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Grading of concrete

Grading of concrete with the ratio of cement sand and broken stone.

Concrete is a composite material composed of water, coarse granular material (the fine and coarse aggregate or filler) embedded in a hard matrix of material (the cement or binder) that fills the space among the aggregate particles and glues them together.Rdcconcrete


Grade of concrete Crushing or characteristic strength at 28 days
M10=1:3:6 100 kg/cm2=10 N/mm2
M15=1:2:4 150 kg/cm2=15 N/mm2
M20=1:1.5:3 200 kg/cm2=20 N/mm2
M25=1:1:2 250 kg/cm2=25 N/mm2

concrete

 

 

cement
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