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Influence of adding metakaolin to high-strength concrete

by Faisy Soares , Rubens Maribondo , Celina Leal
Save 12% Save 12%
Current price ₹3,463.00
Original price ₹3,951.00
Original price ₹3,951.00
Original price ₹3,951.00
(-12%)
₹3,463.00
Current price ₹3,463.00

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Book cover type: Paperback
  • ISBN13: 9786207642908
  • Binding: Paperback
  • Subject: N/A
  • Publisher: Our Knowledge Publishing
  • Publisher Imprint: Our Knowledge Publishing
  • Publication Date:
  • Pages: 60
  • Original Price: GBP 31.23
  • Language: English
  • Edition: N/A
  • Item Weight: 96 grams
  • BISAC Subject(s): Engineering (General)

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.

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