Kajian Geometri Jalan terhadap Konsumsi Bahan Bakar pada Pengangkutan Andesit

Authors

  • Irgi Ahmad Alfahreza Teknik Pertambangan, Fakultas Teknik, Universitas Islam Bandung
  • Iswandaru Teknik Pertambangan, Fakultas Teknik, Universitas Islam Bandung
  • Yunus Ashari Teknik Pertambangan, Fakultas Teknik, Universitas Islam Bandung

DOI:

https://doi.org/10.29313/bcsme.v6i2.25913

Keywords:

Road Geometry, Fuel Ratio, Fuel Cost

Abstract

Abstract. The study was conducted at the Liunggunung Producers Cooperative, located in Liunggunung Village, Plered District, Purwakarta Regency, West Java Province, which holds a production operation permit for andesite mining. This research aimed to investigate the effect of haul road gradient on diesel fuel consumption by evaluating the actual haul road geometry, fuel consumption of haul trucks under both loaded and unloaded conditions, fuel consumption for each haul road segment, as well as the fuel ratio and fuel cost. The study utilized both primary and secondary data. Primary data included haul road geometry, equipment cycle time, working time, delay time, swell factor, fill factor, and actual fuel consumption, while secondary data comprised geological, topographical, rainfall, and equipment specification data. Data analysis was carried out by comparing the actual haul road conditions with the AASHTO standard to determine fuel consumption efficiency. The results indicated that the actual productivity of the loading equipment was 38.16 BCM/h, while the haul trucks achieved 35.11 BCM/h. Fuel consumption was recorded at 8.43 L/h for the loading equipment and 7.76 L/h for the haul trucks. After improving the haul road gradient and reducing the cycle time, haul truck productivity increased to 41.06 BCM/h, whereas fuel consumption decreased to 6.61 L/h. Furthermore, reducing the average haul road gradient from 15% to 12% lowered the fuel ratio from 0.22 to 0.16 L/BCM and reduced the monthly fuel cost from IDR 44,932,830 to IDR 38,216,349, demonstrating that haul road improvement significantly enhances operational efficiency and reduces fuel consumption.

Keywords: Road Geometry, Fuel, Fuel Ratio, and Fuel Cost.

 

References

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Published

2026-08-03

Issue

Vol. 6 No. 2 (2026): Bandung Conference Series: Mining Engineering

Section

Articles