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Performance of cement mortar with waste ground clay brick

Published online by Cambridge University Press:  16 March 2018

Mohammed Si-Ahmed
Affiliation:
Civil Engineering Department, University Saad Dahleb- Blida1, Algeria
Said Kenai*
Affiliation:
Civil Engineering Department, University Saad Dahleb- Blida1, Algeria
Elhem Ghorbel
Affiliation:
Laboratory L2MGC, University of Cergy Pontoise, France
*
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Abstract

An effective way to reduce the impact of cement production on the environment is to use supplementary cementitious materials (SCM) as a partial substitution to cement. In addition to the reduction in cost and energy saving, the use of SCM in cement for the manufacture of mortar and concrete offers technical advantages. In this paper, cement was partially substituted by fines obtained from crushed recycled bricks recovered from a brick plant. The level of substitution was either 0%, 5%, 10% or 15% by weight of cement. The results show that cement substitution by brick fines resulted in a slight loss of workability with the increase of the substitution rate. Substitutions rates of 5% and 10% produced at long-term comparable strength as control mortars. The differential thermal analysis (DTA) and thermo-gravimetric analysis (TGA) results show cement hydration improved significantly with different rates of substitutions at 28 and 180 days of age.

Type
Articles
Copyright
Copyright © Materials Research Society 2018 

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References

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