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Best Or Partial Replacement Of Sand In Concrete

suitability of periwinkle shell as partial replacement,suitability of periwinkle shell as partial replacement for rivergravel in concrete olufemi isaac agbede and joel manasseh 62 materials and methods ordinary portland cement from dangote cement factory in gboko, benue state of nigeria was used as binding agent together with river benue sharp sand and washed gravel..effect of use of silica sand as fine material in concrete,sand size 1.18mm to 600 micron can be used in making concrete mix as the partial replacement of fine aggregate. nearly about 200 tones of silica sand is obtained daily after washing the raw material..

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