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All Journal CIVED (Journal of Civil Engineering and Vocational Education) Jurnal Rekayasa U Karst PENDIPA Journal of Science Education Portal: Jurnal Teknik Sipil
Nurmagita Pamursari
Institut Teknologi Sumatera
Chemistry Civil Engineering, Building, Construction & Architecture Education Mathematics Other

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Analisa Kelayakan Finansial Kereta Bandara Udara Internasional Radin Inten II Lampung Selatan dengan Pembangunan Double Track Nurmagita Pamursari; Ananda Agneshia Putri
CIVED Vol 7, No 3 (2020): September 2020
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v7i3.110343

Abstract

Semakin meningkatnya pertumbuhan penduduk di Lampung berdampak pula dengan peningkatan  kuantitas penumpang yang menggunakan Bandara Internasional Raden Intan II Lampung Selatan. Oleh karena itu sangat dibutuhkan fasilitas penunjang yang bukan hanya mempermudah perjalanan namun yang paling penting adalah ketepatan waktu.upaya pengembangan yang sedang dilakukan adalah membangun transportasi kerata bandara di Kota Bandar Lampung menuju Bandara Internasional Raden Inten II yang telah bertaraf Internasional. Pada penelitian sebelumnya sudah dianalisa terkait rencana pembangunan sistem operasi kereta ini untuk mengetahui layak atau tidak sebenarnya pembangunan sistem operasi kereta bandara ini terhadap aspek teknis, operasional ekonomi dan juga finansial dengan menggunakan jalur eksisting. Dan hasil analisis menunjukan skenario penggunaan jalur eksisting dapat mengganggu perjalanan kereta api yang sudah ada. Oleh karena itu pada penelitian ini penulis menganalisa kelayakan investasi dengan skenario penambahan jalur kereta.Adapun berdasarkan hasil yang diperoleh terhadap parameter-parameter kelayakan yang dipakai menunjukkan hanya pada analisis kelayakan finansial  nilai tertinggi NPV: Rp. 362,085,551,542 > 0, BCR: 0,269, < 0, serta IRR: 6.51% payback periode 19 tahun, Dapat disimpulkan hanya pada skenario optimis menunjukkan bahwa semua parameter investasi layak untuk digunakan.
Analisis Investasi Pembangunan Jalur Ganda Kereta Api Tanjung Karang Kertapati (Segmen Tanjung Karang – Prabumulih) Nurmagita Pamursari; Rahayu Sulistyorini
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 23, No 3 (2019): Edisi Desember 2019
Publisher : UNIVERSITAS LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Train is one of the most preferred modes of transportation for the people of Lampung. One of the efforts made by PT KAI in improving service quality was to build a double railroad track for Tanjung Karang - Kertapati train. The purpose of this study is to find out the analysis of the invest - ment feasibility of the double track construction carried out by PT KAI. The data used is the price data for the construction of the railway line per kilometer and the income data of PT. KAI from passenger trains and babaranjang. The parameters used to review investment are using the Net Present Value (NPV) method, Benefit to Cost Ratio (BCR), Internal Rate of Return (IRR) and, Payback Period (PP). There are 8 (eight) scenarios in calculating the investment feasibility analysis in this study. Each scenario has a variation on the inflation rate and the occupancy rate (KTD) and the achievement of the volume of coal transport. The results of the investment feasibility analysis carried out, all scenarios are very profitable, but the most favorable scenario is scenario 8, with the source of investment funds coming from own funds, 100% KTD, 5% inflation rate, 25 million tons / year coal volume, and rate of return by 15%.
PERENCANAAN GEOMETRI JALAN REL ANTARA TARAHAN BAKAUHENI Sari, Nurwanda; Bustam, Hadyan Arifin; Setyaji, Arif; Pamursari, Nurmagita; Zhafari, Rizaldi
PendIPA Journal of Science Education Vol 8 No 2 (2024): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.8.2.349-357

