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Pengaruh Karakteristik Aspal Modifikasi Getah Pinus Terhadap Peluruhan Campuran Aspal Porus: Effect of pine resin modified asphalt on the draindown of porous asphalt mixture Ratna Yuniarti; Made Mahendra; I D M Alit Karyawan; Desi Widianty; Fera Fitri Salsabila
JURNAL SAINS TEKNOLOGI & LINGKUNGAN Vol. 9 No. 4 (2023): JURNAL SAINS TEKNOLOGI & LINGKUNGAN
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v9i4.531

Abstract

A porous asphalt mixture is a type of pavement that allows water to drain through, thereby reducing the amount of surface runoff and improving road safety. To drain water quickly, porous asphalt is dominated by coarse aggregate so that the voids in the mixture become larger. Draindown, which is the loss of asphalt binder from the mixture, can cause blockages and reduce the ability of the pavement to drain rainwater. The use of modified asphalt is expected to increase the bonding between the asphalt and aggregate to withstand loading but meet draindown requirements. The pine resin used as an asphalt modifier in this study was 2%, 3%, 4%, and 5%, whereas the percentage of gumrosin was 4% by weight of the modified asphalt. Modified asphalt testing includes the penetration, softening point, ductility, and weight loss. The mixing process of the aggregate with modified asphalt was carried out at 160 °C with asphalt contents of 4.5%, 5%, and 5.5% by weight of the asphalt mixture. The results showed that the penetration value, ductility, and weight loss of the modified asphalt increased, while the softening point decreased with the addition of pine resin. In general, the physical properties of the modified asphalt have a significant effect on the draindown value. Referring to the draindown specifications of the porous asphalt mixture (0.3 %), this requirement is fulfilled in all modified asphalt compositions and asphalt contents used in this study.
ANALISIS KINERJA LALU LINTAS RUAS JALAN DI KABUPATEN SUMBAWA MENGGUNAKAN PTV VISSIM (STUDY OF ROAD TRAFFIC MANAGEMENT AND ENGINEERING IN SUMBAWA DISTRICT) FERA FITRI SALSABILA; DESI WIDIANTY; RATNA YUNIARTI; KHAIRUNISA APRILIANA; I DEWA MADE ALIT KARYAWAN; ACHMAD FAJAR NAROTAMA SARJAN
GANEC SWARA Vol 18, No 4 (2024): Desember 2024
Publisher : Universitas Mahasaraswati K. Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/gara.v18i4.1188

Abstract

To anticipate the potential trends of traffic problems in the future, a series of traffic management and engineering efforts need to be carried out on the roads in Sumbawa Regency (Sumbawa Besar). This study aims to obtain a traffic study of the road segments in Sumbawa Regency to implement traffic management and engineering. The study was conducted on six road segments using inventory surveys and Traffic Counting (TC), as well as 21 intersections using inventory surveys and Classified Turning Moving Counting (CTMC), which were then analyzed using the PTV Vissim application. Based on the analysis, the results indicate that the signal cycle change scenario can improve the level of service at signalized intersections. In addition, a comparison was made between alternatives and existing conditions in traffic safety management, which resulted in better existing conditions.
Co-Authors ACHMAD FAJAR NAROTAMA SARJAN Desi Widianty I D M Alit Karyawan Karyawan, I Dewa Made Alit KHAIRUNISA APRILIANA Made Mahendra Ratna Yuniarti