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

<p>Concrete is as a significant building material. Due to the fact that it is possible to incorporate by-products and industry waste into its structure, concrete represents an important sustainable material. Steel slag has a great potential for its reuse in concrete production. Despite that it is subject to volume changes over time, it can be used in concrete as a cement replacement or as a substitute for natural aggregates. The paper is focused at investigation the concretes with steel slag as a substitute of natural gravel aggregate of 4/8 mm and 8/16 mm fractions. In addition, a life cycle assessment within the system boundaries cradle-to-gate was performed. Results showed that some samples with slag have better mechanical parameters than samples with natural aggregate and significantly affect the utilization rate of non-renewable raw materials and reduce the overall negative environmental impacts of concrete up to 7 %.</p>
</abstract>

Concrete is as a significant building material. Due to the fact that it is possible to incorporate by-products and industry waste into its structure, concrete represents an important sustainable material. Steel slag has a great potential for its reuse in concrete production. Despite that it is subject to volume changes over time, it can be used in concrete as a cement replacement or as a substitute for natural aggregates. The paper is focused at investigation the concretes with steel slag as a substitute of natural gravel aggregate of 4/8 mm and 8/16 mm fractions. In addition, a life cycle assessment within the system boundaries cradle-to-gate was performed. Results showed that some samples with slag have better mechanical parameters than samples with natural aggregate and significantly affect the utilization rate of non-renewable raw materials and reduce the overall negative environmental impacts of concrete up to 7 %.

Production of non-traditional concrete based on steel slag as a way to reduce the environmental impacts

VŠB-TU Ostrava, Department of Environmental Engineering

Civil Engineering Faculty, 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.

Concrete is as a significant building material. Due to the fact that it is possible to incorporate by-products and industry waste into its structure, concrete...

Production of non-traditional concrete based on steel slag as a way to reduce the environmental impacts

Online veröffentlicht: 12. Juli 2021

Seitenbereich: 147 - 155

DOI: https://doi.org/10.1515/sspjce-2021-0011

Schlüsselwörter
concrete, steel slag, sustainability, LCA

© 2021 Vojtěch Václavík et al., published by Sciendo

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

Production of non-traditional concrete based on steel slag as a way to reduce the environmental impacts

Online veröffentlicht: 12. Juli 2021

Seitenbereich: 147 - 155

DOI: https://doi.org/10.1515/sspjce-2021-0011

Schlüsselwörterconcrete, steel slag, sustainability, LCA

© 2021 Vojtěch Václavík et al., published by Sciendo

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

Schlüsselwörter
concrete, steel slag, sustainability, LCA