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EVALUATION OF THE ENVIRONMENTAL IMPACT OF ROAD PAVEMENTS FROM A LIFE CYCLE PERSPECTIVE

机译:从生命周期的角度评估道路路面的环境影响

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摘要

The road infrastructure has a major environmental impact by covering important land surfaces and consuming enormous amounts of raw materials for construction and maintenance. The impact of transport pavements needs to be considered from the design stage and to be examined during the whole life cycle of the infrastructure: raw materials extraction and initial transformation, manufacturing, placement on site, exploitation, maintenance, and demolition. This paper evaluates the impact of asphalt and concrete pavements. Two specific case studies, both involving alternatives available for the construction of pavements, namely the conventional flexible pavement designed according to national standard versus the modern steel fibre-reinforced roller-compacted concrete (SFR-RCC) pavement have been undertaken. These alternatives have been analysed, using the GaBi software, to assess their environmental aspects relating to the sustainability concept. After a detailed discussion of the main results obtained in these studies, conclusions and recommendations for an efficient selection of the construction alternatives are formulated.
机译:道路基础设施覆盖重要的陆地表面并消耗大量的原材料用于建筑和维护,因此会对环境造成重大影响。需要从设计阶段就考虑运输路面的影响,并在基础设施的整个生命周期中进行检查:原材料提取和初始转换,制造,现场放置,开发,维护和拆除。本文评估了沥青和混凝土路面的影响。已经进行了两个具体的案例研究,都涉及可用于建造人行道的替代方法,即根据国家标准设计的传统柔性路面与现代钢纤维增强的碾压混凝土(SFR-RCC)路面。已使用GaBi软件对这些替代方案进行了分析,以评估其与可持续性概念相关的环境方面。在详细讨论了这些研究中获得的主要结果之后,提出了有效选择施工替代方案的结论和建议。

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    'Gheorghe Asachi' Technical University of Iasi, Faculty of Civil Engineering, 43 Prof. Dr. docent Dimitrie Manger on Street, Iasi, 700050 Romania;

    'Gheorghe Asachi' Technical University of Iasi, Faculty of Civil Engineering, 43 Prof. Dr. docent Dimitrie Manger on Street, Iasi, 700050 Romania;

    'Gheorghe Asachi' Technical University of Iasi, Faculty of Chemical Engineering and Environmental Protection, 73 Prof. Dr. docent Dimitrie Manger on Street, Iasi, 700050 Romania;

    'Gheorghe Asachi' Technical University of Iasi, Faculty of Civil Engineering, 43 Prof. Dr. docent Dimitrie Manger on Street, Iasi, 700050 Romania,Academy of Romanian Scientists, 54 Splaiul Independentei, RO-050094 Bucharest, Romania;

    'Gheorghe Asachi' Technical University of Iasi, Faculty of Civil Engineering, 43 Prof. Dr. docent Dimitrie Manger on Street, Iasi, 700050 Romania;

    'Gheorghe Asachi' Technical University of Iasi, Faculty of Chemical Engineering and Environmental Protection, 73 Prof. Dr. docent Dimitrie Manger on Street, Iasi, 700050 Romania,Academy of Romanian Scientists, 54 Splaiul Independentei, RO-050094 Bucharest, Romania;

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  • 正文语种 eng
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  • 关键词

    energy consumption; environmental impact; life-cycle assessment; pavements;

    机译:能源消耗;对环境造成的影响;生命周期评估;人行道;

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