Title
Review and environmental impact assessment of green technologies for base courses in bituminous pavements
Author
Faculty/Department
Faculty of Applied Economics
Faculty of Applied Engineering Sciences
Publication type
article
Publication
New york :Elsevier science inc ,
Subject
Chemistry
Biology
Engineering sciences. Technology
Source (journal)
Environmental impact assessment review. - Boston, Mass.
Volume/pages
60(2016) , p. 139-147
ISSN
0195-9255
ISI
000380592300013
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
This paper provides a critical review of different approaches applied in the Belgian asphalt sector in order to reduce the environmental impact of bituminous road construction works. The focus is on (1) reusing reclaimed asphalt pavement, (2) reducing the asphalt production temperature, and (3) prolonging the service life of the pavement. Environmental impact assessment of these methods is necessary to be able to compare these approaches and understand better the ability to reduce the environmental impact during the life cycle of the road pavement. Attention should be drawn to the possible shift in environmental impact between various life cycle stages, e.g., raw material production, asphalt production, or waste treatment. Life cycle assessment is necessary to adequately assess the environmental impact of these approaches over the entire service life of the bituminous pavement. The three approaches and their implementation in the road sector in Flanders (region in Belgium) are described and the main findings from life cycle assessment studies on these subjects are discussed. It was found from the review that using reclaimed asphalt pavement in new bituminous mixtures might yield significant environmental gains. The environmental impact of the application of warm mix asphalt technologies, on the other hand, depends on the technique used.
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