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How to implement an urban highway concession: A case study on the design implications of the Chilean urban highways program.

机译：如何实施城市公路特许经营：以智利城市公路计划的设计意义为例。

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摘要

This thesis studies the role of design values in the development of urban highway concessions in Chile. The objective is to understand the interplay between urban design values and other variables involved in the implementation process, such as economic structuring of the franchise, environmental awareness, participation and politics. The goal is to determine those particular moments where design played a significant role in the decision-making process and to establish how it is affected in the context of private concessions.; Chile has experienced over the last decade a regime change characterized by increased democratization and incorporation of private interests in the development of public infrastructure. Chilean government started in 1992 an ambitious concessions program aimed to build new infrastructure for the country, having its pinnacle in the urban highway program for the capital city of Santiago. The first highway implemented within this program that also serves as the case for this thesis is Costanera Norte. The difficulties to trace this toll-road within the city fabric opened a space for controversy and debate without precedents in Chilean history, making it a valuable case to revise.; This work studies the different alternative alignments for Costanera Norte using a qualitative analysis that determines how design improvements relate to the history of the case. Those observations were correlated to specific moments in the process where design played a key role in the development of the project. From the study, it was determined that the highway design and its urban insertion improved with the concessions model. Incentives in the concessionaries for promoting creative changes in the design were higher than those from the authorities. These private incentives were related to concession timing and interests for increasing costs to obtain higher governmental subsidies and guarantees, but also came from emerging environmental scrutiny and citizen pressure.; The end result is a highway with minimized impact in the city, thus providing a better designed road and improving the urban quality of Santiago. Nevertheless, the circumstances involved and the imperfections found in the process should be rectified in order to maintain the merits and social benefits of the concession model.
机译：本文研究了设计价值在智利城市公路特许经营权发展中的作用。目的是了解城市设计价值与实施过程中涉及的其他变量之间的相互作用，例如特许经营权的经济结构，环境意识，参与和政治。目的是确定设计在决策过程中发挥重要作用的特定时刻，并确定在私人让步的情况下如何影响设计。过去十年来，智利经历了政权更替，其特征是民主化程度提高，私人利益纳入了公共基础设施的发展。智利政府从1992年开始实施一项雄心勃勃的让步计划，旨在为该国建设新的基础设施，使其在首都圣地亚哥的城市公路计划中占据了举足轻重的地位。在该计划中实施的第一条高速公路也是该论文的案例，它是Costanera Norte。难以在城市结构中追踪这条收费公路，这为智利历史上没有先例的争议和辩论提供了空间，使其成为一个有价值的修改案例。这项工作使用定性分析研究了Costanera Norte的不同替代方案，该定性分析确定了设计改进与案件历史的关系。这些观察与过程中的特定时刻相关，在该时刻设计在项目的开发中起着关键作用。通过研究，可以确定，特许经营模式可以改善高速公路的设计及其城市插入。优惠产品中促进设计创新的激励措施高于政府部门的激励措施。这些私人激励措施与为获得更高的政府补贴和担保而增加成本的优惠时机和利益相关，但也源于新兴的环境审查和公民压力。最终结果是高速公路对城市的影响最小，从而提供了设计更好的道路并提高了圣地亚哥的城市质量。但是，应纠正所涉及的情况和过程中发现的缺陷，以保持特许经营模式的优点和社会效益。

著录项

  • 作者

    Allard, Pablo.;

  • 作者单位

    Harvard University.;

  • 授予单位 Harvard University.;
  • 学科 Urban and Regional Planning.; Transportation.; Architecture.
  • 学位 D.Des.
  • 年度 2003
  • 页码 265 p.
  • 总页数 265
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 区域规划、城乡规划;综合运输;建筑科学;
  • 关键词

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