PENGARUH PENAMBAHAN MINYAK CURAH PADA ASPAL PEN 60/70 TERHADAP KARAKTERISTIK ASPAL

Karli Nurdiana, Handi (2025) PENGARUH PENAMBAHAN MINYAK CURAH PADA ASPAL PEN 60/70 TERHADAP KARAKTERISTIK ASPAL. Skripsi thesis, UNIVERSITAS SANGGA BUANA YPKP.

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Abstract

Abstrak Penelitian ini bertujuan untuk mengetahui pengaruh penambahan minyak curah terhadap karakteristik aspal Pen 60/70, serta menentukan persentase campuran yang paling optimal. Latar belakang dari penelitian ini adalah perlunya peningkatan kinerja aspal pada perkerasan jalan di Indonesia yang memiliki iklim tropis dengan intensitas lalu lintas yang tinggi. Minyak curah dipilih sebagai bahan aditif karena memiliki sifat tahan air dan elastisitas tinggi. Metode yang digunakan meliputi pengujian terhadap berbagai parameter karakteristik aspal, antara lain penetrasi, viskositas kinematis, titik lembek, daktilitas, titik nyala, kelarutan, berat jenis, stabilitas penyimpanan, TFOT, dan elastic recovery. Campuran minyak curah ditambahkan ke dalam aspal Pen 60/70 dengan variasi 3,5%, 5%, dan 7%. Hasil penelitian menunjukkan bahwa penambahan minyak curah memberikan pengaruh terhadap peningkatan elastisitas dan stabilitas termal aspal, namun pada persentase tertentu dapat menurunkan kekentalan dan nilai titik nyala. Komposisi campuran optimum ditemukan pada kadar 5% minyak curah, yang memberikan keseimbangan antara fleksibilitas dan kestabilan. Penelitian ini memberikan kontribusi sebagai alternatif inovasi modifikasi aspal dengan bahan yang memiliki sifat mekanik unggul, serta dapat dikembangkan lebih lanjut untuk aplikasi di lapangan. Kata kunci: Aspal Pen 60/70, minyak curah, karakteristik aspal, modifikasi aspal, perkerasan jalan. Abstract This research aims to investigate the effect of adding bulk oil to Pen 60/70 asphalt on its physical characteristics and to determine the optimum percentage of the additive. The background of this study lies in the need to improve asphalt pavement performance in Indonesia's tropical climate with high traffic intensity. Bulk oil was chosen as an additive due to its water-resistant and highly elastic properties. The study applied various tests including penetration, kinematic viscosity, softening point, ductility, flash point, solubility, specific gravity, storage stability, TFOT, and elastic recovery. Bulk oil was added to Pen 60/70 asphalt in 3.5%, 5%, and 7% variations. The results showed that the addition of bulk oil improved the asphalt’s elasticity and thermal stability, although higher percentages tended to reduce viscosity and flash point. The optimal composition was found at 5% bulk oil content, which provided a balance between flexibility and stability. This research contributes to innovative alternatives for asphalt modification using materials with superior mechanical properties, and it offers potential for further field application development. Keywords: Pen 60/70 asphalt, bulk oil, asphalt characteristics, asphalt modification, road pavement.

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