Answer / dushyant bansal

Cement can not be substituted by fly ash
Only some specific amount of fly ash can be added to cement
to reduce the cost of cement.

Answer / pranav a mudaliyar

Fly ash can be used as a filler material along with cement.
The advantage is that there is savings in terms of economy,
fly ash -waste material gets utilised (eco-friendly). But
there is deduction in strength of the Concrete

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