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Feasibility Study Comparison of Pavement Designs Using Local Materials

https://doi.org/10.21122/2227-1031-2021-20-5-449-454

Abstract

The possibility of using local materials in the construction of structural layers of pavement is considered in the paper. The paper presents a method of technical and economic analysis, for which it is necessary to know the calculated deformation moduli of the materials being compared. Knowing the turnaround time for each of the options under consideration, it is possible, by comparing them with the payback periods, to more fully identify the technical and economic features of such options. The main criterion for the admissibility of the use of local material in the corresponding structural layer is the equal strength of pavement structures or individual structural layers made of local and imported materials. The criterion of economic feasibility of using local material can be written as an inequality. Using the principle of equivalence of systems, it is possible to replace individual structural layers of pavement, made of certain materials, with equivalent layers of stiffness from other materials, increasing or decreasing their thickness, depending on the strength characteristics of the materials themselves. The main condition for the technical feasibility of using local material has been determined on the basis of the condition of equal strength structures made from local and imported materials. A schedule for preliminary determination of the technical and economic feasibility of using local materials in the structural layers of road pavements has been built. The total value of the investment costs can be used as an additional criterion for the economic benefits of the compared options.

About the Authors

Ya. N. Kovalev
Belarusian National Technical University
Belarus

Address for correspondence: Kovalev Yaroslav N. Belarusian National Technical University, 65, Nezavisimosty Ave., 220013, Minsk, Republic of Belarus. Tel.: +375 17 237-38-81
ftk75@bntu.by

 



A. V. Sаvukhа
Belarusian National Technical University
Belarus

Minsk



V. V. Girinsky
Belarusian National Technical University
Belarus

Minsk



References

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For citations:


Kovalev Ya.N., Sаvukhа A.V., Girinsky V.V. Feasibility Study Comparison of Pavement Designs Using Local Materials. Science & Technique. 2021;20(5):449-454. (In Russ.) https://doi.org/10.21122/2227-1031-2021-20-5-449-454

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ISSN 2227-1031 (Print)
ISSN 2414-0392 (Online)