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m20 design mix by using robo sand in nepal

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m20 design mix by using robo sand in nepal

2018212effective filler material instead of fine the use of quarry dust as the fine aggregate decreases the cost of concrete production in terms of the partial replacement for natural river mix of m20 grade concrete with replacement of 5 10 15 and 20 0f quarry words quarry dust bagasse ash compressive

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