Abstract

As technology continues to advance and Indonesia's population experiences rapid growth, transportation is also progressing. The train is a mode of transportation designed to carry passengers and goods, whether in small or large quantities, over long distances. Trains are one efficient modes of land transportation. This research located along Tarahan Bakauheni route, with the shortest straight distance spanning 50 km. The data used for the design of this railway track includes Passenger Data from Bakauheni Port, Coal Cargo Data, Topography Data, and other supporting data. The planning phase is carried out using regulations such as Ministerial Regulation No. 60 of 2012, PD 10, and other relevant rules. In the railway design, used is Class I with a track gauge of 1067 mm. The Horizontal Alignment planning for the route involves 42 curves with the SCS type, where each curve has a radius of 850m, a track elevation of 79.023 mm, and a transition curve length of 94.828 m. Class I railway has a maximum ruling gradient of 10‰ and includes 18 vertical curves with a radius of 8000m. The structure of the railway uses R60 type rails with concrete sleepers and employs double elastic fasteners of the Pandrol Fastclip type.
Peningkatan Efisiensi Operasional Commuter Line Jogja-Solo Melalui Perbaikan Jadwal Putri, Ananda Agneshia; Oktavianto, Alfin; Pamursari, Nurmagita; Sari, Nurwanda
PendIPA Journal of Science Education Vol 8 No 2 (2024): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.8.2.368-376

Abstract

The Commuter Line is a train service that serves short routes within or between cities, mainly for daily commuters in urban areas. Launched on February 10, 2021 to replace KRD Prameks, KRL Jogja-Solo aims to improve the efficiency of intercity travel. Passenger numbers for KRL Jogja-Solo continue to increase, based on PT KAI Commuter Line's latest data, with passenger numbers per month in 2023 showing a significant increase. For example, in August there were 512,547 passengers, while in December it increased to 709,634 passengers. This increase creates pressure on the existing carrying capacity. This research aims to assess the challenges faced by KRL Jogja-Solo in accommodating the increasing number of passengers and find solutions to meet the growing demand. This research focuses on improving the operational efficiency of KRL Jogja-Solo through schedule improvements, assessing passenger volume, cross capacity, and passenger projections for the period 2024-2033. The Scott method is used for cross capacity analysis and the geometric growth formula for passenger projections, with optimal solutions based on optimistic, moderate, and pessimistic scenarios. Results show that the addition of four afternoon trips and skip-stop scheme is the best solution in the optimistic scenario, skip-stop scheme without additional trips in the moderate scenario, and improvement of the existing schedule in the pessimistic scenario. This research emphasizes the importance of long-term planning and regular evaluation to ensure the smoothness and convenience of the Jogja-Solo KRL service.
Performance Evaluation of Freight Train Wooden Sleepers on the BH 77 Tegineneng Bridge Pamursari, Nurmagita; Arifin Bustam, Hadyan; Nadya Karunia, Meutia; Agneshia Putri, Ananda
UKaRsT Vol. 8 No. 2 (2024): NOVEMBER
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/ukarst.v8i2.6212

Abstract

Rail transport is very important in supporting human mobility and distribution of goods for heavy loads such as coal. The BH 77 Tegineneng Bridge in Sumatra is a critical infrastructure that supports coal transportation. In its structural components, wooden sleepers are used on this bridge. The wooden sleepers used must withstand dynamic, shock, lateral, and longitudinal loads. This is to ensure the stability and operational safety of the bridge. This study aims to evaluate the performance of wooden sleepers on the BH 77 Tegineneng Bridge. A case study approach was used with field data on axle loads, including static and dynamic loads, collected and analyzed to determine the load distribution and structural response. The results show that the dynamic load with a Dynamic Amplification Factor of 1.86, coupled with a shock load reaching 56,784 kN, exerts significant stress on the sleepers. The wooden sleepers effectively absorb dynamic forces, distribute the load evenly, and demonstrate resilience under repeated loading cycles, with a maximum bearing load of 189.28 kN. These findings emphasize the suitability of wood as a sleeper material due to its elasticity and damping properties, which offers a durable and efficient railway infrastructure. This study contributes to demonstrating the characteristics of wooden sleepers as a basis for material selection in freight railway systems.
Proses Penanganan Rel Aus Pada Lengkung NO.16A KM 4+8/0 Jalur Hilir Lintas Manggarai – Tanah Abang Pamursari, Nurmagita; Fadhilah, Muhamad Farras; Sari, Nurwanda
PendIPA Journal of Science Education Vol 9 No 2 (2025): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.2.364-371

