Abstract:- Presently researches all over the
world is concentrating on alternative materials as
partial cement replacement in concrete production.
The use of pozzolanic material in concrete is
becoming increasingly important because of the
need for more sustainable cementing products.
Volcanic ash is a form of natural pozzolan and has
a chemical composition comparable to other
supplementary cementitious materials. In this
paper, volcanic ash was used to partially replace
cement in the ratio of 0%, 5%, 10%, 15% and 20%
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