USE OF UHMWPE AS AN ADDITIVE IN ASPHALT MIXTURE

Nugroho, Benediktus Angga Adi (2021) USE OF UHMWPE AS AN ADDITIVE IN ASPHALT MIXTURE. S1 thesis, Universitas Atma Jaya Yogyakarta.

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Abstract

Indonesia is the fourth most populated country in the world. Total vehicles in Indonesia is 154,376,369 units in 2018-2020, which means there are around 232 units’ vehicles every km. However, many roads in Indonesia can’t provide minimal conditions for preventing destructions due to failure of the road. The purpose of this study was to investigate the Marshall Test’s properties effect (such as: Marshall Stability, Flow, Marshall Quotient, Density, VFWA, and VITM) of adding crumb of Ultra High Molecular Weight Polyethylene (UHMWPE) into asphalt mixture, as UHMWPE is a polymeric material that known as the strongest. In this study, two different UHMWPE’s crumb contents (1% and 2% by weight of aggregate’s total weight) and two different UHMWPE’s crumb sizes (#50 and #3/4”) were investigated. A comparative study was done among the unmodified and modified asphalt mixture. The results showed that UHMWPE is recommended as an additive in asphalt mixture, as all the results are within the standard requirements. The addition of UHMWPE tends to increase the strength, higher durability and quality of mixture.

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