Dinamika Rekayasa (E-Journal - Engineering Departement Jenderal Soedirman University UNSOED)
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Optimasi Beban AS Truk Untuk Meminimalkan Biaya Transportasi Dan Kerusakan Konstruksi Jalan (Studi Kasus Ruas Jalan Solo-Kartosura-Boyolali Provinsi Jawa Tengah)
Full text linkThis research is aimed at defining the optimum axle load of trucks, in a way to produce both minimum transportation cost and damage construction road. Apart from formulating ways to minimize government expenditures in handling road maintenance, this research has investigated a new paradigm as an alternative of road maintenance considering the principles of cost recovery. This means that overloading trucks will have to bear Road User Tax-a tax reflecting their destructive impacts on roads.The result indicate that: Medium good vehicles have an optimum load of 7,500 ton and minimum transport cost of Rp 19.275,54 per vehicle-trip, Heavy good vehicle (HGV) trucks 2 axles 13 ton have an optimum load of 12,667 ton and minimum transport cost of Rp 37.735,21 per vehicle-trip, HGV trucks 3 axles 20 ton have an optimum load of 21,00 ton and minimum transport cost of Rp 52.730,36 per vehicle-trip and HGV trucks 4 axles have an optimum load of 26,50 ton and minimum transport cost of Rp 45.014,25 per vehicle-trip. The average of Road User Tax in effort of the pure cost recovery for: Medium good vehicles have Rp 20,89 per vehicle-trip, HGV trucks 2 axles 13 ton have Rp 195,68 per vehicle-trip, HGV trucks 2 axles 13 ton have Rp 142,96 per vehicle-trip, and HGV trucks 2 axles 13 ton have Rp 489,66 per vehicletrip. A trip in this case is 25,30 km
Pembangkit Listrik Tenaga Surya Dan Penerapannya Untuk Daerah Terpencil
Full text linkSolar cell is a device which is capable of converting directly the energy of light to electricity. This device have been implemented in some rural areas of Indonesia as solar home systems of 50 Wp, and PV-diesel hybrid systems. While operation, the solar cell system didn¶ t need fossil fuel, no result pollution and noise to the environment, almost maintenance free, and very easy to operate. The solar radiation is the renewable energy source of solar cell which is abundance and unlimited. However, the solar cell is the promising one as a future energy technology of Indonesia