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Evaluating the life cycle environmental impact of short span bridges
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Engineering and Bridges.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Engineering and Bridges.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Engineering and Bridges.
2016 (English)In: 19th IABSE Congress Stockholm: Challenges in Design and Construction of an Innovative and Sustainable Built Environment, 2016Conference paper (Refereed)
Abstract [en]

Bridge infrastructure consumes large amount of energy and raw materials, leading to considerable environmental burdens. The traditional infrastructure construction prioritizes its technical and economic viability. In recent years, the society devotes an ever-increased attention to the environmental impact of the construction sector. Life cycle assessment (LCA) is a systematic method for assessing the environmental impact of products and systems, but its application in bridges is scarce. In Swede, most of the bridges are short spans and the type of concrete slab-frame bridge (CFB) accounts for a large share. Soil steel composite bridge (SSCB) is a functional equivalent solution for CFB. In order to mitigate the environmental burdens of short span bridges, this paper performed a comparative LCA study between these two types of bridge. The results indicate that the initial material consumption is critical through the whole life cycle. The case of SSCB shows preferable environmental performance over CFB in most of the examined indicators.

Place, publisher, year, edition, pages
2016.
Keyword [en]
concrete slab frame bridge; soil steel composite bridge; soil steel flexible culverts; LCA; CO2 emission; sustainable construction; life cycle assessment; global warming; climate change
National Category
Engineering and Technology
Research subject
Civil and Architectural Engineering
Identifiers
URN: urn:nbn:se:kth:diva-189722OAI: oai:DiVA.org:kth-189722DiVA: diva2:948388
Conference
19th IABSE Congress Stockholm
Available from: 2016-07-11 Created: 2016-07-11 Last updated: 2016-07-12

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Pettersson, LarsKaroumi, Raid
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