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

<p>In the construction sector, the non-renewable world resource of sand is largely used to produce mortar and concrete. It has been estimated that over 10 billion tons of sand have been produced, with 1.2 billion tons used in concrete over the last decade, which leads to a progressive reduction of available construction materials and environmental impacts. Since desert sand resources are abundant in arid region of Adrar (Southern Algeria), it would be viable to use desert-sand as an alternative material for the production of self-compacting concrete. Therefore, self-compacting concrete is experiencing significant demand in that arid region since it offers socio-technical and economic solutions to stakeholders in the construction and public works industry. Furthermore, the present study aims to address the concerns of these stakeholders. The results obtained showed that the self-compacting concrete that was made with local materials, behave correctly, both in the fresh and hardened states. This concrete included a 1% super plasticizer dosage, a gravel-to-sand (G/S) ratio varying between 0.8 and 1.1, and additions of limestone fillers up to 50% relative to the mass of cement for self-compacting concrete made with dune sand, while this percentage could go up to 38% for self-compacting concrete made with corrected sand (63% crushed sand with 37% dune sand).</p>
</abstract>

In the construction sector, the non-renewable world resource of sand is largely used to produce mortar and concrete. It has been estimated that over 10 billion tons of sand have been produced, with 1.2 billion tons used in concrete over the last decade, which leads to a progressive reduction of available construction materials and environmental impacts. Since desert sand resources are abundant in arid region of Adrar (Southern Algeria), it would be viable to use desert-sand as an alternative material for the production of self-compacting concrete. Therefore, self-compacting concrete is experiencing significant demand in that arid region since it offers socio-technical and economic solutions to stakeholders in the construction and public works industry. Furthermore, the present study aims to address the concerns of these stakeholders. The results obtained showed that the self-compacting concrete that was made with local materials, behave correctly, both in the fresh and hardened states. This concrete included a 1% super plasticizer dosage, a gravel-to-sand (G/S) ratio varying between 0.8 and 1.1, and additions of limestone fillers up to 50% relative to the mass of cement for self-compacting concrete made with dune sand, while this percentage could go up to 38% for self-compacting concrete made with corrected sand (63% crushed sand with 37% dune sand).

Designing Self-Compacting Concrete Using Local Materials from the Arid Region of Adrar, Algeria

Laboratory for Sustainable Development and Information

Faculty of Science and Technology at Ahmed Draia University of Adrar

Laboratory of Experimental and Numerical Modeling of Materials and Structure in Civil Engineering

Laboratory for Energy, Environment, and Information System

Journal of Applied Engineering Sciences

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

In the construction sector, the non-renewable world resource of sand is largely used to produce mortar and concrete. It has been estimated that over 10 billion...

Designing Self-Compacting Concrete Using Local Materials from the Arid Region of Adrar, Algeria

Pubblicato online: 21 dic 2022

Pagine: 145 - 158

Ricevuto: 29 apr 2021

Accettato: 03 mag 2022

DOI: https://doi.org/10.2478/jaes-2022-0020

Parole chiave
Arid region, Local materials, Limestone filler, Dune sand, Self-compacting concrete

© 2022 D. Belhadj Aissa et al., published by Sciendo

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

Designing Self-Compacting Concrete Using Local Materials from the Arid Region of Adrar, Algeria

Pubblicato online: 21 dic 2022

Pagine: 145 - 158

Ricevuto: 29 apr 2021

Accettato: 03 mag 2022

DOI: https://doi.org/10.2478/jaes-2022-0020

Parole chiaveArid region, Local materials, Limestone filler, Dune sand, Self-compacting concrete

© 2022 D. Belhadj Aissa et al., published by Sciendo

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

Parole chiave
Arid region, Local materials, Limestone filler, Dune sand, Self-compacting concrete