How many cement bags in m15 concrete,what is the mix ratio of m15 concrete, hi guys in this topic we know about how many cement bags in m15 grade of 1m3 of concrete & how much cement, sand and aggregate required for m15 grade of 1m3 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 cement mortar 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 how many cement bags in m15 grade of concrete. M Stand for mix and numerical figure is compressive strength of concrete for curing time of 28 days.

**And cement mortar 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 cement bags in m15 concrete**

**How many cement bags in m15 concrete?** given volume of concrete = 1m3, wet volume of concrete = 1m3, dry volume = wet volume×1.54, for converting wet volume to dry volume, we will multiply 1.54 in wet volume of concrete, dry volume = 1m3×1.54 =1.54 m3, density of cement = 1440 kg/m3, mix ratio for m 15 concrete = 1 :2:4, total proportion = 1+2+4=7,Part of cement = 1/7, weight = volume× density, weight of cement= 1/7×1.54 m3×1440 kg/m3 = 316.8 kg,1 bags cement = 50 kg,bags of cement = 316.8/50 = 6.336, **so 6.336 cement bags (316.8 kg) are required in m15 grade of 1m3 concrete.**

**no of cement bags in m15 concrete**

Weight = volume× density

Weight = 1/7×1.54 m3×1440 kg/m3

Weight of cement = 316.8 kg

1 bags cement = 50 kg

bags of cement = 316.8/50 = 6.336

**6.336 bags (316.8 kg) of cement are used in m15 grade of 1m3 concrete**.

**How much cement, sand & aggregate required for m15 grade of 1m3 concrete**

1) quantity of cement :- 6.336 bags of cement required for M15 grade of 1m3 concrete

**2) volume of sand in cft for M15**

1m3 = 35.32 cft

Volume =( 2/7) × 1.54×35.32

Sand volume = 15.54 cft

15.54 cuft sand is required for M15 grade of 1m3 concrete

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**3) volume of aggregates in cft for M15**

1m3 = 35.32 cft

Volume =( 4/7) × 1.54×35.32

Aggregate volume = 31 cft

31 cuft aggregate is required in M15 grade of 1m3 concrete

6.336 bags cement, 15.54 cu ft sand and 31 cu ft aggregate are quantity of material required for m15 grade of 1m3 (cubic metre) concrete.

bags of cement in m15 = 6.336

Volume of sand = 15.54 cft

Volume of aggregates = 31 cft