Cement mortar calculation **for 10m3 brickwork and **in this topic of brickwork we know that in brickwork cement mortar quantity like cement sand and water is required. Cement consumption for 1 cubic metre brickwork

we calculate how much cement sand and water is required in brickwork of 10 m3 and calculate cement sand and water for **brickwork of 10 m3**

* **size of brick**:- there is two size of brick one is modular size of brick and second one is Indian size of brick in this calculation we have taken **Indian size of brick have dimension 230 × 115 ×75 mm and thickness of** cement mortar is about 10 mm and volume of brickwork is about 10 metre cube

◆ **what is admixture of concrete and its types and its properties**

**Calculate cement sand and water for 10m3 brickwork**

* **given dimension:-**

Volume of brickwork=10m3

Thickness of cement mortar=10mm

Size of brick =230×115 ×75 mm

Size of brick in metre=0.230 ×0.115×0.075

Adding 10 mm mortar thickness in size of brick

Size of brick with mortar=240 ×125 ×85 mm

Size of brick with mortar in metre=0.24×0.125×0.085 m

Vbw= volume of brickwork

Vm= volume of mortar

Vb =volume of brick

* **calculation**:-

Vbw =Vb +Vm

Vm =Vbw_Vb

Volume of one brick with mortar

=0.240×0.125×0.085m3=0.00255m3

If we divide volume of brickwork by volume of one brick with mortar we get total number of bricks

No. Of bricks = brickwork volume/ volume of one brick with mortar

Number of bricks=10/0.00255=3923 nos

Now we calculate volume of brick without mortar =0.230×0.115×0.075 m3=0.00198m3

Total brick volume=3922×0.00198=7.78m3

Volume of mortar=10 _ 7.78 =2.22m3

We consider wastage of mortar is 20%

Extra 20%=2.22×20/100=0.444m3

Now Total wet volume of mortar =2.22+0.444 =2.664 m3

Now we calculate dry volume in the case of dry volume calculation cement mortar is increased by 33% so we should multiply cofactor 1.33 in in wet volume

**Dry volume=1.33×2.664=3.543 m3**

Now we calculate quantity of cement sand and water

**What is cement mortar ratio for brickwork**

* **mix ratio :**– cement mortar ratio for brickwork is mixture of cement and sand. Cement mortar ratio for brickwork is 1:6 ( 1 part cement 6 part sand) and water cement ratio is about 0.5

Cement mortar ratio = 1:6

and total proportion is 1+6 =7

Part of cement = 1/6

Part of sand = 6/7

**cement mortar calculation in brick masonry**

Weight of cement =volume ×density

Density of cement=1440kg/m3

Dry volume=3.543 m3

And cement quantity is 1 part in total proportion 7 so

Weight =3.543×1×1440/7 =729 kg

One bag cement is 50 kg

Number of bag of cement =729/50=14.6 bags

**quantity of sand required for 10m3 brickwork**

in mix ratio sand is 6 part and total proportion in 7

1m3 =35.3147 cft

We convert cubic metre into cubic foot

Sand quantity =3.543×6×35.3147/7 =107cft

3) **water quantity**:- in mix ratio cement water ratio is about 0.5

Water/cement=0.5

Cement = 729 kg

Water = 0.5×729 =364.5 liter

14.6 bags ( 729 kg ) cement, 107 Cuft sand, 365 litre water and 3923 nos bricks required for 10 cubic metre (10m3) brickwork

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Shivanand Mali says

I want method statement for brick work activity