Explain the Proportionates of Ordinary concrete,Standard
concrete,High Stength Concrete of Grades "M10,M15,M20" ,
"M25,M30,M35,M40,M45,M50,M55" , "M60,M65,M70,M75,M80"
Respectively.
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Answer Posted / Rajiv Yadav
Ordinary Concrete (OPC):nAggregates: Fine and Coarse aggregates in the ratio of 3:1nCement: Aggregates = 1:3nWater: Cement = 1:4nStandard Concrete (PSC):nAggregates: Fine and Coarse aggregates in the ratio of 2.5:1nCement: Aggregates = 1:2.5nWater: Cement = 1:6nHigh Strength Concrete (HSC):n(For M10-M50) Aggregates: Fine and Coarse aggregates in the ratio of 3.5:1 to 4:1nCement: Aggregates = 1:4 to 1:6nWater: Cement = 1:8 to 1:12 (depending on the grade)n(For M55-M80) Aggregates: Fine and Coarse aggregates in the ratio of 4.5:1 to 6:1nCement: Aggregates = 1:5 to 1:7nWater: Cement = 1:12 to 1:18 (depending on the grade)
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