Environmental analysis of bridges in a life cycle perspective
|Institusjon||Norwegian University of Science and Technology|
|Nøkkelord||Bridge Design, Environmental Performance, Life Cycle Assessment, Global Warming, Acidification, Abiotic Depletion|
|Utgiver||Tapir Akademisk Forlag|
|Adresse utgiver||Tapir Akademisk Forlag Besøksadresse: Nardoveien 12 Postadresse: Postboks 2461 Sluppen 7005 Trondheim|
AbstraktLife Cycle Assessment (LCA) is a very useful tool for investigating environmental aspects for bridges. Large amounts of materials are consumed in construction of bridges and they are structures with long lifetimes. During the lifetime additional materials and energy is consumed, in operation, repair and management actions. LCA is an analysis tool that embraces all such effects, from raw material production, through construction and use, to demolition. A full LCA shall cover a high amount of pollutants and hence several environmental concerns, like for instance global warming, acidification, eutrophication etc.
LCA is used here in two studies. The first is a detailed study (full LCA) comparing two alternative bridge designs for one site. The second study is a slightly simplified study of several built bridges in Norway, comparing different bridge designs per effective bridge surface area.
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Ecoinvent (2008). Ecoinvent Database v2.01, Swiss Centre For Life Cycle Inventories.
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Brattebø, H., Hammervold, J., Reenaas, M., 2009. Environmental Effects – Life Cycle Assessment of Bridges. ETSI Stage 2, Sub Project 2, Department of Hydraulic and Environmental Engineering, Norwegian University of Science and Technology (NTNU), Norway
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