期刊
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
卷 51, 期 -, 页码 84-89出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tust.2015.10.027
关键词
Tunnel management; Lighting; LED; Cost analysis; Road pavement materials
This paper presents a life cycle cost analysis, which compares construction, maintenance, and lighting costs needed to manage a highway tunnel. As regards the decision making process, it often considers only construction costs. Instead even maintenance and lighting, especially related to road tunnels, cause important cash flows. Therefore, both construction and managing costs have to be planned, in order to assess the cheapest solution. The lighting system of a road tunnel must guarantee the visual guidance for users moving at design speed and without hazardous actions. In this case study, the authors designed the pavement according to Italian standards and the lighting system according to Italian and European technical rules (UNI and UNI EN standards). They used LED technologies to maximize energy saving and road safety. The examined case study shows the importance of the surface pavement material, since it may contribute to the inter-reflected light and reduce electric energy consumption. (C) 2015 Elsevier Ltd. All rights reserved.
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