The Use of Waste Plastic as a Partial Substitution Aggregate in Asphalt Concrete Pavement
Abstract: As a developing
country, Indonesia faces serious problems managing solid waste such as plastic.
Annually, Indonesia produces approximately 5.4 million tons of waste plastic,
accounting for 14% of the country’s total solid waste production. Using waste
plastic as a partial substitution aggregate in asphalt concrete pavement would
be one of solutions for reducing environmental problems from the high volume of
waste plastic. Previous studies show that it may be possible to use waste
plastic in road pavement to improve the engineering performance of road pavement
and increase its service life. This study investigates the performance of
asphalt concrete mixtures containing varying amounts of waste plastic as a
partial aggregate substitution as compared to that of conventional mixtures. The
waste plastic used in this study was chopped into small pieces of approximately
passing sieve number 30 and retained sieve number 40, which would replace (by
weight) a portion of the mineral aggregates. All mixtures were prepared using
5.82% optimum bitumen content. The performance of asphalt concrete
characteristics was studied using the Marshall test, The Indirect Tensile
Strength (ITS) test, The Indirect Tensile Stiffness Modulus (ITSM) test, and
the Cantabro Loss (CL) test in terms of strength, stiffness modulus, and
durability characteristics. In general, aboratory results showed that asphalt
concrete mixtures containing waste plastic have higher performance than conventional
asphalt concrete mixtures.
Author: Imam Aschuri
Kode Jurnal: jptsipildd160465
