Fly ash Brick Technology

Fly Ash Bricks Technology





FLY ASH BRICK FEATURES
Sr. No.
Particulars
Specifications
Remarks
1. Weight of Bricks 2.75 – 3.25 Kg / Brick Depend upon Sand quality
2. Compressive Strength 50-80 kg/cm2 -
3. Water Absorption 12-16% Depend upon product recipe
RAW MATERIALS
Sr. No.
Particulars
Specifications
1. Fly ash 50-70%
2. Sand 15-20%
3. Lime & Gypsum 15-20%
4. Cement 05-08%
TECHNICAL COMPARISION
  PARTICULARS   CONVENTIONAL RED BRICKS   FLYASH BRICKS
Strength 40 – 65 Kg/cm2 70 – 120 Kg/cm2
Shape & Size Non Uniform & Irregular Uniform & Regular
Water Absorption 20 – 25 % 10 – 15 %
Breakage / Wastage 8 – 10 % 3 – 4 %
Mortar Consumption High Less
Density 1500 – 1700 Kg/cm3 1200 – 1350 Kg/cm3
Nos. of Bricks for100 sq.ft. wall of 9” thick 1100 Nos 925 Nos.
Mortar Joint Thickness 15 – 18 mm 8 – 10 mm
Plaster Thickness 15 – 20 mm 10 – 12 mm

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