Title
Life cycle assessment of bituminous pavements produced at various temperatures in the Belgium context Life cycle assessment of bituminous pavements produced at various temperatures in the Belgium context
Author
Faculty/Department
Faculty of Applied Economics
Faculty of Applied Engineering Sciences
Publication type
article
Publication
Oxford ,
Subject
Economics
Chemistry
Biology
Engineering sciences. Technology
Source (journal)
Transportation research: part D: transport and environment. - Oxford
Volume/pages
41(2015) , p. 306-317
ISSN
1361-9209
ISI
000366079900024
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Bituminous mixture is the premier material for road construction in Belgium. Innovative technologies to improve energy efficiency of pavement constructions are necessary. Warm mix asphalt may provide significant energy savings to the asphalt industry, but the environmental impact of the total life cycle has to be investigated. The use of additives may counteract the reduced environmental impact due to energy savings. This paper presents the results of an environmental impact assessment of four wearing course test sections. Using life cycle assessment, hot mix asphalt is compared to a cold asphalt mix with emulsion and warm mix asphalt with two types of additives: a synthetic zeolite and an organic FischerTropsch wax. Neither hot nor warm mix asphalt could be preferred based on the results of this study, because the additive has a major influence on the environmental results. It was seen that the production of bitumen, the transport and energy in order to generate heat mainly contribute to the total environmental impact. The results from the sensitivity analyses show that the total environmental impact of the life of the pavement can vary significantly based on the choice of the specific data source and service life.
E-info
https://repository.uantwerpen.be/docman/iruaauth/9bf4c1/128592.pdf
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