Analysis of efficiency and safety of motor truck transportation in open pit mines located on mountain slopes resulting in recommendation to build roads of varying gradient; gradients at higher levels may exceed those at lower levels by 20-35%; higher gradients are permissible when operations are of short duration; trucks with motors having specific power of 8-9 hp/ton should be used in early stages of open pit operations; during later stages of mining this power ratio should be increased to 6-6.5 hp/ton.
Method of selecting rational gradient of automobile roads in open pit mines using motor truck transportation
K metodike vybora ratsional'nogo uklona avtodorog pri ispol'zovanii na gornykh kar'erakh avtomobil'nogo transporta
1964
7 pages
Article (Journal)
Russian
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