DBPapers
DOI: 10.5593/sgem2017H/43/S18.028

TESTING OF THE INFLUENCE OF RECLAIMED ASPHALT PAVEMENT AND MANUFACTURE WASTE ASPHALT SHINGLES ON THE PROPERTIES OF ASPHALT CONCRET

P. Zielinski
Thursday 23 November 2017 by Libadmin2017

References: 17th International Multidisciplinary Scientific GeoConference SGEM 2017, www.sgemviennagreen.org, SGEM2017 Vienna GREEN Conference Proceedings, ISBN 978-619-7408-28-7 / ISSN 1314-2704, 27 - 29 November, 2017, Vol. 17, Issue 43, 221-228 pp; DOI: 10.5593/sgem2017H/43/S18.028

ABSTRACT

The aim of the paper is evaluation of the influence of the additives of reclaimed asphalt pavement (RAP) and manufacture waste asphalt shingles (MWAS) on the chosen properties of asphalt concrete mixture. Laboratory tests were performed on the asphalt concrete samples with additive of 20% RAS and 1% WMAS. The scope of the study included the following tests: stiffness modulus at three temperatures (5°C, 15°C and 30°C), indirect tensile strength in dry and wet conditions, fatigue properties, and resistance to low temperature cracking. The test results were compared with reference asphalt concrete samples. Statistical analysis of the results allowed to conclude that the properties of the mixtures with RAS and MWAS addition are more favourable than reference mixture, particularly in the case of stiffness modulus, indirect tensile strength and fatigue properties. At the same time, there was no significant change in the resistance of asphalt concrete to low temperature cracks and water action. The results show that used recycled additives (RAP and MWAS) can be a valuable source of materials for asphalt pavements construction.

Keywords: Reclaimed asphalt pavement (RAP), Manufacture waste asphalt shingles (MWAS), Indirect tensile strength (ITS), Stiffness modulus, Low temperature cracking.

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