<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Using of waste materials and secondary products from other industries in building industry to manufacturing building materials is one way to the sustainability. However, application of various waste requires serious monitoring and investigation of the safety of the new composites. Heavy metals presence and their releasing from the building materials can pose a potential risk to the environment and human health. The paper presents the results of a study of concrete composites with blast furnace granulated slag and special hybrid cement based on secondary mineral admixtures in relation to their heavy metals leachability. Selected metals (Cr, Pb, Ba, Ni, As) have been analysed using long-term tank and cyclic testing. The concretes with slag addition and hybrid cement proved more intensive releasing of analysed metals compared to the reference concrete. The aggressiveness of extracting media was strongly affected not only by pH but by the quantity of the ions presented in the liquids before the experiment as well. Although the leached quantities were not extremely high, results confirmed the need to monitor the building products with the incorporated waste.</p>
</abstract>

Using of waste materials and secondary products from other industries in building industry to manufacturing building materials is one way to the sustainability. However, application of various waste requires serious monitoring and investigation of the safety of the new composites. Heavy metals presence and their releasing from the building materials can pose a potential risk to the environment and human health. The paper presents the results of a study of concrete composites with blast furnace granulated slag and special hybrid cement based on secondary mineral admixtures in relation to their heavy metals leachability. Selected metals (Cr, Pb, Ba, Ni, As) have been analysed using long-term tank and cyclic testing. The concretes with slag addition and hybrid cement proved more intensive releasing of analysed metals compared to the reference concrete. The aggressiveness of extracting media was strongly affected not only by pH but by the quantity of the ions presented in the liquids before the experiment as well. Although the leached quantities were not extremely high, results confirmed the need to monitor the building products with the incorporated waste.

Analyzing the leachability of selected heavy metals from cement composites by long-term and cyclic tests

Faculty of Civil Engineering, Institute of Environmental Engineering

Selected Scientific Papers - Journal of Civil Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Using of waste materials and secondary products from other industries in building industry to manufacturing building materials is one way to the...

Analyzing the leachability of selected heavy metals from cement composites by long-term and cyclic tests

Publié en ligne: 12 juil. 2021

Pages: 105 - 115

DOI: https://doi.org/10.1515/sspjce-2021-0008

Mots clés
concrete, hexavalent chromium, supplementary cementitious materials, waste materials in concrete, heavy metals, human health risk

© 2021 Adriana Eštoková et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Analyzing the leachability of selected heavy metals from cement composites by long-term and cyclic tests

Publié en ligne: 12 juil. 2021

Pages: 105 - 115

DOI: https://doi.org/10.1515/sspjce-2021-0008

Mots clésconcrete, hexavalent chromium, supplementary cementitious materials, waste materials in concrete, heavy metals, human health risk

© 2021 Adriana Eštoková et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
concrete, hexavalent chromium, supplementary cementitious materials, waste materials in concrete, heavy metals, human health risk