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All Journal Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Bangunan
Juang Akbardin
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering

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Perencanaan Pengiriman Mandiri pada Industri Hilir Teh Walini berdasarkan Bangkitan Pergerakan, Sebaran Pergerakan dan Biaya Operasional Kendaraan Khofifah Nurazizah; Juang Akbardin; Dwi Novi Wulansari
JURAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 3 (2025): Desember : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i3.6466

Abstract

This study is motivated by the downstream Teh Walini industry’s reliance on third-party logistics (3PL) services for product distribution, which restricts the company’s control over several key aspects, including logistics costs, delivery speed, routing efficiency, and product handling quality. The primary objective of this research is to analyze and compare distribution costs between outsourced logistics and self-managed delivery, and to evaluate the potential cost efficiency of an independently operated shipping system. A descriptive comparative quantitative method is employed, incorporating movement generation analysis, distribution spread mapping, and Vehicle Operating Cost (VOC) calculations to estimate the cost implications of self-shipping. Data were obtained through company documentation and analyzed using multiple linear regression involving six major distribution points. The results reveal that shipment volume significantly influences movement generation, with Waingapu, Makassar, and Padang identified as the dominant distribution destinations. The cost comparison analysis demonstrates that self-managed delivery is more cost-effective than third-party logistics services, making it a more viable long-term option. These findings suggest that transitioning to a self-delivery system could improve cost control and logistical efficiency for the company. However, this strategy should be implemented gradually, supported by regular updates on operational cost data and proactive management of external factors that could impact distribution performance. The study concludes by recommending broader coverage and the inclusion of additional relevant variables in future research to further validate and enhance decision-making related to distribution strategies. A well-informed shift toward internal logistics could ultimately contribute to greater competitiveness and sustainability in the company’s distribution operations
Analisis Kebutuhan Kapal Tongkang dan Tugboat pada Distribusi Crude Palm Oil (CPO) Shabrina Rifa; Juang Akbardin; Dwi Novi Wulansari
JURAL RISET RUMPUN ILMU TEKNIK Vol. 5 No. 1 (2026): April: Jurnal Riset Rumpun Ilmu Teknik
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v5i1.8165

Abstract

This study aims to analyze the need for barges and tugboats in distributing Crude Palm Oil (CPO) in the West Papua region. The analysis is conducted based on three main aspects: the balance of supply and demand, ship operational costs, and shipping time, to determine the most efficient mode of sea transportation. The research method used is a quantitative approach by processing CPO distribution data owned by PT Kurhanz Trans in 2024. The results show that the combination of a 240-foot barge with a 5,000 HP tugboat is the most optimal alternative. This combination is able to balance cargo capacity, operational cost efficiency, and shipping time. The total operating cost of a 240-foot barge is recorded as lower than a 230-foot barge, with the same shipping time of 70 hours for a distance of 140 nautical miles. Thus, the 240-foot barge can be recommended as the best alternative to support the smooth distribution of CPO in the West Papua region efficiently and economically.    
PENGEMBANGAN DESAIN GEOMETRIK DAN STRUKTUR JEMBATAN INTERCHANGE BANYUREJO Zafira Jovita Bayuyudo; Juang Akbardin; Yudi Sekaryadi
Bangunan Vol. 30 No. 2 (2025)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um071v30i22025p181-196

Abstract

The Jogja-Bawen Toll Road is planned to commence operations in 2026 with an Average Daily Traffic (ADR) of 8,464 vehicles. Based on traffic growth projections, by 2027, the ADR of this road is estimated to exceed 10,000 smp/day, thus entering the very high ROW category. With this increase, developments in infrastructure design are required, especially in interchange planning. The interchange is planned to use a directional type with a bridge structure using prestressed concrete in the form of a box girder. The purpose of this study is to design the geometric and superstructure of the interchange adapted to the directional interchange type. The data used are secondary data in the form of average daily traffic data and the existing interchange layout. The research method uses a quantitative method, where geometric and structural design parameters will be calculated and then modeled using Autodesk Civil 3D software. The geometric planning results produced FC curve on the first main road (towards Banyurejo) with a curvature radius of 1500 m and a pseudo transition curve of 180 m and SCS curve on the second main road (towards Yogyakarta-Bawen) with a curvature radius of 250 m and a transition curve of 77 m. Meanwhile, for ramp planning, 4 ramps were produced with a minimum radius of 125 m. The ramp was designed as a curve with the FC type on ramp 1 and ramp 2 with a largest radius of 800 m and a preservation curve of 130 m and a compound curvature radius design on ramp 3 and ramp 4 with R min = 125 m using a radius of 1: 2 and 1: 1.5. In the planned geometry, the interchange bridge was designed at STA 0 + 700.00 – 0 + 840.00 using a box girder with a width of 10.5 meters and a height of 3 meters using a strand type 6-31.
Co-Authors Dwi Novi Wulansari Khofifah Nurazizah Shabrina Rifa Yudi Sekaryadi Zafira Jovita Bayuyudo