Partial Replacement of Metakaoline in Cement Concrete

Authors(2) :- K. Rajasekhar, K. Spandana

Concrete is the extensively used construction material in the world. However, environmental concerns both in terms of damage caused by the extraction of raw material and CO2 emission during cement manufacture have brought pressure to reduce cement consumption by the use of supplementary materials. The utilization of calcined clay, in the form of metakaolin (MK) in concrete has received considerable attention in recent years. On this matter, a study has been conducted to look into the performance of metakaolin as cement replacement material in concrete. The study focuses on the compressive strength performance of the blended concrete containing different percentage of metakaolin. The cement is replaced accordingly with the percentage of 5 %, 10%, 15% & 20% by weight. Concrete cubes are tested at the age of 7 and 28 days. In addition, the effect of calcination temperature to the strength performance is included in the study. Finally, the strength performance of metakaolin-concrete studied in this work. The results show that the strength development of concrete blended with metakaolin is enhanced. It is found that 15% replacement appears to be the optimum replacement where concrete exhibits enhanced compressive strength at all ages.

Authors and Affiliations

K. Rajasekhar
Department of Civil Engineering, Krishna Chaitanya Institute of Technology and Sciences, Markapur, Andhra Pradesh, India
K. Spandana
Department of Civil Engineering, Krishna Chaitanya Institute of Technology and Sciences, Markapur, Andhra Pradesh, India

Metakaolin (Mk), Puzzolonic, Concrete, Compressive Strength, Mix Design

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Publication Details

Published in : Volume 1 | Issue 4 | July-August 2015
Date of Publication : 2015-08-25
License:  This work is licensed under a Creative Commons Attribution 4.0 International License.
Page(s) : 340-346
Manuscript Number : IJSRSET151472
Publisher : Technoscience Academy

Print ISSN : 2395-1990, Online ISSN : 2394-4099

Cite This Article :

K. Rajasekhar, K. Spandana, " Partial Replacement of Metakaoline in Cement Concrete, International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 1, Issue 4, pp.340-346, July-August-2015.
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