Substitution of aggregates by waste foundry sand: effects on physical properties of mortars
The substitution of the normalized aggregate by residual foundry sand (WFS) was studied on the physical properties of mortars by means of resistance to compression and capillary absorption tests. The aggregate was replaced by WFS in its natural state (WFS), washed residual foundry sand (WFSW) and h...
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Consejo Superior de Investigaciones Científicas
2021-07-01
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Online Access: | https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/2321 |
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doaj-221af8d0a6b24288be4a4f7ed62c02ff2021-08-17T12:29:05ZengConsejo Superior de Investigaciones CientíficasMateriales de Construccion0465-27461988-32262021-07-017134310.3989/mc.2021.10320Substitution of aggregates by waste foundry sand: effects on physical properties of mortarsB.A. Feijoo0J.I. Tobón1O.J. Restrepo-Baena2Universidad Nacional de Colombia, Facultad de MinasUniversidad Nacional de Colombia, Facultad de MinasUniversidad Nacional de Colombia, Facultad de Minas The substitution of the normalized aggregate by residual foundry sand (WFS) was studied on the physical properties of mortars by means of resistance to compression and capillary absorption tests. The aggregate was replaced by WFS in its natural state (WFS), washed residual foundry sand (WFSW) and heat treated residual foundry sand (WFST). The WFS had a percentage of bentonite, which was sought to be thermally activated. It was found that the physical behavior of the mortars containing WFS and WFSW was similar to that of the control sample. The clay recovered from the sand washing was evaluated for its pozzolanic potential, it was found that, with the thermal treatment, the montmorillonite acquires pozzolanic behavior. Mortars with WFST presented a drop in compressive strength. The pozzolanic effect achieved in the clay was not reflected in the compressive strength of the mortars with WFST. https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/2321Waste treatmentPozzolanAggregateMortarCompressive strength |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
B.A. Feijoo J.I. Tobón O.J. Restrepo-Baena |
spellingShingle |
B.A. Feijoo J.I. Tobón O.J. Restrepo-Baena Substitution of aggregates by waste foundry sand: effects on physical properties of mortars Materiales de Construccion Waste treatment Pozzolan Aggregate Mortar Compressive strength |
author_facet |
B.A. Feijoo J.I. Tobón O.J. Restrepo-Baena |
author_sort |
B.A. Feijoo |
title |
Substitution of aggregates by waste foundry sand: effects on physical properties of mortars |
title_short |
Substitution of aggregates by waste foundry sand: effects on physical properties of mortars |
title_full |
Substitution of aggregates by waste foundry sand: effects on physical properties of mortars |
title_fullStr |
Substitution of aggregates by waste foundry sand: effects on physical properties of mortars |
title_full_unstemmed |
Substitution of aggregates by waste foundry sand: effects on physical properties of mortars |
title_sort |
substitution of aggregates by waste foundry sand: effects on physical properties of mortars |
publisher |
Consejo Superior de Investigaciones Científicas |
series |
Materiales de Construccion |
issn |
0465-2746 1988-3226 |
publishDate |
2021-07-01 |
description |
The substitution of the normalized aggregate by residual foundry sand (WFS) was studied on the physical properties of mortars by means of resistance to compression and capillary absorption tests. The aggregate was replaced by WFS in its natural state (WFS), washed residual foundry sand (WFSW) and heat treated residual foundry sand (WFST). The WFS had a percentage of bentonite, which was sought to be thermally activated. It was found that the physical behavior of the mortars containing WFS and WFSW was similar to that of the control sample. The clay recovered from the sand washing was evaluated for its pozzolanic potential, it was found that, with the thermal treatment, the montmorillonite acquires pozzolanic behavior. Mortars with WFST presented a drop in compressive strength. The pozzolanic effect achieved in the clay was not reflected in the compressive strength of the mortars with WFST.
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topic |
Waste treatment Pozzolan Aggregate Mortar Compressive strength |
url |
https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/2321 |
work_keys_str_mv |
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1721205076454801408 |