The Effect of Using Polyethylene Terephthalate (PET) Polymer on the Marshall Testing Characteristics of Asphalt Mixture (AC-WC)

Authors

Keywords:

AC-WC, Aspal, Polyethylene Terepthalate (PET)

Abstract

Asphalt is a brownish-black material and is viscoelastic so it will soften and melt when it gets sufficient heating. This viscoelastic property makes asphalt able to envelop and hold the aggregate in place during the production process and the service period. The purpose of this study is to determine the characteristics of marshall. In this study, Polyethylene Terepthalate (PET) was used as an additive in AC-WC asphalt concrete. This research was carried out by adding pieces of plastic bottles which were cut with a size of ±2mm so that it was easy and fast when melting. For this test is done by dry (dry process). Before adding PET, first make a test object from the middle boundary gradation. Then, PET was added to the aggregate mixture, namely 1%, 3%, 5% and 7% by weight of asphalt. The results showed that the best marshall characteristics were the addition of 3% Polyethylene Terepthalate (PET), with a stability value of 1618.859 kg. However, all the percentages of PET in this study such as VMA, VIM, VFA, Stability, Flow, Marshall quotient (MQ) values have met the 2018 Bina Marga specifications even though the values are unstable or fluctuate.

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References

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