Implicit Values of Multiple Car Grain Loading Facilities in Iowa and Nebraska

Hauser, Robert J.; Beaulieu, Jeffrey; Baumel, C. Phillip

doi:10.2307/1349253

Cited by 3 publications

(1 citation statement)

References 4 publications

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“…The efficiency of grain transportation by routes is connected to decreasing of the expenses on stations, rational use of load limit of cars, transport and carrying capacity of the railways. At the same time this technology demands development of access roads and loading capacities of elevators (Hauser, R. J. et al, 1984). As showed researches, due to more effective use of a rolling stock at consignor routing cost of transportations of grain decreases to 50% (Kenkel, Р. et al, 2004).…”

Section: Routing Of Transportationsmentioning

confidence: 99%

Resource-saving technologies of railway transportation of grain freights for export

Козаченко

Вернигора

Kuznetsov

et al. 2018

AoT

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The research objective is to increase the efficiency of export railway transportation of grain freights in Ukraine by the introduction of consignor routing, a concentration of loading of grain on junction elevators and the organization of the movement of grain routes according to the schedule. According to the researchers in USA and EU, one of the effective directions for decreasing the expenses in a logistic chain of grain delivery to ports is consignor routing of railway transportation. Consignor routing of transportations of grain freights provides a concentration of their loading at junctions. The choice of junctions is proposed to be carried out on the basis of methods of the cluster analysis. For formation of regions for a concentration of grain loading the theory of sets and multicriteria optimization are used. As a result, on the basis of the modified simplex method are chosen 24 regions of possible concentration of grain loading that cover 70 stations on Ukrainian railways providing 7,5 million t consignor routing for grain in a year with minimal additional expenses. The assessment of the efficiency of railway transportation routing of grain freights is calculated with use of the developed simulation model. Researches showed that application of consignor routing allows to reduce a turn-round cycle for grain wagon in a logistic chain of deliveries up to 27%, and application of the schedule for consignor routes allows to reduce a turn-round cycle up to 62%, in comparison with transportation by car loading. Thus, as showed the calculations executed for one of the directions of grain transportation for export, the necessary operation park of grain-carrier wagons is reduced twice, thereby allowing to cut logistic expenses on a delivery of the Ukrainian grain through seaports to the world markets.

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Section: Routing Of Transportationsmentioning

confidence: 99%

Resource-saving technologies of railway transportation of grain freights for export

Козаченко

Вернигора

Kuznetsov

et al. 2018

AoT

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The Role of Spatial Density and Technological Investment on Optimal Pricing Strategies in the Grain Handling Industry

Bekkerman

Taylor

2019

Rev Ind Organ

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Creation of Export-Oriented Network of Grain Elevators in Ukraine

Козаченко

Вернигора

Рустамов³

2017

STP

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Наука та прогрес транспорту. Вісник Дніпропетровського національного університету залізничного транспорту, 2017, № 2 (68) ЕКСПЛУАТАЦІЯ CREATION OF EXPORT-ORIENTED NETWORK OF GRAIN ELEVATORS IN UKRAINEPurpose. The scientific paper highlights improving the efficiency of export rail transportation of grain cargoes in Ukraine by introducing shipper routing and concentration of loading at the terminal grain elevators. Methodology. According to the experience of the USA and Canada, one of the most effective ways to reduce costs in the grain to-port supply chain is a shipper routing of the rail traffic. Shipper routing for transportation of grain cargoes involves the concentration of their loading on the multiple junctions. The junctions are proposed to be selected with the use of cluster analysis methods. For the formation of the grain loading concentration areas the authors used methods of set theory and multi-criteria optimization. Findings. Based on agglomerative cluster analysis algorithm, the junctions on a network of Ukrainian railways are selected and the areas of possible concentration of grain loading are formed. DSU-algorithm allowed distinguishing the overlapping and non-overlapping areas of concentration. The problem of selecting non-overlapping areas of the grain loading concentration is formalized as the problem of multiobjective integer programming with boolean variables. The solution of this problem by a modified simplex algorithm allows selecting on the railway network of Ukraine 24 districts of possible grain loading concentration, which cover 70 stations and at minimal additional cost provide routing of about 7.5 million tons of grain per year. Originality. The originality of the work lies in the fact that the authors developed the mathematical procedure for selection of junctions and concentration areas of grain loading at the Ukrainian railway network, taking into account the economic efficiency of the process. Practical value. Application of the developed method of grain loading concentration for the formation of unit trains will significantly reduce the logistics costs in the supply chain of grain to Ukrainian ports for export and, consequently, increase its competitiveness in foreign markets.

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Implicit Values of Multiple Car Grain Loading Facilities in Iowa and Nebraska

Cited by 3 publications

References 4 publications

Resource-saving technologies of railway transportation of grain freights for export

Resource-saving technologies of railway transportation of grain freights for export

The Role of Spatial Density and Technological Investment on Optimal Pricing Strategies in the Grain Handling Industry

Creation of Export-Oriented Network of Grain Elevators in Ukraine

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