GIS)技术和国内外现状 ,指出现有城市管网和铁路站场地下管线管理中存在的问题 ,提出相应GIS系统的结构和应具有的功能、所需系统环境和基础数据 ,以及该系统在应用中的主要功能     

乡镇汽车客运站场规模确定方法研究

通过对传统乡镇汽车客运站场规模确定方法不足的分析,针对农村旅客运输特点,对乡镇汽车客运站的功能进行了定位,从农村客运站场网络体系优化出发,提出了协调法确定乡镇汽车客运站场规模,建立了相应的站场规模调整模型,并给出了计算步骤和相关参数的标定方法及部分推荐值。最后通过成都市青白江区的实例验证了方法的可行性。