How many bags of cement in m15 grade of 1m3 of concrete

How many bags of cement in m15 grade of 1m3 of concrete

■ what is the ratio of m15 concrete

■ introduction :-in this topic we know about how many bags of cement in m15 grade of 1m3 of concrete. we know that concrete is generally two types RCC that is reinforced cement concrete and PCC which is plain cement concrete. RCC concrete having used of Steel and PCC concrete is without Steel ,concrete is mixture of cement sand and aggregate in fixed proportion and m15 is ordinary grade of concrete that is not used in RCC work it is only used in PCC work.

■ what is the ratio of m15 concrete

There are different types of grade of concrete like M 7.5 ,M10, M15, M20, M 25 and so on. But in this topic we have to study about m15 grade of concrete.M Stand for mix and numerical figure is compressive strength of curing time of 28 days. And mix ratio in m15 grade of concrete is 1:2:4 in which one part is cement 2 part is sand and 4 part is aggregate.

How many bags of cement in m15 grade of 1m3 of concrete
How many bags of cement in m15 grade of 1m3 of concrete

How many bags of cement in m15 grade of 1m3 of concrete

Given volume of concrete = 1m3

Wet volume = 1m3

Dry volume = wet volume×1.54

For calculation of dry volume we multiply 1.54 into wet volume

Dry volume = 1m3×1.54 =1.54 m3

Density of cement = 1440 kg/m3

Mix ratio = 1 :2:4

Total proportion = 1+2+4=7

Part of cement = 1/7

Part of sand = 2/7

Part of aggregate = 4/7

1)■ bags of cement in m15

Weight = volume× density

Weight = 1/7×1.54 m3×1440 kg/m3

Weight = 316.8 kg

1 bags cement = 50 kg

bags of cement = 316.8/50 =6.336

bags of cement in m15 = 6.336

2) volume of sand in cft

1m3 = 35.32 cft

Volume =( 2/7) × 1.54×35.32

Sand volume = 15.54 cft

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3) volume of aggregates in cft

1m3 = 35.32 cft

Volume =( 4/7) × 1.54×35.32

Sand volume = 31 cft

So quantity of material in m15 grade of 1 cubic metre concrete is following

bags of cement in m15 = 6.336

Volume of sand = 15.54 cft

Volume of aggregates = 31 cft

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