This article includes mathematical models that optimize transportation costs flakiness rubble and dropouts

Keywords: flakiness broken stone, gravel, mathematical models, transport, optimization of transport costs

The article presents the results of analyzing patents, aimed at improving the design of jaw crushers and crushing processes using them,conducted in order to establish the technical level of their development.

Keywords: rock, objective tree, crushing, patent, jaw crusher

The article discusses the optimization of transport costs and storage costs of wood biomass using mathematical modeling methods. The considered mathematical models allow to optimize transport costs by building the most efficient routes closed.

Keywords: transport timber, storage timber biomass, mathematical models, optimization

The article deals with the optimization of the process of disintegration of rock jaw crusher. The mathematical model that minimizes the costs of the process of crushing the rock.

Keywords: disintegration of rock, mathematical models, optimization

This paper presents mathematic model of optimization of expenses of stock-piling of timber and logging timber from felling areas to timber consumers by transport networks. This model optimize technological processes which appears during the process of stock-piling of timber and logging timber. 

Keywords: log truck, rail transportation in timber processing complex.

his paper presents mathematic model of logging timber freights by combine transport network. This model optimize of cargo-carrying and technological roading of forest bases in timber procurement enterprise and lumber factories. Authors developed procedures and functions, which allowed solving optimization of cargo-carrying and technological roading of forest bases in timber procurement enterprise and lumber factories. Authors also analyze technological process on cut-over land, loading bay and railheads. This reporting allows to reduce transport costs and makes optimal schedule of logging timber freights.

Keywords: log truck, rail transportation in timber processing complex

the analysis of foreign researches, which consist of processes of functioning timber lorries is given. Decrease transport expenses with minimization of empty run of timber lorries and formations of rational structure of this park has been proved.

Keywords: timber lorries, functioning

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It article contains information about mathematical models which taking into account more factors affecting on the performance of logging trucks. Presenting the methodical approach that allows engineers to make management decisions that control of forest real-time and determination: the optimal composition of logging trucks, their technical and economic indices, charts of wood hauling, the volume of construction, reconstruction and maintenance of logging roads, the costs for these purposes and etc.

Keywords: Automobile forest transport, logging truck, haul road, scheduling, performance of the logging truck.