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All Journal Jurnal Teknik Sipil Jurnal Talenta Sipil
Pratama, Mochammad Choirusydhia
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Civil Engineering, Building, Construction & Architecture Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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ANALISIS KESESUAIAN DIMENSI STRUKTUR BALAS PADA JALUR LINTAS KERETA API SURABAYA – BANYUWANGI SEGMEN JEMBER – KALISAT PADA TITIK KM. 197+900 – KM. 198+400 Harnan, Cahya Rafiyoga; Pratama, Mochammad Choirusydhia; Utomo, Nugroho
Jurnal Teknik Sipil Vol 14 No 2 (2024): Jurnal Teknik Sipil
Publisher : Civil Engineering Study Program Faculty of Engineering, University of Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36546/tekniksipil.v14i2.1485

Abstract

Jalur kereta api Surabaya-Banyuwangi merupakan rute strategis yang menghubungkan Jawa Timur dengan pelabuhan dan destinasi wisata di Banyuwangi. Penelitian ini fokus pada segmen Jember- Kalisat km 197+900 – 198+400 untuk mengevaluasi kesesuaian dimensi struktur balas dengan standar teknis yang berlaku. Metode yang digunakan adalah kuantitatif dengan pendekatan deskriptif, dimana survei lapangan dilakukan untuk mengukur dimensi balas menggunakan waterpass. Hasil analisis menunjukkan bahwa dimensi balas pada beberapa titik di Km 197+900 – Km 198+400 tidak sesuai dengan Peraturan Menteri No. 60 Tahun 2012 dan Peraturan Dinas No. 10 Tahun 1986. Oleh karena itu, diperlukan penambahan volume balas di sisi kiri dan kanan pada segmen tersebut. Saran dari penelitian ini adalah estimasi biaya untuk penambahan volume balas, penurunan struktur balas, serta penggunaan metode MTT dan PBR sebagai pendekatan perbaikan.
Pemodelan Nilai TQI Berbasis Ketebalan Ballast dan Parameter Geometri pada Jalur Rel 1435 mm Pratama, Mochammad Choirusydhia; Utomo, Nugroho; Alfiansyah, Achmad Dzulfiqar
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.v9i1.1105

Abstract

The Track Quality Index (TQI) is an essential indicator for evaluating the geometric quality of railway tracks. This study aims to analyze TQI values and predict their degradation based on geometric parameters and ballast thickness on the Makassar–Parepare railway line with a 1435 mm track gauge. The data used include track recording car measurements, ballast thickness, as well as traffic load and frequency. The analytical method employed is simple linear regression to determine the effect of ballast thickness on TQI. The results show that 66.66% of the track segments fall into the “Excellent” category. Furthermore, ballast thickness has a significant influence, with an R² value of 0.973, indicating that the thicker the ballast layer, the better the track quality. Long-term TQI prediction reveals an increase in TQI values over time due to ballast degradation, with the average value rising from 24.23 in the 5th year to 69.61 in the 25th year. These findings highlight the importance of periodic maintenance interventions based on TQI prediction to sustain the safety and comfort of railway operations.
Co-Authors Alfiansyah, Achmad Dzulfiqar Harnan, Cahya Rafiyoga Nugroho Utomo