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Low Emission2 Asphalt Pavement

Authors: M. HUURMAN; E. DEMMINK; J. QIU; B. DE BRUIN; C. KUIJPER; H. KERSTEN;

Low Emission2 Asphalt Pavement

Abstract

This article presents the results of the LE2AP Life+ project. LE2AP is acronym for Low Emission2 Asphalt Pavement, where the 2 indicates that emission of pollutants and noise are considered. LE2AP concentrates on a novel way of circular asphalt recycling. Key issues in LE2AP are that reclaimed asphalt is first decomposed into its components. Reclaimed aggregates hardly containing bitumen and bitumen rich mortar sand, which is a mixture of bitumen, filler and sand, are obtained. The mortar sand is used as the main ingredient for quality LE2AP mortar. During production LE2AP mortar is heated without meeting a flame or superheated air and is homogenized and treated with rejuvenator and soft bitumen. LE2AP mortar is then foamed and fed into the mixer where it is mixed with reclaimed stone at 100-110°C to obtain an asphalt mixture of high quality, containing a high percentage of reclaimed material and produced at low temperature. The LE2AP project is partially funded by a LIFE+ grant and it is believed that LE2AP may contribute to much needed circular asphalt recycling at lowered temperature and low emissions. LE2AP came to provisory conclusions in October/November 2016 with the installation of two two-layer PA, porous asphalt, test sections with a combined length of 2.3 km. Key properties of these test sections are: production temperature: 110-125°C, noise reduction: 8.3-8.4 dB(A), re-use: 82%-93%, CO2 reduction: 51%. The performance of the test sections is being monitored and until now (September 2017) the sections perform well.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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Average
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