## CALCULATION OF MATERIALS REQUIRED FOR BRICK WORK WITH STANDARD BRICKS FOR 10 CUM OF WORK.

###
__BRICK__**:**

__BRICK__

Considering a wall 1½ brick thick, 30 cm nominal thickness of
length 15 m and height of 5 m.

Ø
Total
Nominal Volume = 15m × 0.3m (30 cm) × 5m = 22.5 cum.

Normally for brickwork, mortar joint
will be less than 1 cm (1 m), taking 1 cm mortar joint, the thickness of the
wall will be 29 cm.

Ø
Hence,
the Actual Volume = 15m × 0.29m (29 cm) × 5m = 21.75 cum.

The Nominal size of a Standard Brick
= 20 cm × 10 cm × 10 cm

Ø
Then,
the Volume of a Standard Brick of Nominal Size= 0.20m
× 0.10m × 0.10m = 0.002 cum.

Ø
Therefore,
the Number of Standard Bricks for Actual Volume (21.75 cu m.) –

Ø Hence, Number of Brick required per cu m.
(Nominal) –

Ø Considering 5% breakages, wastage, etc.,
then Number of Brick required per cu m. = 507 nos, this may be taken as 500
nos. per cum.

v For 10 cum. Of Brickwork (500x10) 5000
nos Brick are required.

###
__MORTAR__**:**

__MORTAR__

Ø
Mortar
requirement for Brickwork –

= (Total Actual Volume of Brickwork – Net
Volume of Bricks)

= 21.75 – (10875×0.19×0.09×0.09)

= 21.75 – 16.737

= 5.013 cum.

Ø 15% extra Mortar considering for frog
filling, for use of cut bricks, for bonding, for uniform joints, wastage etc.,
hence, the Total Volume the Mortar –

= Mortar requirement for Brickwork + (Mortar
requirement for Brickwork × 15%)

= 5.013 + (5.013×15%)

= 5.765 cum.

Ø For dry volume increased by ¼ dry volume of
Mortar –

= Total Volume the Mortar + (Total Volume the
Mortar × ¼)

= 5.765 × (5.765 × ¼)

= 7.206 cum.

For 22.5 cum. of Brickwork, dry volume of
mortar = 7.206 cum.

v For 10 cum of brickwork, Dry Volume of mortar
= 7.206 × (10/22.5) = 3.203 cum.

Ø
In
practice, for cement mortar 3 cum. dry mortar and lime mortar 3.5 cum of dry
mortar are taken for 10 cum. brickwork, an approximate 30% of total brickwork
quantity may be taken for dry mortar.

###
**Calculation
of Material of Mortar – **

To calculate the Material for Mortarconsidering
proportion of material = 1:6

Ø For 10 cum. of brick work dry volume of mortar = 3 cum.

Ø
Cement: Sand
= 1:6

Ø
Cement + Sand
= 1 + 6 = 7

Ø
For Cement –

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ReplyDeleteThanks for the best blog. it was very useful for me.keep sharing such ideas in the future as well. Rectify

ReplyDeleteTo figure how many you need measure your wall length and height. After you have determined your dimensions if you are using modular take your square foot times seven and this will give you how many brick you need. Tuckpointing company website

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