Presentation on robosand crit by raghavendra
TesT on concreTe making maTerial wiTh roBosanDanD river sanD as ingreDienTs cemenT (as per is ) RIVER SAND ROBOSAND 3 days compressive strength M Pa M Pa 7 days compressive strength M Pa M Pa 28 days compressive strength M Pa M Pa setting times initial 190 min 190 min final 290 min 290 min Fineness (''s) 308 sq. m/Kg 308 sq. m/Kg