terracotta group members chetak lathiya axay kotadiya akshat garg yash banker rahul chothani vineet...
TRANSCRIPT
TerracottaGroup members
Chetak Lathiya
Axay Kotadiya
Akshat Garg
Yash Banker
Rahul Chothani
Vineet Parekh
Introduction Terra means "EARTH" &
Cotta means "BAKED" A type of earthenware or
porous pottery
made from local clays
glaze with glazes containing galena. Soft enough to be scratched
by a knife.
History Produced by western
and pre-colombian
people after the 14th
century Has been used throughout
history for sculpture,
pottery, bricks & roof shingles.
Manufacturing Includes 4 operations- Preparation of clay Moulding Drying Burning
Physical Properties of Terracotta
when it is in wet form, it has bad odor. But when it is baked and original terracotta is formed, then it is odorless . It appears red & brown in color.
has a rough texture, but can be finished when it is molded.
it feels rough.
Proporties of Terra cotta
fired clay usually low fired typically a reddish,unglazed ceramic materil may be hard fired glzed or unglazed ceramic material Durable Fireproof Strong and be molded in to any shape i.e. MEALLEABLE
available in variety of designs colour and finishes
Composition of terracotta
Dry clay 50-60% ground glass 8-10% crushed pottery 20% clean white sand 10-20%
proportionDRY CLAY
GROUND GLASS
CRUSHED POTTERY
CLEAN DRY SAND
MATERIALS DRY CLAY GROUND GLASS
CRUSHED POTTERY CLEAN DRY SAND
Varieties of terracotta
1.POROUS TERRACOTTA 2.POLISHED TERRACOTTA
porous terra cotta
fire proof.sound proof.can be chiseled and nailed easily.light in weight.resistant to weathering action.structurally weak.
polished terra cotta
known as fine terra cotta hard, strong & durable leak proof(water absorption < 12%) & can be easily
cleaned available in variety of colors indicate superior quality of terra cotta used for ornamental purposes and in industrial area ordinarily unaffected by the adverse atmospheric
conditions.
ADVANTAGES OF TERRACOTTA strong and durable available in different colors cheaper than ordinary finely dressed stone can be easily cleaned fire proof thus used with RCC work light in weight terracotta products are easy to install eco-friendly material, recyclable. not affected by atmospheric agencies, acids and weathering actions as compared to any other stone
disadvantages oF terracotta
cannot fixed during progress of work but it can be fixed during completion
shape may get change due to unequal drying
Market Availability terracotta tiles( square, buttons) decorative roofs Flooring vitrified tiles parking tiles terracotta bricks Murals Bonsai Flower pots Potteries Cookware Handicrafts sculptures
Not directly available in market, but Found in different forms...
Sculpture
Usage in Building Industries
hollow blocks of terracotta are used for masonries cornices and arches Statuettes ornamental works being fire-proof, it is most suitable as casing for steel
columns & beams it is also used for sound insulation.
COST OF TERRACOTTA
Generally the cost of terracotta is about 100 to 120 rs per kg.
Terracotta bricks costs 25 to 30 Rs. per brick.
FEW EXAMPLES
Religious statue made from terracotta
TERRACOTTA ARMY, CHINA
POTTERY
CLAY MODELS
TERRACOTTA ROOFS
TERRACOTTA TILES AND FLOORING
TERRACOTTA WALLS
TERRAOTTA MURALS
THANK YOU
SUBJECT: BUILDING MATERIAL AC-107
FACULTY: MANOJ SIR & SAGAR SIR