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All Journal Jurnal Sains dan Teknologi Sinergi Proceedings ACES (Annual Civil Engineering Seminar) RACIC : Rab Construction Research Syntax Literate: Jurnal Ilmiah Indonesia Rang Teknik Journal SIKLUS: Jurnal Teknik Sipil Jurnal Rekayasa Sipil Jurnal Ilmiah Rekayasa Sipil Publikasi Riset Orientasi Teknik Sipil (Proteksi) Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks Journal of Coastal and Ocean Sciences Journal of Integrated and Advanced Engineering (JIAE) Jurnal Talenta Sipil SAINSTEK Jurnal Bangunan: Konstruksi & Desain Jurnal Teknik Sipil Journal of Civil Engineering and Vocational Education
Elsa Eka Putri
Department Of Civil Engineering, Faculty Of Engineering, Universitas Andalas
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Physics Social Sciences Transportation Other

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Journal : Journal of Integrated and Advanced Engineering (JIAE)

 1 
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.
Assessment of factors causing landslides using the Analytical Hierarchy Process (AHP) method Andriani, Andriani; Adji, Bayu Martanto; Putri, Elsa Eka; Safira, Lafie Fathya
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.v4i1.127

Abstract

Landslides are Indonesia's second most common disaster in the last ten years. Landslides cause losses, reaching hundreds of billions and threatening human safety. For this reason, it is necessary to take action to reduce the negative impact of landslides. Physical and non-physical mitigation can occur before, during, and after a disaster. The most essential thing in disaster mitigation is knowing the major factors that cause landslides. This research aims to analyze the major and minor factors that cause landslides using the Analytical Hierarchy Process (AHP) and the Likert scale. Respondents in this research are experts in disasters, especially landslides—respondents from universities in Indonesia, practitioners, and people involved in disaster mitigation. Validity and reliability tests were carried out on each question used in the questionnaire. The research results show that the landslide disaster was caused by a disruption in balance that occurred due to internal and external disturbance factors. The major external factors that cause slope failures are the cutting of hills and changes in land use to built-up areas. In contrast, the major internal factors that trigger landslides are heavy rainfall and steep topographic conditions. The results of this research in the form of weight and scoring values for each factor causing landslides can be used as a reference for mapping landslide areas to identify areas with the potential for landslides.
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 ', Purnawan ', Suriyatno AA Sudharmawan, AA Abdul Hakam Abdul Latif Abdul Latif Agustiawan, Herri Aidil Kurniawan, Aidil Akhyarul-An Agusyaini Alqadri, Farid Andriani Andriani Anisa, Zahra Arasy, Reza Maulana Arniza Fitri Basri, Doni Rinaldi Basri Bayu Martanto Adji, Bayu Martanto Chairi, Maiyozzi Dedi Iskandar Dedi Iskandar Dewi Nur Atieqah Binti Baharun Alam Fadhil Sandy Pratama Fitri, Arniza Gungat, Lillian Hermis ta nora Hermistanora, Hermistanora Herri Agustiawan Jamal, Riko Jayawarsa, A.A. Ketut Kaspari, Arialde Kurniati, Titi Lillian Gungat Ling, Heah Yee M Luthvan Syaftria Nanda Maiyozzi Chairi Makinda, Jodin Martua, Parasian Oscar Masyhuri (Masyhuri) Masyhuri Hamidi, Masyhuri Mubarak Mubarak Muhammad Aminsyah Muhammad Iqbal Musrifin Galib Nilda Tri Putri Pin, Wong Hooi Pratama, Nicko Purnawan Purnawan , Purnawan Purnawan Purnawan Putra, Nopolion Eka Riddo Fatra Riddo Fatra, Riddo Rio Andika Rullyvianda, Rayhan Safira, Lafie Fathya Syaftria Nanda, M Luthvan Syamsuwirman Syamsuwirman Titi Kurniati Wahyu Agus Setiawan Wiwik Budiawan Yosritzal, Yosritzal Yossyafra Yossyafra Yulandi, Wiki