北京市快速公交2号线实施效果分析

针对快速公交在我国大中城市的逐步推广应用,通过运行环境、服务水平、对走廊内公共交通的影响、乘客满意度等方面的调查,对北京市快速公交二号线（BRT2号线）的实施情况进行全面评估,并与沿线常规公交进行对比分析。结果表明,要改善BRT2号线的运行效果,必须将其与沿线常规公交进行整合,实施线路调整、换乘接驳等统筹规划,并采取设置信号优先、开设“大站快车”等措施。     

箱形拱桥病害检测及承载能力评估

以甘青公路享堂大通河大桥为例,对钢筋混凝土箱形拱桥的安全检测情况进行系统的介绍,并通过静栽、动载试验对结构承栽力进行评估,同时提供大量的计算结果,这在理论和实践上均具有一定的参考价值。     

合理低价中标法在我国的应用分析

该文首先,详细介绍了合理低价中标法的内涵。接着,对在我国推行合理低价中标法的现状进行了分析。最后,指出了招标、投标、评标以及中标后施工中所存在的问题,并提出了保障合理低价中标法有效实施的对策。     

Assessment of large transport infrastructure projects: The CBA-DK model

This paper presents a newly developed decision support model to assess transport infrastructure projects: CBA-DK. The model combines use of conventional cost–benefit analysis to produce aggregated single point estimates, with quantitative risk analysis using Monte Carlo simulation to produce interval results. The embedded uncertainties within traditional CBA such as ex-ante based investment costs and travel time savings are of particular concern. The paper investigates these two impacts in terms of the Optimism Bias principle which is used to take account of the underestimation of construction costs and the overestimation of travel time savings. The CBA-DK methodological approach has been used to apply suitable probability distribution functions on the uncertain parameters, thus resulting in feasibility risk assessment moving from point to interval results. The proposed assessment model makes use of both deterministic and stochastic based information. Decision support as illustrated in this paper aims to provide assistance in the development and ultimately the choice of action, while accounting for the uncertainties surrounding transport appraisal schemes. The modelling framework is illustrated by the use of a case study appraising airport and runway alternatives in the capital of Greenland – Nuuk. The case study has been conducted in cooperation with the Home Rule Authorities of Greenland.     

汽车防抱死制动系统(ABS)试验研究及评价方法

首先对ABS控制理论做了较详细的介绍,通过对ABS控制参数和控制方式的论述提出了ABS道路试验的重要性,重点对ABS试验方法、评价方法做了较详细的介绍。在评价方法方面,提出了利用多个参数来对ABS系统综合评价,该方法不仅适用于ABS产品的认证,更适用于ABS产品的研究及开发。     

学术语篇中情态模糊限制语及其评价意义研究

学术语篇常被认为以客观方式传递信息和表达观点．但其撰写者若要达到这种目标,并使语篇中的信息和观点能充分地被读者所认可或接受,需借用一定的语言表达手段．情态模糊限制语便是其中的表达手段之一．基于此,试从系统功能语言学中的评价理论出发,对学术语篇中情态模糊限制语及其评价意义进行研究．     

Ex-Post Evaluations of Demand Forecast Accuracy: A Literature Review

Abstract

Travel demand forecasts play a crucial role in the preparation of decision support to policy-makers in the field of transport planning. The results feed directly into impact appraisals such as cost–benefit analyses and environmental impact assessments, which are mandatory for large public works projects in many countries. Over the last few decades, there has been increasing attention given to the lack of demand forecast accuracy. However, since data availability for comprehensive ex-post appraisals is problematic, such studies are still relatively rare. This study presents a review of the largest ex-post studies of demand forecast accuracy for transport infrastructure projects. The focus is threefold: to provide an overview of observed levels of demand forecast inaccuracy, to highlight key contextual and methodological differences between studies and to highlight key focus areas for future research in this field. The results show that inaccuracy remains problematic for road, rail and toll projects alike, but also how the lack of methodological clarity and consistency calls for a careful interpretation of these results. Mandatory, systematic ex-post evaluation programmes are suggested as a necessary tool to improve decision support, as data availability for ex-post studies is often remarkably poor even for internal audits.     

加强高校教职工绩效考核的建设思考

高校生存和发展的关键是人员队伍建设,核心是教学、科研和管理队伍建设。高校加强绩效考核的建设,能够引导教职工工作水平的不断提高,激励教职工认真履行其岗位职责,进一步增强教职工的教学、科研、管理和服务水平,给教职工营造一个和谐、稳定、宽松的育人环境,真正做到人尽其才,才尽其用,用人所长,促进高校的可持续发展。     

博弈论在公交枢纽规划布局方案评价中的应用研究

在对传统规划布局方案评价方法存在的不足进行分析的基础上，提出运用博弈论对公交枢纽规划布局方案进行评价。并给出了博弈模型和算法，以期达到最优布局。     

基于神经网络的城市基准地价评估模型研究

应用基于经验知识的人工神经网络技术建立城市基准地价综合评估模型 ,可使城市地价评估工作更加科学、合理、公正 ,同时可充分利用土地定级成果 ,实现城市土地定级、基准地价评估的一体化和智能化 ,减小评估工作量。评估实例说明 ,模型具有较强的实际应用价值 ,尤其适用于土地市场发育条件较好地区大量土地的评估工作