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All Journal RACIC : Rab Construction Research Advance Sustainable Science, Engineering and Technology (ASSET)
Aulia Dewi Fatikasari
Universitas Pembangunan Nasional Veteran Jawa Timur
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EVALUASI ALINYEMEN HORIZONTAL JALAN RAYA RUAS JALAN SITUBONDO-BAJULMATI (KABUPATEN BANYUWANGI) STA 0+000 – STA 5+000 Himawan Ario Wicaksono; Nugroho Utomo; Aulia Dewi Fatikasari
Racic : Rab Construction Research Vol. 10 No. 2 (2025): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v10i2.5549

Abstract

The Situbondo City - Bajulmati Road Section (Banyuwangi Regency) is one of the national roads connecting Situbondo City and Banyuwangi Regency. This road section is one of the national roads with a fairly high accident rate given the condition of the road on the hills. The frequent occurrence of traffic accidents on this road section is caused by the topography of the road which has hilly characteristics. The hilly topography causes the Situbondo City - Bajulmati (Banyuwangi Regency) STA 0+000 - STA 5+000 road section to have a road with long inclines and descents that have a risk of brake failure and loss of control of the vehicle on steep and cornering roads. The horizontal alignment evaluation uses the Bina Marga Method in the form of the 2021 Road Geometric Design Guidelines. This guideline is the latest guideline issued by Bina Marga in 2021 to replace the 1997 Road Geometric Planning Procedure. Horizontal alignment evaluation is carried out by analyzing the degree of bend, bend radius, length of the transition curve and type of horizontal bend. From the results of the evaluation of the horizontal alignment of the highway on the Situbondo City - Bajulmati Road section (Banyuwangi Regency), it is known that the calculation of the horizontal alignment using the Bina Marga method results in a horizontal alignment evaluation of 13 Spiral-Circle-Spiral type bends.
Analisis Tingkat dan Upaya Pemeliharaan Kerusakan Jalan Soenandar Priyo Sudarmo, Kabupaten Sidoarjo Anggi Dwi Anggraeny; Ibnu Sholichin; Aulia Dewi Fatikasari
Racic : Rab Construction Research Vol. 11 No. 1 (2026): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v11i1.6473

Abstract

Soenandar Priyo Sudarmo Road has a relatively high traffic intensity, especially heavy vehicles that support industrial activities in the Prambon area. This causes the road to often experience significant pressure and leading to various types of damage. Road damage needs to be taken seriously, as it directly impacts road service levels. Based on this This research aims to evaluate the extent of damage and the corresponding maintenance strategies for Soenandar Priyo Sudarmo Road. Primary data used includes road damage data and riding quality data, while secondary data includes geometric road data. This study employs the Indrasurya and Dirgolaksono (1990) method to analyze the severity of road damage and identify suitable maintenance strategies. The analysis results indicate that most road segments fall into the moderately critical damage category, with a Road Damage Value ranging from 40 to 90. The Riding Quality (RQ) assessment showed that most road sections were in the RQ3 (fair) category, meaning that standard speeds could still be achieved despite vibrations and more than two rough spots. Based on the obtained road damage values, most road segments are recommended for moderate maintenance, such as manual patching, sealing, and skin patching. Meanwhile, segments with minor damage are recommended for light maintenance, such as pothole repair, crack sealing, and leveling.
PERENCANAAN GEOMETRIK JALUR GANDA KERETA API LINTAS STASIUN ARJASA HINGGA STASIUN KALISAT (KM. 203 + 170 -KM. 214 + 200) Syafira Salsabilla; Nugroho Utomo; Aulia Dewi Fatikasari
Racic : Rab Construction Research Vol. 11 No. 1 (2026): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v11i1.6708

Abstract

Indonesia, as a country with vast territory and a continuously growing population, faces significant challenges in providing adequate transportation infrastructure. Railways have become one of the most preferred modes of transportation among the public, making the improvement of railway line capacity an urgent necessity particularly along the southern Surabaya–Banyuwangi corridor, which has not yet been fully developed into a double track. One such segment is the line from Arjasa Station to Kalisat Station. On this segment, train frequency remains limited due to the single-track configuration, which impacts various sectors. This study focuses on the Arjasa–Kalisat segment, which includes three stations: Arjasa, Kotok, and Kalisat. The objective of this research is to evaluate the line’s transport capacity and geometric track design as part of the efforts to develop a double-track railway. The analysis shows that the transport capacity of the segment reaches 3,983,126 tons per year and is classified as a Class IV railway. This segment uses R.54 type rails with a gauge of 1,067 mm, comprising 13 horizontal curves with radii ranging from 270 to 850 meters, and 23 vertical curves with a radius of 6,000 meters. These findings provide a crucial foundation for planning future railway infrastructure improvements to support smooth mobility and regional economic growth.
EVALUASI KINERJA SIMPANG BERSINYAL PADA PERSIMPANGAN JALAN RADEN PANJI SUROSO-JALAN SUNANDAR PRIYO SUDARMO-JALAN LAKSDA ADI SUCIPTO KOTA MALANG Achmad Rodiyan Alaik; Ibnu Sholichin; Aulia Dewi Fatikasari
Racic : Rab Construction Research Vol. 11 No. 1 (2026): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v11i1.7093

