Dams and Appurtenant Hydraulic Structures

Water, one of the few natural resources without which there is no life, is distributed throughout the world unevenly in
terms of place, season and quality. For this reason it is essential to construct dams on rivers, thus forming reservoirs
for the storage and the even use of water.

To date, forty-two thousand large dams have been built worldwide, and hundreds of thousands of smaller ones, which
have made possible a rational use of a certain amount of river water - the most important water resource for human
life and activity. Dams, together with their appurtenant hydraulic structures, belong among the most complex
engineering works, above all because of their interaction with the water, their great influence on the environment and
their high cost.



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