DESIGN
OF BRICK MASONRY
Brick
1)
Clay
2)
Calcium Silicate (Cement, FAL-G)
(Comp.
strength à 3.5 to 40 N/mm2)
Used for,
1. External
and internal bearing walls
2. Load
bearing piers and columns
3. Paritition
walls
4. Brick
masonry foundations
5. Floorings
and Pavings
Advantages of brick masonry:
Attractive appearance, economical light weight, durable,
strength, fire resistance, sound insulation, low thermal conductivity, minimum
maintenance.
Classification of bricks: [Based on shapes]
1. Solid
bricks -Perforations or holes not greater than 25% of volume
2. Perforated
bricks -Perforation is greater than 25% of volume. Advantages:of perforated
bricks are high thermal insulation and light weight. Water absorption should
not be greater than 15% after 24 hours of insertion and compressive strength
not less than 7N/mm2.
3. Hollow
blocks -Holes greater than 20% and sizes of holes greater than 20mm.
4. Cellular
bricks -Holes greater than 20% and closed at one end
5. Ornamental
bricks -Bricks used in corbels, cornices, etc.
Size of bricks: [As per IS1077]
Standard size -19 x 9 x 9 cm
Modular brick -20 x 10 x 10 cm
The
average compressive strength of brick unit as per IS3495 (Part I) -1976 is, 3.5
- 40N/mm2
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