Istrazivanja i projektovanja za privreduJournal of Applied Engineering Science

INFLUENCE OF THICKNESS AND GRANULOMETRIC COMPOSITION OF GRANULAR ASPHALT ON ITS STRENGTH CHARACTERISTICS WHEN PLACing INTO THE ROAD PAVEMENT


DOI: 10.5937/jaes18-26311
This is an open access article distributed under the CC BY-NC-ND 4.0 terms and conditions. 
Creative Commons License

Volume 18 article 676 pages: 192 - 197

Ekaterina Gennadievna Pakhomova*
Southwest State University, Kursk, Russian Federation

Konstantin Andrianov
Тambov State Technical University, Тambov, Russian Federation

Anatoly Zubkov
Тambov State Technical University, Тambov, Russian Federation

Pavel Monastyrev
Тambov State Technical University, Тambov, Russian Federation

When performing roadway replacement and reconstruction works, the removal of the road surface by self-propelled road milling machine is provided. The material obtained during milling (granular asphalt) is used in the base layers and lower layers of the coating, provided that the strength requirements are met. The effectiveness of the applied technology in the construction of structural layers of road pavement depends on considering the properties of the used material and the parameters of the mechanic means during works. We have reviewed the influence of the granulometric composition and the granular asphalt layer thickness on its strength properties in the construction of road structures. On the basis of experimental studies, analytical dependences are obtained for calculating the deformation and compacting factor under the action of the compaction loading of used granular asphalt. We have obtained the results to calculate the deformation-stress relationship and the dependence of the compacting factor on deformation, taking into account the granulometric composition and layer thickness. That allows to justify the parameters of compacting machines to ensure the required quality of compacting of the granular asphalt layer.

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