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Pavement management system for Lisbon 里斯本的路面管理系统
IF 1.3 4区 工程技术 Q4 ENGINEERING, CIVIL Pub Date : 2004-09-01 DOI: 10.1680/MUEN.2004.157.3.157
L. Picado-Santos, Adelino Ferreira, A. Antunes, C. Carvalheira, B. Santos, M. Bicho, I. Quadrado, S. Silvestre
The City Council of Lisbon, Portugal, decided to build a pavement management system (PMS) for the vast road network under its administration at the beginning of 1999. This paper presents a geographical information system (GIS)-based PMS for Lisbon, developed by a team involving staff from the Lisbon City Council and the University of Coimbra. The system consists of three basic modules: a road network database, a quality evaluation tool and a decision-aid tool. The paper also describes the process leading to the creation of the PMS and the activities developed during the first and second years of its implementation. This period was mainly taken up with the preparation of a GIS for the road network, preparation of the quality evaluation tool and launching of the decision-aid tool. The final part of the paper discusses the main difficulties encountered so far and presents the developments planned for the near future.
1999年初,葡萄牙里斯本市议会决定为其管理下的庞大道路网络建立一个路面管理系统(PMS)。本文介绍了里斯本基于地理信息系统(GIS)的PMS,由里斯本市议会和科英布拉大学的工作人员组成的团队开发。该系统由三个基本模块组成:路网数据库、质量评估工具和决策辅助工具。本文还描述了导致创建PMS的过程以及在其实施的第一年和第二年开展的活动。这一阶段主要是为道路网络准备一个地理信息系统,准备质量评估工具和启动决策辅助工具。论文的最后一部分讨论了迄今为止遇到的主要困难,并提出了近期计划的发展。
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引用次数: 36
Geotechnical aspects of sewage sludge monofills 污水污泥单填料的岩土工程方面
IF 1.3 4区 工程技术 Q4 ENGINEERING, CIVIL Pub Date : 2004-09-01 DOI: 10.1680/MUEN.2004.157.3.193
B. O’Kelly
More stringent controls on the quality of wastewater discharges are giving rise to increasing volumes of sewage sludge for disposal. Within the European Community, the disposal of sewage sludge to sea ceased by 1998 under the Urban Wastewater Treatment Directive. Stricter waste disposal legislation and higher landfill taxes are forcing the water industry to look for more efficient disposal strategies. Dedicated sludge-to-landfill operations are presented as a viable option. The sewage sludge is dewatered to the optimum water content for compaction, placed in the landfill in layers and compacted to the maximum dry density, thereby maximising the operational life of the landfill site. The design, construction and long-term performance of such monofills are described. Adequate levels of dewatering for the sludge-to-landfill route can best be achieved at the treatment plant using conventional mechanical dewatering devices, sludge drying beds or thermal drying processes.
由于对污水排放的水质管制更为严格,可供处置的污水污泥量日益增加。在欧共体内部,根据《城市污水处理指令》,到1998年,污水污泥的入海处置已停止。更严格的废物处理立法和更高的垃圾填埋税迫使水务行业寻找更有效的处理策略。专门的污泥填埋作业是一种可行的选择。污水污泥经脱水至适合压实的含水量,分层放置于堆填区,并压实至最大干密度,从而延长堆填区的使用寿命。介绍了这种单填料的设计、施工和长期性能。污水处理厂采用传统的机械脱水装置、污泥干燥床或热干燥程序,可达到污泥至堆填区的适当脱水水平。
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引用次数: 36
Project management reform: a public body case study 项目管理改革:公共机构案例研究
IF 1.3 4区 工程技术 Q4 ENGINEERING, CIVIL Pub Date : 2004-09-01 DOI: 10.1680/MUEN.2004.157.3.199
A. Hamilton
Many projects are not being delivered in accordance with predetermined requirements. Even if one could conclude that a particular project has been successful, the general record for projects is not a good one, with overruns in time and cost being commonplace. The indications are that the private sector is no worse but, quite likely, no better than the public sector. However, the public sector uses public money and, for that reason at least, the current demands for more effective management are axiomatic. This paper examines the implications that certain factors had on changing the project management approach of a public-sector organisation that uses engineers as project managers on capital works engineering projects. The results of this research, if such results can be applied to the whole sector, would indicate that the public sector is in need of reform on how it handles the project-side of its business. Greater or lesser amounts of reform would be dependent upon the project management maturity of any s...
