#ashokasays Did you know 184:
Kallanai dam
One Of The Oldest In The World, Kallanai Dam Exemplifies The Amazing Engineering Marvels Of India!
Built around 2,000 years ago across the Kaveri River in Tiruchirapalli District of Tamil Nadu, by Karikala Chola, the Kallanai dam also called as the Grand Anicut was constructed to divert the river to the delta districts thereby boosting irrigation and avoiding loss of crops due to floods.
The dam though very old has a strong foundation and a solid structure. It is still in excellent condition and is used as a major irrigation dam in Tamil Nadu. The dam has also been an inspiration for many recent modern day dams due to its amazing engineering.
The unique structure of the Kallanai dam involves large stones sunk in the Cauvery river to divert the water flow to the fertile delta.
The dam was re-modeled by the British during the 19th century.
It is believed that floods to an extent of about 5260 cumecs (1,86,000 cusecs) have been discharged through this anicut with minimal or no damage.
The dam is made of unhewn stone and is 1,080 feet long and 60 feet wide, across the main stream of the Cauvery. The area is irrigated by the ancient irrigation network of which the dam was the centrepiece, covering about 69,000 acres. By the early 20th century, the irrigated area had increased to about 1,000,000 acres
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INCREDIBLE BHARATHA
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