Thursday, December 10, 2009

Different Architecture - Adobe buildings!

Some of the earliest structures were Adobe architecture.
Adobe is a material made from sand, clay and straw, dung or
other fibrous materials.

The adobe is then formed into bricks using frames and dried
in the sun. Similar to cob or mud bricks, the structures
become extremely durable. They are used mainly in hot, arid
climates because they remain cool in the summer and release
heat very slowly in the winter.

The same mixture, without the straw is used for mortar in
placing the dried adobe bricks together to form a
structure. Some cultures even figured out they could
utilize lime-based cement for plaster to protect against
the wet months.

The thickness of the adobe bricks is key in the
architecture. It is what essentially keeps the structures
cool in the summer and warm in the winter.

The largest structure ever erected from Adobe was the Bam
Citadel. But it suffered serious damage from an earthquake
in 2003.

Bam Citadel, Iran

The Huaca del Sol in Peru is another grand adobe structure
that was created from over 100 million signed bricks.

The world’s largest adobe architecture structure is the
citadel of Arg-e Bam, erected as late as 500BCE, possibly

The area of Bam Citadel is 180,000 square meters and is
surrounded by walls 6-7 meters high and 1815 meters in
length, all out of Adobe. When the gates to the city were
closed, no human or animal could enter. The city was
self-contained with well access, gardens and cattle all
within the walls.

The adobe architecture was a little different when it came
to putting a roof on the structure. Typically roofs were
assembled from lengths of wood or metal. Then rows of dried
adobe bricks are laid over the top of a support structure
and plastered into place with more adobe.

Dan and Deanna "Marketing Unscrambled"

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