Abstract

Railways is a unified system consisting of infrastructure, facilities, and human resources, as well as norms, criteria, requirements and procedures for the implementation of railway transportation. Railroad infrastructure is a railway line, train stations and train operating facilities. Railway maintenance activities are preventive measures (preventive) and / or replacement in accordance with the technical age. In this study there are several types of maintenance in handling rail replacement on the Manggarai - Tanah Abang crossing. From this study the total wear that occurred from KM 4+800 to 5+00 reached 232.2 meters of track. Wear occurs in curve number 16A. Then there are several treatments carried out such as checking rail material data, replacing rail roads, maintaining forces and electricity, normalizing arrows, and thermite welding. In this rail replacement, maintenance is carried out by inspecting the railroad, maintaining the lighting force whose height must be adjusted to the radius of the curve, and returning the arrows which require prior calculation in carrying out maintenance. Calculation of arrows and elevation must be in accordance with applicable regulations or standards.
Evaluasi Peningkatan Pelayanan Kereta Api di Stasiun Tanjung Karang Menggunakan Metode Evaluasi dan Analisis SWOT Febriyadi, Febriyadi; Sari, Nurwanda; Putri, Ananda Agneshia; Alfarizi, Dava; Maulidina, Siti; Pamursari, Nurmagita
Portal: Jurnal Teknik Sipil Vol 17, No 1 (2025): April Edition
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/portal.v17i1.6701

Abstract

Transportasi merupakan sarana strategis dalam mendukung pertumbuhan ekonomi dan mobilitas masyarakat. Kereta api sebagai moda transportasi massal memiliki keunggulan dalam efisiensi ruang, konsumsi energi, dan dampak lingkungan yang rendah. Penelitian ini bertujuan untuk mengevaluasi pelayanan dan fasilitas di Stasiun Tanjung Karang serta merumuskan strategi peningkatan berdasarkan pendekatan evaluatif dan analisis SWOT. Metode yang digunakan adalah kualitatif deskriptif dengan teknik observasi lapangan, studi dokumen, dan wawancara informal. Evaluasi dilakukan dengan membandingkan kondisi aktual terhadap Standar Pelayanan Minimum (SPM) yang ditetapkan dalam Peraturan Menteri Perhubungan Republik Indonesia Nomor 63 Tahun 2019. Analisis SWOT digunakan untuk mengidentifikasi kekuatan, kelemahan, peluang, dan ancaman yang mempengaruhi kualitas pelayanan. Hasil penelitian menunjukkan bahwa sebagian besar indikator SPM telah terpenuhi, khususnya dalam aspek keselamatan, keamanan, dan kesetaraan. Namun, aspek kehandalan, kenyamanan, dan kemudahan masih memerlukan peningkatan. Rekomendasi strategis mencakup perluasan ruang tunggu, penyediaan area cetak boarding pass yang terpisah, implementasi teknologi face recognition pada boarding gate, penambahan papan informasi, dan penyediaan tempat pengaduan pelanggan. Dengan strategi yang berbasis data lapangan dan teknologi digital, pelayanan di Stasiun Tanjung Karang dapat ditingkatkan menjadi lebih modern dan responsif terhadap kebutuhan pengguna.
Analysis of the Effect of Rail Connection Failure Using the AHP, FMECA, WRPN Methods (Case Study of the Tanjung Karang Station – Rejosari Station Crossing) Febriyadi; Bustam, Hadyan Arifin; Setyaji, Arif; Melyta, Elyabet; Pamursari, Nurmagita; Putri, Ananda Agneshia
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.701-710

Abstract

Rail joints are critical points in railway track infrastructure that affect passenger train ride comfort and safety. This study analyzes their impact along the Tanjung Karang – Rejosari line through Track Quality Index (TQI) and International Roughness Index (IRI Roadbump) measurements, passenger perception surveys using the Analytic Hierarchy Process (AHP), and failure risk evaluation using Failure Mode, Effects, and Criticality Analysis (FMECA) with Weighted Risk Priority Number (WRPN). Results indicate that joints with high TQI and IRI values produce significant impacts, reducing comfort. AHP identified impacts as the dominant factor, while FMECA found the highest RPN in thermite welded joints with the failure mode of “joint corrosion.” The study recommends replacing thermite welding with flash butt welding and converting mechanical joints to permanent welded joints to improve track geometry, reduce failure risk, and enhance comfort and safety.
Co-Authors Agneshia Putri, Ananda Alfarizi, Dava Ananda Agneshia Putri Arifin Bustam, Hadyan Bustam, Hadyan Arifin Fadhilah, Muhamad Farras Febriyadi Melyta, Elyabet Nadya Karunia, Meutia Oktavianto, Alfin Putri, Ananda Agneshia Rahayu Sulistyorini Sari, Nurwanda Setyaji, Arif Siti, Maulidina Zhafari, Rizaldi