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A multi-criteria analysis for bridge sustainability assessment: a case study of Penang Second Bridge, Malaysia

机译：桥梁可持续性评估的多标准分析：以马来西亚槟城第二桥为例

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摘要

Bridges are a critical part of our nation's economic prosperity and local community well-being. One of the latest trends in bridge engineering is sustainable design, which is designing so that resources are available for many generations to come. Sustainable design considers the ecological, economic and socio-cultural environments and works to balance all three. There are some sustainable infrastructure rating systems (RSs) available, such as Envision that can be applied to bridges. However, no system has been developed that would specifically apply to bridge sustainability assessment. The objectives of this study are first, to investigate bridge sustainability issues from three main aspects: environmental, economical and social; and second, to apply multi-criteria analysis to assess the sustainability of the Penang Second Bridge in Malaysia. A hierarchy structure of the sustainable bridge attributes was developed for each RS, and an analytical hierarchy process method was then applied for the appraisal of the sustainability of a bridge pertaining to the relative attributes. The research involved a committee of Malaysian bridge professionals to support the rational decision-making. The results reveal that the case study has achieved most of the criteria of the sustainability assessments.
机译：桥梁是我们国家经济繁荣和当地社区福祉的关键部分。桥梁工程的最新趋势之一是可持续性设计，即进行设计，以便为后代提供可用的资源。可持续设计考虑了生态，经济和社会文化环境，并努力平衡这三个方面。有一些可持续的基础设施评估系统（RS），例如Envision，可以应用于桥梁。但是，尚未开发出专门适用于桥梁可持续性评估的系统。本研究的目的是首先从三个主要方面研究桥梁可持续性问题：环境，经济和社会;第二，运用多准则分析来评估马来西亚槟城第二大桥的可持续性。为每个RS开发了可持续桥梁属性的层次结构，然后将分析层次过程方法应用于评估与相对属性有关的桥梁的可持续性。该研究涉及一个由马来西亚桥梁专业人士组成的委员会，以支持理性决策。结果表明，案例研究已达到可持续性评估的大多数标准。

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