2023, Vol. 10, No. 1. - go to content...

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DOI: 10.15862/01SATS123 (https://doi.org/10.15862/01SATS123)

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Parfenov A.A., Vakulchik Yu.I., Yarmolinskiy V.A. The use of gravel crushing siftings sands for the production of cast emulsion-mineral mixtures «Slarri Sil». Russian Journal of Transport Engineering. 2023; 10(3). Available at: https://t-s.today/PDF/01SATS123.pdf (in Russian). DOI: 10.15862/01SATS123

The use of gravel crushing siftings sands for the production of cast emulsion-mineral mixtures «Slarri Sil»

Aleksey A. Parfenov, Yury I. Vakulchik, Vladimir A. Yarmolinskiy

Pacific National University, Khabarovsk, Russia
Moscow Automobile and Road Construction State Technical University, Moscow, Russia

Corresponding author: Aleksey A. Parfenov, e-mail: 000693@pnu.edu.ru

Abstract. In the article, the authors present the main use results of mineral materials from local open cast mines for the cast emulsion-mineral mixtures making «Slarri Sil» for the protective wearing course installation for asphalt concrete pavements. The production of cast emulsion-mineral mixtures «Slarri Sil» using sand sifting from crushing local gravel materials was carried out on regional category III highways (according to traffic intensity) of the Amur Federal Highway passing through the Amur Region.

In accordance with the requirements for mineral materials for the production of cast emulsion-mineral mixtures «Slarri Sil», it was ruled to use the sandy fraction of the stone crushing sifting products of igneous rocks in accordance with National State Standard 8736 with the following properties quality indicators: strength grade greater than or equal to 1200, abrasion grade greater than or equal to I-1, frost resistance grade greater than or equal to F50. Due to the limited number of deposits with siftings for crushing dense rocks and the length of regional highways in the Amur Region, deposits use for the production of cast emulsion-mineral mixtures throughout the entire route make the construction of wear layers unprofitable.

The research objective is the local sand and gravel mix of the Zeya and Bureya rivers for the production of Slurry Seal type cast emulsion-mineral mixtures. The authors present the results of determining the physical and mechanical parameters and grain compositions of sands from siftings of crushing sand and gravel mix and rock for protective wear layers of asphalt concrete pavements. The results of determining the adhesion of the binder with the mineral part of cast emulsion-mineral mixtures «Slarri Sil» on various sands of crushing siftings are presented. The results of testing sands from siftings of crushing gravel and siftings of igneous rocks for wet abrasion are shown.

The results of experimental studies made it possible to substantiate the use of sand from gravel crushing siftings for the construction of a protective wear layer for asphalt concrete pavement made of cast emulsion-mineral mixtures type «Slarri Sil» on the roads of the Amur Region, including federal ones.

The obtained results were used to prepare the standard of the organization company standard — closed stock corporation «Asfalt» — 001-2012 «Production of works on the installation of protective wear layers for asphalt concrete pavements from cast emulsion-mineral mixtures of the Slurry Seal type».

Keywords: crushing siftings sands; cast emulsion-mineral mixtures; Slarri Sil; wear layers of asphalt concrete pavements; protective coatings; surface treatment; mineral materials

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