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All Journal Jurnal Teknik Sipil Jurnal Sains & Teknologi Lingkungan
Pangestika, Safety Husna
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Transportation

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KINERJA REOLOGI ASPAL MODIFIKASI BELERANG BERDASARKAN PENGUJIAN STANDAR AASHTO Susanto, Hery Awan; Saputro, Dani Nugroho; Pangestika, Safety Husna; Pamudji, Gandjar; Bhagaskara, Miftah Gita
Jurnal Teknik Sipil Vol. 18 No. 4 (2026)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v18i4.13166

Abstract

Peningkatan permintaan infrastruktur jalan mendorong inovasi aspal modifikasi belerang (4-6%) untuk meningkatkan ketahanan perkerasan. Berdasarkan uji propertis AASHTO/SNI pada aspal PEN 60/70, kadar 4% belerang meningkatkan densitas (+7,7%) tanpa segregasi, sedangkan kadar 5-6% meningkatkan fleksibilitas (daktilitas +12,3%) dan kelunakan (penetrasi +17,7%). Namun, kadar >4% menurunkan titik nyala (-39,8%) dan viskositas (-30,01%), meningkatkan risiko kebakaran dan rutting. Kadar 4-5% optimal untuk menyeimbangkan performa reologi dan risiko, direkomendasikan untuk aplikasi di iklim dingin dengan pengawasan suhu ketat dan uji emisi gas (H₂S/SO₂). Penelitian lanjutan dapat mengkombinasikan belerang dengan polimer seperti crumb rubber untuk mitigasi kelemahan. Kata kunci: Aspal modifikasi, Belerang, Reologi, AASHTO, Uji Propertis
Sustainable Pavement Development Through Plastic Bottle Waste Utilization: A Performance and Cost Analysis: english Pangestika, Safety Husna; Ikhsani, Muhammad Azmy; Ayu, Artanti Kusuma
Jurnal Sains & Teknologi Lingkungan Vol. 18 No. 2 (2026): SAINS & TEKNOLOGI LINGKUNGAN
Publisher : Teknik Lingkungan Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jstl.vol18.iss2.art7

Abstract

Indonesia is ranked among the top eight countries contributing the largest amount of plastic waste globally, producing approximately 3.4 million tons annually. One potential strategy to address this issue is the utilization of plastic waste in asphalt mixtures, which can enhance road infrastructure performance. This study employs mineral water bottle waste made of Polyethylene Terephthalate (PET), which is abundantly available but remains underutilized. In this research, PET was substituted into AC-WC asphalt mixtures using the wet mixing method with variations of 0%, 2%, 5%, 6%, and 8%. Each variation was tested using the Marshall method at the optimum asphalt content (OAC) to evaluate the mixture characteristics. Unlike previous studies that mainly emphasized technical aspects, this research also considers cost efficiency. The findings indicate that the optimum level was achieved at 5% PET, which increased the mixture strength by up to 28.44% compared to conventional asphalt, while reducing construction costs by as much as 2.02%. These results demonstrate that incorporating mineral water bottle waste not only improves pavement strength but also offers economic benefits and supports efforts to reduce plastic waste
Co-Authors Ayu, Artanti Kusuma Bhagaskara, Miftah Gita Gandjar Pamudji, Gandjar Hery Awan Susanto Ikhsani, Muhammad Azmy Saputro, Dani Nugroho