An investigation of the effect of thermoplastic additives in asphalt concrete mixtures on the properties of different types of asphalt concrete

نویسندگان

چکیده

The effect of modification asphalt concrete mixtures different grain sizes with “Ric-Polycell” (Ukraine) and “Duroflex®-SMA” thermoplastic polymers (Germany), which were added directly to the mixer during their preparation, on properties was studied. It is confirmed that it more expedient use stone mastic concretes a larger size mineral crushed grains high-traffic roads, as they are rutting-resistant compared smaller content grains. temperature preparation thermostating modified investigated thermoplastics compressive strength at 50 °С, made studied mixtures, investigated. found maximum possible temperatures mixes provide complete modification. in composition rutting resistance fine-grained concrete, well adding polymer amount 1.5 % 3 by weight bitumen increases under conditions 2.52–3.86 times. Modification additive 0.3 0.6 aggregate similar technology also allows increasing obtained 1.86–3.16 Using these modifiers future will have positive service life entire pavement structure

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ژورنال

عنوان ژورنال: Eastern-European Journal of Enterprise Technologies

سال: 2021

ISSN: ['1729-3774', '1729-4061']

DOI: https://doi.org/10.15587/1729-4061.2021.227806