Environmental Management, floGeco, Natters, Austria 6161.
Environ Sci Technol. 2013 Aug 6;47(15):8453-61. doi: 10.1021/es400309e. Epub 2013 Jul 18.
The subject of this paper is an environmental life cycle assessment (LCA) and life cycle cost analysis (LCCA) of processes needed to construct and maintain representative Swiss asphalt, concrete, and composite pavements (including subbase layers) applicable for the Swiss national road network over a period of 75 years. The environmental indicators analyzed are the global warming potential indicator, the nonrenewable cumulative energy demand, and the Swiss ecological scarcity indicator. Processes of the use phase of the road (fuel consumption, noise, etc.) have been evaluated qualitatively based on intensive research. The study shows that the global warming potential of concrete and asphalt pavements equilibrates over the analysis period and that concrete pavements compared to asphalt and composite pavements offer advantages in regards to the nonrenewable cumulative energy demand, the ecological scarcity indicator, and life cycle costs. The qualitative evaluation of the processes of the use phase shows for example the positive qualities of concrete pavements regarding fuel consumption and permanent noise properties.
本文的主题是对瑞士代表性的沥青、混凝土和复合路面（包括底基层）的建设和维护过程进行环境生命周期评估（LCA）和生命周期成本分析（LCCA），这些过程适用于瑞士国家公路网，时间跨度为 75 年。分析的环境指标包括全球变暖潜势指标、不可再生能源累积需求和瑞士生态稀缺指标。道路使用阶段的过程（燃料消耗、噪声等）已根据深入研究进行了定性评估。研究表明，混凝土和沥青路面的全球变暖潜势在分析期内达到平衡，与沥青和复合路面相比，混凝土路面在不可再生能源累积需求、生态稀缺指标和生命周期成本方面具有优势。使用阶段过程的定性评估例如显示了混凝土路面在燃料消耗和永久噪声特性方面的优势。