许多项目没有按照预定的要求交付。即使一个人可以断定一个特定的项目是成功的,项目的总体记录也不是很好,时间和成本超支是司空见惯的。种种迹象表明,私营部门的情况并不比公共部门差,但很可能也不比公共部门好。然而,公共部门使用公共资金,至少出于这个原因,目前对更有效管理的要求是不言自明的。本文考察了某些因素对改变公共部门组织的项目管理方法的影响,该组织在基本工程项目中使用工程师作为项目经理。这项研究的结果,如果这些结果可以应用于整个部门,将表明公共部门在如何处理其业务的项目方面需要改革。更多或更少的改革将取决于任何项目管理的成熟度。
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引用次数: 2
Analysis of pedestrian transit in urban corridors 城市廊道行人交通分析
IF 1.3 4区 工程技术 Q4 ENGINEERING, CIVIL Pub Date : 2004-09-01 DOI: 10.1680/MUEN.2004.157.3.173
F. R. Chasco, J. M. Irigoyen, Á. Seco
This paper presents the results of a research project aimed towards, first, the characterisation of pedestrian flows in urban corridors and the identification of their explanatory variables, and second, the development of a model that would allow a prediction of these flows. The characterisation of current pedestrian trips has been obtained from data collected through a survey designed specifically for this purpose and carried out in six gauging points along the road being analysed. With regard to identifying the main explanatory variables of the phenomenon, the statistical–mathematical method of principal component analysis was applied to all the socioeconomic and geographic variables available. Lastly, in order to come up with the predictions, a gravitational-type model was calibrated. The final result is a simple model (dependent only on three variables) that offers a solid base upon which different types of infrastructure and public services can be programmed.
本文介绍了一项研究项目的结果,该项目旨在:首先,描述城市走廊中行人流量的特征,并确定其解释变量;其次,开发一个模型,可以预测这些流量。现时行人行程的特征,是根据一项专门为此目的而进行的调查所收集的数据而得出的,该调查在正在分析的道路沿线的六个测量点进行。为了确定这一现象的主要解释变量,我们将主成分分析的统计数学方法应用于所有可用的社会经济和地理变量。最后,为了做出预测,我们校准了一个引力型模型。最终的结果是一个简单的模型(仅依赖于三个变量),它为不同类型的基础设施和公共服务的规划提供了坚实的基础。
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引用次数: 0
Coastal defence—current UK practice 海防——目前英国的做法
IF 1.3 4区 工程技术 Q4 ENGINEERING, CIVIL Pub Date : 2004-09-01 DOI: 10.1680/MUEN.2004.157.3.147
M. Wright
Coastal defence is a composite term covering both coast protection and sea defence, with these activities now being actively managed by the various authorities involved, to comply with the Government's policy to ‘reduce the risks to people and the developed and natural environment from flooding and coastal erosion by encouraging the provision of technically, environmentally and economically sound and sustainable defence measures’. This paper shows how the various authorities actively involved in the overall management of the coastline have increasingly worked together to achieve this strategic policy requirement.
海防是一个综合术语,涵盖海岸保护和海防,这些活动现在由各个有关当局积极管理,以遵守政府的政策,“通过鼓励提供技术上、环境上和经济上健全的和可持续的防御措施,减少洪水和海岸侵蚀对人民和发达的自然环境的风险”。本文展示了积极参与海岸线整体管理的各个当局如何越来越多地共同努力实现这一战略政策要求。
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引用次数: 2
Litter deposition on minor rural roads in Ireland 爱尔兰乡村小路上的垃圾堆积
IF 1.3 4区 工程技术 Q4 ENGINEERING, CIVIL Pub Date : 2004-09-01 DOI: 10.1680/MUEN.2004.157.3.185
N. Gray, R. Gray
Ireland has a vast network of minor rural roads that are immensely important to both tourism and general amenity. However, the litter problem associated with such roads is growing steadily and is attracting adverse comment not only within Ireland but also from abroad. The purpose of this pilot project was to develop a simple methodology to measure litter density, to quantify the litter problem in a randomly selected 100 km2 area in County Wicklow, and to suggest possible remedial actions. The key recommendations focus on the removal of large litter items prior to verge and hedge mowing; a levy on beverage containers, which are the single largest littering item; the periodic removal of litter; community involvement in litter abatement and collection; and the prevention of accidental littering from vehicles and rural refuse collection points.
爱尔兰拥有庞大的乡村公路网络,这些公路对旅游和公共设施都非常重要。然而,与此类道路相关的垃圾问题正在稳步增长,不仅在爱尔兰国内,而且在国外也引起了反对意见。这个试点项目的目的是制定一种简单的方法来测量凋落物密度,在威克洛郡随机选择的100平方公里区域内量化凋落物问题,并建议可能的补救行动。主要建议侧重于在修剪边缘和树篱之前清除大量垃圾;对饮料容器征税,因为这是最大的垃圾;定期清除垃圾;社区参与减少和收集垃圾;防止车辆和农村垃圾收集站意外乱扔垃圾。
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引用次数: 6
Public leisure facilities: managing customer expectations 公共休闲设施:管理顾客期望
IF 1.3 4区 工程技术 Q4 ENGINEERING, CIVIL Pub Date : 2004-06-01 DOI: 10.1680/MUEN.2004.157.2.129
Leigh Robinson
This paper examines the impact of customer expectations on the management of public leisure services, arguing that public leisure providers will need to shift their attention from the management of service quality, to focus on the management of customer expectations of their services.