Abstract

Urban area growth has led to increased traffic volume, necessitating an evaluation of signalized intersection performance to maintain smooth transportation. This study aims to analyze the performance of the signalized intersection at Jalan Raden Panji Suroso–Jalan Sunandar Priyo Sudarmo–Jalan Laksda Adi Sucipto in Malang City, evaluate existing conditions, project traffic conditions for a 5-year planning horizon, and assess the effectiveness of intersection improvements. The method involved field surveys during morning and evening peak hours, processing traffic volume data in passenger car units (PCU), and analyzing capacity, degree of saturation, queue length, and delay according to the Indonesian Road Capacity Guidelines (PKJI 2023). The results show that the existing condition is at Level of Service (LOS) E with a degree of saturation (DS) of 0.87 and an average delay of 0.87 s/PCU. The 5-year projection without improvements remains at LOS E with DS 0.97. After implementing improvements, including road widening, additional traffic signs, heavy vehicle restrictions, and signal cycle optimization, the intersection performance improved to LOS C with DS 0.83–0.78 and average delay 0.73 s/PCU, indicating a more stable flow and reduced waiting time. This study provides a foundation for planning and upgrading intersections to enhance traffic performance
PERENCANAAN RUTE BARU ANGKUTAN KOTA (MANTUP – LAMONGAN KOTA) DI KABUPATEN LAMONGAN Aldiky Kurniawan; Fithri Estikhamah; Aulia Dewi Fatikasari
Racic : Rab Construction Research Vol. 11 No. 1 (2026): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v11i1.7106

Abstract

Kabupaten Lamongan mengalami peningkatan aktivitas ekonomi dan mobilitas, terutama pada koridor Lamongan selatan menuju pusat kabupaten, sedangkan moda transportasi umum belum menjangkau Kecamatan Mantup sehingga masyarakat bergantung pada sepeda motor, yang memicu perjalanan mahal, risiko kecelakaan, dan kesenjangan akses. Penelitian ini bertujuan merencanakan rute baru angkutan kota Mantup–Lamongan Kota yang layak secara operasional dengan mengkaji karakteristik calon pengguna, kebutuhan armada, headway, load factor, serta jumlah dan lokasi titik henti. Data primer diperoleh melalui survei kuesioner dengan sampel menggunakan rumus Slovin, sedangkan data sekunder berupa jumlah penumpang angkutan kota rute Babat–Lamongan 2020–2024 digunakan sebagai pembanding. Hasil analisis menunjukkan sekitar 60 persen penumpang menuju Lamongan berasal dari kawasan Mantup, sehingga diusulkan rute Mantup–Lamongan–Mantup sepanjang 21 km, tujuh armada, headway 31,5 menit, dan lima titik henti. Proyeksi lima tahun menunjukkan kenaikan load factor dari 72,69 persen menjadi 77,49 persen sehingga rute dinilai potensial meningkatkan aksesibilitas dan mengurangi ketergantungan kendaraan pribadi.
Integrated 1D-2D Resistivity Inversion for Mapping Seawater Intrusion in a Coastal Aquifer:  Kenjeran-Surabaya, Indonesia Case Study Himatul Farichah; Bagas Aryaseta; Aulia Dewi Fatikasari; Dini Oktavia
Advance Sustainable Science Engineering and Technology Vol. 8 No. 1 (2026): November - January
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v8i1.3002

Abstract

This study investigates the extent of intrusion in the Kenjeran coastal aquifer, Surabaya, Indonesia, through an integrated geophysical approach. Four one-dimensional Vertical Electrical Sounding (VES) surveys and two two-dimensional Electrical Resistivity Tomography (ERT) transects were conducted using Schlumberger and Wenner–Schlumberger configurations to obtain both depth-specific and laterally continuous resistivity data. The 1D VES results detected low-resistivity layers (<1.0 Ω·m) at depths exceeding 58–66 m, indicating deep saline groundwater. The 2D ERT sections identified wedge-shaped low-resistivity anomalies (0.1–0.8 Ω·m) at depths of 7.5 m to 48 m, indicating active intrusion progressing inland. Intrusion is more severe in the northern sector, with vertical penetration up to 48 m and horizontal encroachment beyond 200 m from the shoreline. The integration of 1D and 2D resistivity imaging proved effective in delineating saline–freshwater interfaces, enabling targeted mitigation measures and informed groundwater management to safeguard Kenjeran’s aquifer from further degradation.
Co-Authors Achmad Rodiyan Alaik Aldiky Kurniawan Anggi Dwi Anggraeny Aryaseta, Bagas Dini Oktavia Fithri Estikhamah Himatul Farichah Himawan Ario Wicaksono Ibnu Sholichin Syafira Salsabilla Utomo, Nugroho