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All Journal Jurnal Sains dan Teknologi Sinergi Jurnal Dampak Prosiding Forum Studi Transportasi Antar Perguruan Tinggi INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Rang Teknik Journal Jurnal Rekayasa Sipil Astonjadro Jurnal Hilirisasi IPTEKS (JHI) Jurnal Ilmiah Rekayasa Sipil Jurnal Pembangunan Nagari Jurnal Civronlit Unbari Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks Journal of Integrated and Advanced Engineering (JIAE) Jurnal Pendidikan dan Pengabdian Masyarakat Journal of Civil Engineering and Vocational Education
Yosritzal, Yosritzal
Civil Engineering Department, Universitas Andalas, Indonesia
Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Transportation Veterinary Other

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Journal : Journal of Integrated and Advanced Engineering (JIAE)

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The effect of rising prices of subsidized fuel on the use of private cars Yosritzal, Yosritzal; Anisa, Zahra; Putri, Elsa Eka
Journal of Integrated and Advanced Engineering (JIAE) Vol 4, No 1 (2024)
Publisher : Akademisi dan Saintis Indonesia (ASASI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51662/jiae.v4i1.125

Abstract

The rising fuel prices on September 3, 2022, are expected to reduce the use of private cars and increase the use of public transport. This expectation has raised optimism among public transport operators and is expected to encourage them to invest more. However, there is no evidence to support the expectation. Therefore, it is essential to study the effect of the fuel price on the use of a particular transport mode, thus motivating this study. This paper aims to investigate the impact of the rising costs of subsidized fuel on private cars. A Likert-scale type of questionnaire was used to collect data. The data was analyzed descriptively, and then a conclusion was made based on the results. The study found that the daily commute of respondents changed after fuel prices increased. Distance, duration, and frequency of travel tend to be reduced and prioritized over primary activities. To reduce travel costs, the respondents who usually use cars are more likely to use motorcycles than public transport. The findings of this study disprove that an increase in fuel prices would increase the use of public transport. Why is public transport less favoured compared to motorcycles? It seems that the quality of service provided by public transport fails to satisfy the consumers' needs.
Marshall Characteristics and Durability of Hot Rolled Sheet–Wearing Course Using Rubber Asphalt Putri, Elsa Eka; Putri, Nilda Tri; Alqadri, Farid; Andriani, Andriani; Yosritzal, Yosritzal
Journal of Integrated and Advanced Engineering (JIAE) Vol 4, No 2 (2024)
Publisher : Akademisi dan Saintis Indonesia (ASASI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51662/jiae.v4i2.126

Abstract

Many road damages are caused by road construction that does not follow standards, so evaluating road conditions and choosing the appropriate asphalt for each state is essential. So, in this study, the asphalt mixture was modified using rubber asphalt with a percentage of rubber of 7% in the Hot Rolled Sheet-Wearing Course (HRS-WC). This study aimed to identify the effect of rubber asphalt on Marshall's characteristics and durability in HRS-WC. The method in this study is the Marshall Test and the calculation of the durability index on the test specimen with an immersion time of 0.5, 24, 72, and 168 hours at a temperature of 60°C. From the test results, the Optimum Asphalt Content (OAC) value of the rubber asphalt mixture was 7.13% with Marshall characteristic values of 4078.686 kg, flow 3.266 mm, MQ 1270.676 kg/mm, VMA 21.487%, VFB 71.983%, and VIM 6.062%. From the durability test results, the Residual Strength Index (RSI) value entered the specification only until the 24-hour immersion time with a value of 94.891%. The First Durability Index (FDI) and Second Durability Index (SDI) values are positive, where the mixture loses strength with increasing immersion time. It can be concluded that using rubber asphalt in HRS-WC is good enough for pavement because almost all Marshall characteristics were included in the specifications used. The stability value in the rubber asphalt mixture is higher than that of the pen—60/70 asphalt mixture. However, the level of durability of the rubber asphalt mixture is relatively low because it can only last up to 24 hours of immersion. Therefore, HRS-WC using rubber asphalt is unsuitable in areas with low groundwater levels or areas that often flood.
Co-Authors AA Sudharmawan, AA Abdullah Sani Afioni, Nurul Qori Aidil Kurniawan Akhyarul-An Agusyaini Alqadri, Farid Andriani Andriani Aner Yuweti Anisa, Zahra Bayu Martanto Adji, Bayu Martanto Benny Hidayat Detik Marietta Dewi Puspa Dilum Dissanayake, Dilum Dita Oktaviani Putri Eka Hasmatati Putri Elsa Eka Putri Evita Kartikaratu Repadi Fadhil Sandy Pratama Febrian, Viky Feri Novrizal, Feri Fitra Rifwan Gunawan, Hendra Gusman, Gusman Hendra, Seprino Hidayat Hidayat Irwan Yuhesdi Ismail Ismail Jayawarsa, A.A. Ketut Junaidi Junaidi Margaret Bell, Margaret Melinda Noer Nilda Tri Putri Purnawan . Purnawan Purnawan Revi Andika, Revi Riko Jamal Rini Amelia Sari Rizki Aziz Seprino Hendra Sri Ramayanti Sri Ramayanti Titi Kurniati Toni Antonius Veiga Mustika Agenta Wiwik Budiawan Yossyafra Yossyafra