本文考察了顾客期望对公共休闲服务管理的影响,认为公共休闲服务提供者需要将注意力从服务质量管理转移到顾客对其服务期望的管理上。
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引用次数: 5
Walking—social, health and economic benefits, and the law 行走——社会、健康和经济利益,以及法律
IF 1.3 4区 工程技术 Q4 ENGINEERING, CIVIL Pub Date : 2004-06-01 DOI: 10.1680/MUEN.2004.157.2.111
J. Fewster
Walking is Britain's most popular outdoor pastime. It is good for health and, particularly in rural areas, good for the economy. Walkers in England spend £6 billion every year, generating in the region of 200 000 full-time jobs. Rights of way are afforded excellent legal protection. However, despite this, in England 35% of paths are difficult or impossible to use, and in Wales around half of all paths are unsatisfactory, and around a third are unusable. Highway authorities have the duty to protect and assert the public's rights to use footpaths and other highways, and new legislation—the Countryside and Rights of Way Act 2000—is introducing new duties and powers for these authorities.
散步是英国最受欢迎的户外消遣。它有利于健康,特别是在农村地区,有利于经济。英国的步行者每年花费60亿英镑,创造20万个全职工作岗位。通行权受到良好的法律保护。然而,尽管如此,在英格兰,35%的道路很难或无法使用,在威尔士,大约一半的道路令人不满意,大约三分之一的道路无法使用。公路管理部门有责任保护和维护公众使用人行道和其他公路的权利,而新的立法——《2000年农村和道路权利法案》——正在为这些管理部门引入新的职责和权力。
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引用次数: 5
Public toilets: The need for compulsory provision 公共厕所:强制提供的必要性
IF 1.3 4区 工程技术 Q4 ENGINEERING, CIVIL Pub Date : 2004-06-01 DOI: 10.1680/MUEN.2004.157.2.77
C. Greed
There is no mandatory requirement for local authorities to provide public toilets. Yet, it is argued, they are a vital component in creating accessible, sustainable and comfortable cities for all. In this paper the reasons for compulsory standards are explained, and the underlying problems of current provision and regulation are investigated. The nature of a spatial toilet strategy in respect of the adequate distribution and location of public toilets is outlined. Changes in the regulatory and organisational aspects of public toilet provision are proposed that would result in a better standard of facilities for twenty-first century needs.
没有强制性要求地方政府提供公共厕所。然而,有人认为,它们是为所有人创造无障碍、可持续和舒适城市的重要组成部分。本文解释了强制性标准产生的原因,并对现行规定和监管的潜在问题进行了探讨。在公共厕所的适当分布和位置方面,概述厕所空间策略的性质。建议在公共厕所的规管和组织方面作出改变,以提高设施的标准,以满足二十一世纪的需要。
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引用次数: 28
New approaches to sustainable tourism in Devon 德文郡可持续旅游的新方法
IF 1.3 4区 工程技术 Q4 ENGINEERING, CIVIL Pub Date : 2004-06-01 DOI: 10.1680/MUEN.2004.157.2.121
E. Chorlton
Devon can lay claim to being one of England's favourite counties. It possesses an outstanding environment, and also serves as a year-round premier tourism destination. Devon County Council (DCC) is adopting innovative approaches to providing high-quality sustainable tourism. These approaches promote year-round sustainable tourism through initiatives such as a new customer-focused tourism web portal, managing England's first natural World Heritage Site and integrating tourism and economic development in a remote rural area. Devon is also enhancing opportunities for people to enjoy access to the countryside. Linked to DCC's status as a Centre of Excellence for Transport Planning, the county council's sustainable travel initiatives include improving facilities for walking, cycling and leisure travel by public transport. This paper assesses the successes and challenges of strategic approaches to sustainable tourism with particular emphasis on transport networks.
德文郡可以说是英格兰最受欢迎的郡之一。它拥有优越的环境,也是全年首屈一指的旅游目的地。德文郡议会(DCC)正在采用创新的方法来提供高质量的可持续旅游。这些方法通过诸如建立以顾客为中心的新旅游门户网站、管理英格兰首个世界自然遗产以及在偏远农村地区整合旅游和经济发展等举措,促进全年可持续旅游。德文郡还增加了人们享受乡村生活的机会。与DCC作为交通规划卓越中心的地位相联系,郡议会的可持续旅行倡议包括改善步行,骑自行车和公共交通休闲旅行的设施。本文评估了可持续旅游战略方法的成功和挑战,特别强调交通网络。
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引用次数: 0
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Proceedings of the Institution of Civil Engineers-Municipal Engineer
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