How to calculate no of bricks, cement and sand for 1m3 brickwork

How to calculate no of bricks cement and sand for 1m3 brickwork,How much cement and sand required for 1m3 brickwork,in this topic we learn about how to calculate cement and sand quantity for 1m3 brickwork.

We know that in many Asian country building structure and construction of house used brick for the the formation of brick wall. Cement mortar used as adhesive or binding material for laying of brick in brick wall.

Strength of brickwork depends on a many factors like Bond strength between laying of brick, thickness of cement mortar quality of bricks which will be used and proper curing of water.

So in this topic we know about how to calculate cement and sand required for 1m3 brickwork.

◆ brickwork :- first we should need familiar with brickwork, it is Laying of brick one another above by using cement mortar as binding or adhesive material. Brickwork is used for construction of house wall, water tank reservoir, boundary wall retaining wall and for many purpose in civil construction.

■ mortar thickness :- cement and sand mix is known as cement mortar, mortar thickness will be 10 mm to 12 mm in brickwork. It is good thickness for gaining high strength of brickwork. More or less than above mention size of mortar thickness will decrease the strength of brickwork.

◆ brick wall size:- we know that there is two size of brick wall size is used worldwide one is being 9 inch wall and second one is being 4 inch wall. But in this calculation I have taken cement and sand for brickwork of 9 inch wall.

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■ mortar ratio :- 1:6 ( one part is cement and 6 part is sand) mortar is used for 9 inch wall.

How to calculate no of bricks, cement and sand requred for 1m3 brickwork

Number of bricks, cement sand quantity in 1 cubic metre of brickwork is depend on cement mortar thickness and brick wall size, there are three types of brick wall size 4.5 inch brick wall, 9 inch brick wall and 13.5 inch brick wall. Let us discuss about number of bricks in 1 cubic metre of brickwork.

How much number of bricks are used in 1m3 brickwork

Step 1 Given:-

Modular brick size = (190×90×90) mm

Mortar thickness = 10 mm

Mortar ratio = 1:6

Density of cement = 1440 kg/m3

volume of brickwork = 1m3

Step 2 Solve :-

Volume of one brick with mortar

= 0.2 × 0.1×0.1 m3 = 0.2 m3

● Ans. :-  number of bricks are used in 1 cubic metre of brickwork is calculated by dividing volume of brickwork by  volume of one brick with mortar (= 1/0.002 = 500 nos), so 500 no of bricks are used in 1m3 of brickwork.

Cement quantity required for 1m3 brickwork

Now volume of one brick without mortar

= 0.19 ×0.09 ×0.09 m3 = 0.001539 m3

So volume of 500 bricks

= 500×0.001539 m3 = 0.7695 m3

When we subtract volume of 500 brick from volume of 1 cubic metre brickwork we will get volume of mortar

Volume of mortar = 1m3_0.7695m3
Volume of mortar =0.2305 m3

This is volume of mortar in wet condition we should calculate dry volume of mortar multiply cofactor 1.33 in wet volume of mortar to get dry volume

Dry volume = wet volume × 1.33

Dry volume = 0.2305×1.33 =0.306565 m3

Mortar ratio = 1:6

Total proportion = 1+ 6 = 7

Part of cement = 1/7

Weight = volume × density

Weight of cement in kg

W = (1/7) 0.306565 m3×1440 kg/m3

Weight of cement= 63 kg
One bag cement = 50 kg

Number of bag cement = 63/50 = 1.26

● Ans. :- 1.26 bags (63 kgs) of cement quantity required for 1 cubic metre of brickwork

sand quantity required for 1 cubic metre brickwork

Mortar ratio = 1:6

Total proportion = 1+ 6 = 7

Part of sand = 6/7

1 m3 = 35.32 cft

Volume of sand =( 6/7)0.306565×35.32 cft

Volume of sand = 9.28 cuft

● Ans. :- 9.28 cu ft sand quantity are required for 1 cubic metre of brickwork

So number of brick, quantity of cement and sand required for 1 cubic metre of brickwork is following

1) number of bricks = 500 nos

2) cement bag = 1.26 bags

3) sand quantity = 9.28 cuft

● Ans. :- 500 bricks, 1.26 bags (63 Kgs) of cement and 9.28 cu ft sand quantity are required for 1 cubic metre of brickwork.