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Assessment of the attributes based life cycle assessment framework for road projects
KTH, School of Architecture and the Built Environment (ABE), Transport Science, Highway and Railway Engineering.ORCID iD: 0000-0002-4270-8993
KTH, School of Architecture and the Built Environment (ABE), Transport Science, Highway and Railway Engineering.ORCID iD: 0000-0003-0889-6078
2015 (English)In: Structure and Infrastructure Engineering, ISSN 1573-2479, E-ISSN 1744-8980Article in journal (Refereed) Published
Abstract [en]

Number of life cycle assessment (LCA) tools has been suggested for pavements. However, very few have been adopted by the road authorities. Key reasons for this lack of implementation have been the tendency for very broad LCA analyses that include system boundaries considerably beyond the more natural system boundaries associated with road design, construction and maintenance as well as the lack of available LCA tools that have attributes that reflect key road properties. In this paper, a new attributesbased pavement LCA framework is evaluated for use on real road materials. Aggregates from two different sources and the effect of using a warm mix asphalt additive (WMAA) in asphalt mixtures were investigated in the laboratory. Different pavement design alternatives were generated using the laboratory data and analyzed using the road LCA framework. Asphalt production and material transportation were found to be the most energy consuming processes. The results presented showed that having actual pavement material properties as the key attributes in LCA enables a pavement focused assessment of environmental impacts associated with different design options and, LCA can help in decision support by evaluating environmental impacts of different design alternatives in a project planning/design stage.

Place, publisher, year, edition, pages
Taylor & Francis, 2015.
Keyword [en]
Pavement management, Life cycles, Decision support systems, Roads & highways, Performance characteristics.
National Category
Environmental Engineering Civil Engineering
Research subject
Civil and Architectural Engineering
URN: urn:nbn:se:kth:diva-171417DOI: 10.1080/15732479.2015.1086388ISI: 000379180200013ScopusID: 2-s2.0-84945232698OAI: diva2:843713

QC 20160413

Available from: 2015-07-30 Created: 2015-07-30 Last updated: 2016-08-12Bibliographically approved

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Butt, Ali AzharBirgisson, Björn
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