Overflow Dam in Peculiar Type

Pyongyang, March 17 (KCNA) — Scientists of the Hydraulic Engineering Institute under the State Academy of Sciences of the DPRK have developed the construction method of an overflow dam of peculiar type to guarantee the security of hydro-power stations and reservoirs.

The dam of zigzag type has no floodgate.

This method has several advantages.

Firstly, having no floodgate, the dam needs no expense for the construction and management of floodgate structures and offers no danger of accident from a floodgate trouble.

Secondly, being of zigzag type, the dam can increase the amount of displacement beyond comparison with the straight type of the same length and reliably protect the main dam from any big flood.

It has already been practically proved that it hydrographically protects the main dams of a power station and a reservoir, even if it is made of sand and stones.
The method, which makes it possible to cut the cost by one-third while considerably reducing the construction period, is drawing keen interests from among the specialists.

Image credit: https://www.flickr.com/photos/comradeanatolii/7163542282/

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