Evaluation of Sustainable Waste Materials in Asphalt Paving Mixtures

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DOI:

https://doi.org/10.3759/ttea.v6i1.1519

Abstract

Generating recycled tires, disposable plastic bottles and waste engine oil are important  problem in Iraq and there is need to solve it  . The waste materials can be considered  as an alternative materials in road pavement technology and the using of these materials would be a solution to converse the environment from pollution in one hand and modifying the asphalt paving materials on the other hand. The two waste materials (recycled tire rubber and plastic bottles) have been evaluated as supplementary materials by with (3, 6, 9 and 12) % by total weight of aggregate retained on 2.36 mm sieve. The waste engine oil was used as an asphalt cement modifier and it was added as partial replacement of asphalt content by with (5, 10 and 15) % by weight of asphalt. This experimental work aimed to use Marshall properties, indirect tensile strength, immersion-compression and wheel track tests to determine the influence of different waste materials on the performance of compacted asphalt paving materials of highways. The study concluded that  the 12%PB mixtures seem to produce a reduction in the density and rut depth, an increase in air void, VMA, Marshall stability and indirect tensile strength. The recycled tires with 9% by total weight of aggregate retained on (2.36mm) sieve exhibited high resistance to water damage. The indirect tensile strengths of the asphalt mixtures incorporated waste oil engine were lower than those of the control mix and these modified mixtures have a good resistance to moisture damage.

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Published

2019-04-24

Issue

Vol. 6 No. 1 (2019)

Section

Research Article

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