DOI: 10.5593/sgem2017/41/S18.038


C. Racanel, A. G. Tanasescu, M. G.Toma
Tuesday 12 September 2017 by Libadmin2017

References: 17th International Multidisciplinary Scientific GeoConference SGEM 2017, www.sgem.org, SGEM2017 Conference Proceedings, ISBN 978-619-7408-06-5 / ISSN 1314-2704, 29 June - 5 July, 2017, Vol. 17, Issue 41, 293-300 pp, DOI: 10.5593/sgem2017/41/S18.038


Recycling - the process of transforming waste into new materials - represent a modern alternative for eliminating waste and reducing emissions of greenhouse gases. Recycling - part of the 3Rs (Reduce, Reuse, Recycle) in the hierarchy of waste – helps to reduce the consumption of raw materials and to reduce energy consumption, air pollution (in phase of combustion waste) and water (in phase of waste storage). Among the recyclable materials such as glass, paper, plastic, metal, textiles are used tires. These tires are a source of waste because of the high volume of products - requires large storage space, enhanced tire durability and the fact that the ecological tire components is a big problem – they are non-biodegradable materials. Often the tires are burnt to the detriment of environment but there are concerns constantly using them as recyclable material. Thus, between the uses of recycled tire it is crumb rubber modifier that used in asphalt mixture leads to a Rubber Modified Asphalt Mixture type. In this context fits this paper that shows a possibility of using rubber asphalt mixture used in the wearing course of pavement. It is studied in the laboratory the mix of aggregate, filler and bitumen (AC12.5 asphalt mixture type) together with an addition of Road+ additive (containing crumb rubber) and Gilsonite additive (pure bitumen) compared to the mixture without additives. The aim is obtaining better physical and mechanical characteristics that lead to good behavior asphalt layer in service.

Keywords: asphalt mixtures, crumb rubber, Gilsonite, wam mix technology

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