KOMPARASI PENGARUH LIMBAH PLASTIK LDPE DAN LIMBAH PLASTIK PET PADA CAMPURAN ASPALTH AC-WC DITINJAU DARI KARAKTERISTIK MARSHALL
DOI:
https://doi.org/10.37971/radial.v13i2.567Keywords:
LDPE plastic waste, PET plastic waste, AC-WC asphalt, Marshall characteristics, Road Pavement StabilityAbstract
This research examines road construction innovation through the application of plastic asphalt in response to increasing land transportation loads. Since its introduction in Indonesia in 2017, this technology offers dual benefits: improved pavement performance and reduced plastic waste. Conventional asphalt has limitations in stability and water resistance, thus LDPE and PET are considered as substitute materials in AC-WC mixtures. This study compares the effect of LDPE according to the 2017 Directorate General of Highways Specifications and modified PET on Marshall characteristics using qualitative comparative analysis (QCA) of studies by Anwar and Alkam et al. The results show that 4% LDPE substitution increases Marshall stability by 27.60%, while 1.2% PET increases it by 30.67%. PET is more effective in increasing stability, while LDPE has greater potential for large-scale, sustainable utilization of plastic waste.
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