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Environmental impact assessment of steel bridges
Luleå tekniska universitet.
1998 (English)In: Journal of constructional steel research, ISSN 0143-974X, E-ISSN 1873-5983, Vol. 46, no 1-3, p. 291-293Article in journal (Refereed) Published
Abstract [en]

The Swedish Institute of Steel Construction has made LCAs on steel and concrete composite road bridges in order to detect important environmental impact parameters and to find areas where improvements are necessary. Two of the most common bridge types were studied. Combustion engines in vehicles contribute to a big share of the airborne emissions, such as CO2 and NOx. In spite of the small amounts, alloys as Molybdenum contribute to most of the environmental burden from the materials according to one assessment method. This put steel in a less favourable position when comparing LCA results with other materials. The concrete in steel bridges contributes to almost 50% of the environmental impact and the fact that steel bridges need less material than concrete bridges, shows that steel bridges are good environmental choices. Three assessment methods have been used to get multi-comparable and objective assessment results. The use of the bridge (traffic) is the most polluting part during the life cycle. The study has resulted in a report, SBI Report 183:1. (LCA: life cycle assessment.)

Place, publisher, year, edition, pages
1998. Vol. 46, no 1-3, p. 291-293
National Category
Building Technologies
Research subject
Steel Structures
Identifiers
URN: urn:nbn:se:ltu:diva-9675DOI: 10.1016/S0143-974X(98)80031-XLocal ID: 8561bfa0-9b8e-11dd-94de-000ea68e967bOAI: oai:DiVA.org:ltu-9675DiVA, id: diva2:982613
Note
Godkänd; 1998; 20081016 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-21Bibliographically approved

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