what is silica fumes or micro silica? and whr is it used?
wat r its advantages?
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Answer Posted / adityadmrc
Silica fume is 100 times more finer than cement. the
surface area for opc cement is 225 sqm/kg. silica fumes
gives more strength to the concrete as it fill the void
which exist between the cement partical Delhi metro rail
corporation is going to used for designing m80 or more
grade concre
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