Abstract
Most of the highways of the Republic of Tajikistan pass in mountainous and high-mountainous regions at an altitude of 1500-3500 m above sea level. They are characterized by steep passes (slope up to 10-12%), a large number of turns (15-18 pieces per 1 km of track), small turning radii (8-15 m) and poor condition of the roadway (holes, bumps, clogging with stones). Difficult driving conditions lead to increased fuel consumption. On the basis of experimental studies, a mathematical model has been developed that takes into account the influence of various factors on the track fuel consumption of a truck. The experiments were carried out on heavy mining dump trucks: KamAZ-52212, BelAZ-7540V, Howo-ZZ3257N3847N1 and Shacman-SX3256DR384 during the construction of the Rogun HPP in the Republic of Tajikistan.
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