SAPUTRO, ANGGITO BAGAS (2024) ANALISIS PENGARUH KEMIRINGAN JALAN ANGKUT TERHADAP KONSUMSI BAHAN BAKAR DUMPTRUCK PADA PENGANGKUTAN OVERBURDEN DI PT. KALTIM PRIMA COAL, KALIMANTAN TIMUR. Other thesis, UPN Veteran Yogyajarta.
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Abstract
iv
ABSTRACK
PT. Kaltim Prima Coal is one of the coal mining companies with a mining
area of 61,543 Ha, located in Sangatta City, and Bengalon, East Kutai Regency,
East Kalimantan Province. The mining system used is surface mining with strip
mine method. Overburden hauling activities are carried out using Komatsu HD
785-7 dump truck. The haul road distance from loading point to disposal is 2.70
km.
The problem that arises is that there is excessive fuel consumption in the
transportation of overburden for the Komatsu HD 785-7 dump truck which
exceeds the usage reference of 78 litre/hour. The actual fuel consumption of the
Komatsu HD 785-7 dump truck on the Inul East haul road reaches 80 litre/hour.
This affects the level of fuel consumption. The things that affect the level of fuel
consumption are the slope of the haul road, the workload of the equipment, the
slope, and, the sagging of the haul road transporting the overburden to the
disposal. Based on observations of actual haul road conditions, there are haul
road slopes that exceed the company's reference of 8% and haul road conditions
that still have more than 5 cm of sagging (medium severity).
An analysis is conducted to determine the influence of haul road
conditions on the fuel consumption of the transport equipment. After the
calculations, it is found that for every additional 1 cm of subsidence for rolling
resistance, fuel consumption will increase by 1,92 liters/hour, while for every
additional 1% haul road grade, fuel consumption will increase by 3,26
liters/hour. The theoretical calculation of fuel consumption uses the pull
calculation. It is known that the fuel consumption on the haul roads based on
rimpull calculation is 78,78 liters/hour.
After the improvement of the haul road geometry, including widening the
haul road and haul road subsidence ≤ 5 cm, as well as haul road slope ≤ 8%, fuel
consumption, and fuel ratio will decrease. Based on the calculations of these
recommendations, the fuel consumption using the rimpull calculation on the haul
roads is 77,14 liters/hour.
| Item Type: | Thesis (Other) |
|---|---|
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Eko Yuli |
| Date Deposited: | 02 Apr 2024 03:09 |
| Last Modified: | 02 Apr 2024 03:09 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/39222 |
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