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Influence of adding metakaolin to high-strength concrete

By Faisy Soares

Influence of adding metakaolin to high-strength concrete Business & Technology

Influence of adding metakaolin to high-strength concrete

By Faisy Soares

- Default Title
Description
The need to build structures that are durable and resistant to aggressive environments has led to the development of high-strength concrete. Such activities generate high cement consumption, a factor that implies CO2 emissions. The aim of this study was to evaluate the influence of pozzolan with the addition of metakaolin on the physical-mechanical characteristics of high-strength concrete, comparing them with the standard formulation. Tests were carried out to characterize the aggregates (NBR 7211), petrography tests (NBR 15577 - 3/08) and alkali-aggregate reaction (NBR 15577-05/08). Test specimens were made in accordance with standard NBR 5738-1/04 with additions of 0%, 4%, 6%, 8% and 10% of metakaolin to replace CP V cement in the formulations. Spreading and compressive strength tests were carried out in accordance with standards NBR 7223/1992 and NBR 5739-8/94 respectively. All the formulations with added metakaolin had a higher 28-day breaking strength than the standard formulation. These results provide an alternative for reducing CO2 emissions, as well as improving the quality and durability of the concrete.
Product details
Binding:
Paperback
Number of Pages:
60
Release Date:
2025-05-13
Publication Date:
2025-05-13
Publisher:
Our Knowledge Publishing
Languages:
Original: English
ISBN10:
6207642902
ISBN13:
9786207642908
GPSR Manufacturer Reference:
[email protected]
Weight:
107 g
Height:
150 cm
Width:
220 cm
Thickness:
4 cm
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