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Perancangan Geometri Jalan Rel Kereta Api Cepat Surabaya – Jakarta Berdasarkan Jalur Eksisting Stasiun Pasar Turi – Stasiun Lamongan (KM. 0+000 – KM. 41+046) Harnan, Cahya Rafiyoga; Utomo, Nugroho; Fatikasari, Aulia Dewi
Jurnal Talenta Sipil Vol 9, No 1 (2026): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v9i1.1173

Abstract

Trains have become a reliable mode of land transportation as they can avoid traffic congestion, operate on structured schedules, and offer high passenger and freight capacity. Technological advancements have led to the development of high-speed trains capable of traveling over 300 km/h on dedicated, unobstructed tracks, enhancing travel efficiency and regional connectivity. In Indonesia, the Jakarta–Surabaya high-speed rail project is expected to facilitate mobility, reduce congestion on the Pantura corridor, and complement conventional lines such as the Pasar Turi–Lamongan route. This study aims to analyze the horizontal and vertical alignment design, rail elevation dimensions, and the location of gradient transitions on the high-speed rail line between Pasar Turi and Lamongan stations. The geometric planning of the high-speed rail uses references from Minister of Transportation Regulation No. 7 of 2022 and the book Jalan Rel by Suryo Hapsoro Tri Utomo, with secondary topographic data from Google Earth Pro processed using Global Mapper and Civil 3D. The results indicate that the horizontal alignment is designed with speeds below 350 km/h—specifically 300 km/h, 250 km/h, and 120 km/h—to avoid overlap in closely spaced curves, while the vertical alignment is planned for a design speed of 350 km/h with concave and convex vertical radii of 25,000 meters and a gradient of less than 2%. The study concludes with a rail elevation of 175 mm, curve radii of 8,000 meters for 350 km/h, eight SCS-type curves with some lower-speed segments to prevent spiral overlap, and a vertical alignment on an elevated track with eight curve points, a radius of 25,000 meters, and a maximum gradient of 2%.
Analisis Perbandingan Kerusakan Jalan pada Ruas Jalan Lingkar Bypass Krian Menggunakan Metode PCI (Pavement Condition Index) dan Metode SDI (Surface Distress Index) Risgun Alham; Ibnu Sholichin; Aulia Dewi Fatikasari
Reslaj: Religion Education Social Laa Roiba Journal Vol. 7 No. 9 (2025): RESLAJ: Religion Education Social Laa Roiba Journal
Publisher : Intitut Agama Islam Nasional Laa Roiba Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47467/reslaj.v7i9.8667

Abstract

The Krian Bypass Ring Road is an alternative road built to reduce congestion at the center of economic activity in the Krian community. The Krian Bypass Ring Road is divided into 2 parts, namely the West Krian Bypass Ring Road with a length of 4.20 KM and the East Krian Bypass Ring Road with a length of 3.54 KM. Road damage can be caused by several factors, including water, changes in temperature, air temperature, weather, unstable soil conditions, pavement construction materials, poor compaction processes on the subgrade layer, vehicle volume, and also vehicle loads that exceed capacity (Nur, 2023). Several types of road damage resulting from road pavement in general are cracking, deformation, hole damage, surface texture damage, pavement edge damage, utility excavation patches and patches. This research uses PCI and SDI methods. In the PCI method, the severity of pavement damage is a function of 3 main factors, namely: type of damage, severity of damage, number or density of damage. The SDI method is the latest method in accordance with the 2011 Directorate General of Highways regarding road condition survey guidelines. By carrying out this research, it is hoped that we will be able to determine the value of the conditions on the Krian Bypass road, and identify the types of road damage. Knowing the comparison of road condition values ​​from the results of analysis using the PCI (Pavement Condition Index) and SDI (Surface Distress Index) methods.
ANALISIS KINERJA BOX CULVERT TERHADAP DEBIT BANJIR RENCANA DI KECAMATAN PAKAL SURABAYA Afrizal, Ricky Farrel; Ramadhan, Reza Surya; Fatikasari, Aulia Dewi
axial : jurnal rekayasa dan manajemen konstruksi Volume 14, Nomor 1, April Tahun 2026
Publisher : Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/axial.v14i1.5093

Abstract

Kota Surabaya termasuk wilayah yang memiliki tingkat kerawanan terhadap bencana banjir, salah satunya berada di Kecamatan Pakal. Upaya penanganan banjir melalui pembangunan infrastruktur drainase juga sejalan dengan tujuan pembangunan berkelanjutan, khususnya SDGs ke-9 yang menitik beratkan pada pembangunan infrastruktur yang tangguh serta inovasi teknologi. Tercatat bahwa di kawasan ini terdapat kurang lebih tujuh titik genangan yang sempat terjadi dalam beberapa waktu terakhir. Penelitian ini bertujuan untuk mengevaluasi kinerja dimensi box culvert dalam upaya pengendalian banjir di Kecamatan Pakal, Surabaya. Metode penelitian dilakukan melalui analisis data curah hujan harian periode 2009–2024 menggunakan Distribusi Log Pearson Tipe III untuk memperoleh curah hujan rencana. Selanjutnya, debit banjir rencana dihitung dengan metode rasional. Kapasitas hidrolis box berukuran 7,00 m × 3,50 m dan kemiringan rencana sebesar 0,0005%, dianalisis menggunakan persamaan Manning guna mengetahui kemampuan saluran dalam mengalirkan debit banjir. Hasil perhitungan menunjukkan bahwa kapasitas box culvert yang direncanakan mampu menampung debit sebesar 61,197 m³/det, yang nilainya lebih besar dibandingkan debit banjir periode ulang 10 tahun sebesar 14,03 m³/det. Dengan demikian, dimensi box culvert tersebut dinilai efektif dalam menurunkan potensi genangan di wilayah Kecamatan Pakal.
Motorcycle Passenger-Car Equivalents from Time-Headway Data with Lane-Occupancy Adjustment in Urban Indonesia Aulia Dewi Fatikasari; Achmad Dzulfiqar Alfiansyah; Zaid Dzulkarnain Zubizaretta; Rohmahillah Aviskanasya Septiandri; Agistya Rachma Larasati; Roma Artha Uly Napitupulu; Linie Rose Dayaday Santacera; Sinta Nabilah Salma
Advance Sustainable Science Engineering and Technology Vol. 8 No. 2 (2026): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v8i2.2458

Abstract

Motorcycles dominate traffic composition in East Surabaya, making the determination of Passenger Car Equivalent (PCE) values for motorcycles a crucial aspect of road performance assessment. This research evaluates motorcycle PCE value on six road sections on Raya Prapen Street, Jemursari Street, Jemur Andayani Street, Panjang Jiwo Street, Kali Rungkut Street, and Rungkut Industri Street, each observed in two directions (12 segments in total), with samples collected during peak hours on Monday (06:00–10:00) and Friday (15:00–19:00). The Time Headway method is used to calculate the PCE value, and followed by statistical procedures, including t-tests and the calculation of the coefficient of determination, were performed using SPSS software. Findings show a strong correlation between PCE values and the characteristics of each road section. The adjusted motorcycle PCE values range from 0.12 to 0.20 across all sections, with site-wise pairs for direction 1/direction 2 as follows: Raya Prapen 0.20/0.16, Jemursari 0.18/0.19, Jemur Andayani 0.14/0.12, Panjang Jiwo 0.20/0.19, Kali Rungkut 0.15/0.16, and Rungkut Industri 0.15/0.14. The result coefficient of determination of R2 = 0.817 indicates a strong association between Time Headway and PCE Values. This research is limited by the assumption of a uniform motorcycle dimension factor across all sections.