<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In addition to bituminous binders (bituminous emulsion, foamed bitumen), hydraulic binders are applied in cold recycling technologies to increase the strength of a final structural layer as well as to increase its resistance to water and frost impacts. This paper deals with the use of energy by-products from fluidized bed coal combustion and mineral waste and their modification into reactive material with the potential of replacing commonly used hydraulic binders. The increase in the reactive potential takes place through a high-speed milling process where the mechanical-chemical activation of the material takes place. This process is associated with the refinement of the material, a higher proportion of micro and nanoparticles, an increased surface area, opening of particles, etc. The material treated exhibits binding properties, and it can be used as an active filler that allows for the partial or complete substitution of hydraulic binders. The experimental part is focused on the application of alternative binders to cold recycling mixtures and their assessment according to valid technical regulations, i.e., an assessment of their indirect tensile strength and water susceptibility as well as compressive strength and resistance to the effects of water and frost.</p></abstract>

In addition to bituminous binders (bituminous emulsion, foamed bitumen), hydraulic binders are applied in cold recycling technologies to increase the strength of a final structural layer as well as to increase its resistance to water and frost impacts. This paper deals with the use of energy by-products from fluidized bed coal combustion and mineral waste and their modification into reactive material with the potential of replacing commonly used hydraulic binders. The increase in the reactive potential takes place through a high-speed milling process where the mechanical-chemical activation of the material takes place. This process is associated with the refinement of the material, a higher proportion of micro and nanoparticles, an increased surface area, opening of particles, etc. The material treated exhibits binding properties, and it can be used as an active filler that allows for the partial or complete substitution of hydraulic binders. The experimental part is focused on the application of alternative binders to cold recycling mixtures and their assessment according to valid technical regulations, i.e., an assessment of their indirect tensile strength and water susceptibility as well as compressive strength and resistance to the effects of water and frost.

Alternative Micro-Milled Binders in Cold Recycling Technologies

Department of Road Structures, Faculty of Civil Engineering

Slovak Journal of Civil Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Alternative Micro-Milled Binders in Cold Recycling Technologies"}

In addition to bituminous binders (bituminous emulsion, foamed bitumen), hydraulic binders are applied in cold recycling technologies to increase the strength...

Alternative Micro-Milled Binders in Cold Recycling Technologies

Published Online: Jul 02, 2019

Page range: 16 - 20

DOI: https://doi.org/10.2478/sjce-2019-0011

Keywords
Cold recycling technologies, Hydraulic binders, Micro-milling, Indirect tensile strength, Resistance to water

© 2019 Jakub Šedina et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Alternative Micro-Milled Binders in Cold Recycling Technologies

Published Online: Jul 02, 2019

Page range: 16 - 20

DOI: https://doi.org/10.2478/sjce-2019-0011

KeywordsCold recycling technologies, Hydraulic binders, Micro-milling, Indirect tensile strength, Resistance to water

© 2019 Jakub Šedina et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Cold recycling technologies, Hydraulic binders, Micro-milling, Indirect tensile strength, Resistance to water