Showing papers in "Structural Concrete in 2021"
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TL;DR: In this paper, a study was performed on WFS as a partial substitution instead of natural sand in concrete, and the effects of WFS on concrete performance were assessed through durability and mechanical performance.
Abstract: Industrial waste has rapidly increased day by day due to the fast-growing population
and usage of products, which dumps unscrupulously, resulting in environmental
pollutions. Waste foundry sand (WFS) is one of the industrial solid
wastes. River sand is generally used in concrete as a fine aggregate, which is
limited (scant), and river excavation for sand leads to environmental deterioration.
To resolve these problems, a study was performed on WFS as a partial
substitution instead of natural sand in concrete. The effects of WFS on concrete
performance were assessed through durability and mechanical performance.
The results from experimental tests show that, compared to concrete
blends with WFS up to 30% substitution, the control mix strength was only
7.6% (28 days) higher, and this improvement is not too high. In the same manner,
concrete mixtures that contain WFS up to 30%, and their durability properties
were somewhat same to blank max (control). Test results showed that
WFS with a substitutions ratio up to 30% can be successfully used in concrete
without disturbing its durability and strength properties.