Abstract
During the construction and operation of quarry haul roads by large dump trucks the employees of mining companies face a number of problems caused by inhomogeneity and low deformation characteristics of foundation soils. This results in high rutting of the road topping, inability to operate during the spring and autumn period, increased consumption of fuel and expensive elements of the running gear of the dump trucks because of the poor state of quarry roads. To solve these problems, experimental laying of the Tensar TriAx stabilizing hexagonal geogrid was performed during the construction of a quarry road. This article describes the course of the experiment, including the production technology of the work, modeling of operation by quarry dump trucks during the unfavorable period, assessment of the increase of deformation characteristics of the construction and the reduce of rutting of the road topping after applying the hexagonal geogrid. In the course of the experiment it was concluded that the positive effect of the hexagonal geogrid use in the construction and operation of quarry haul roads is significant.
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