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首页> 外文期刊>Journal of Infrastructure Systems >Realized Economic Efficiency of Road Project Delivery Systems
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Realized Economic Efficiency of Road Project Delivery Systems

机译：道路项目交付系统的经济效益实现

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摘要

Lately project delivery methods where the implementer offers broader service packages are increasingly used in infrastructure projects worldwide. At the same time, the number of alternative project delivery methods has increased making selection of the best one difficult. The road authority must understand the features of the methods in order to select the most effective ones in terms of economic efficiency. To assist in the selection, this research compared the operating principles and performance of design-bid-build, construction management, design-build (DB), and design-build-maintain (DBM) based on an international interview survey and an extensive literature review. Opinions presented by the interviewees and literature review all pointed to the same direction. Based on the analysis of road procurement, broader service packages give, on average, better value for the money and enable clients to attain their goals better than more traditional methods. DB and DBM seem to outperform more conservative procurement methods both in cost and value generation terms. Each method, however, is particularly suitable for specific projects and should be selected accordingly.
机译：近年来，在全球范围内的基础设施项目中，越来越多地使用实施者提供更广泛的服务包的项目交付方法。同时，替代项目交付方法的数量也增加了，使得最佳方案的选择变得困难。道路当局必须了解这些方法的特征，以便从经济效率方面选择最有效的方法。为了协助选择，本研究根据国际访谈调查和大量文献，比较了设计竞标建造，施工管理，设计建造（DB）和设计建造维护（DBM）的操作原理和性能。评论。受访者提出的观点和文献综述都指向同一方向。根据对道路采购的分析，平均而言，更广泛的服务组合可带来更高的性价比，并使客户比其他传统方法更好地实现目标。在成本和价值创造方面，DB和DBM的表现似乎都优于保守的采购方法。但是，每种方法特别适合于特定项目，应相应选择。

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