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Facilities for surface water intake
Complex structures, which serve to extract water from the source is called the water intake. Depending on the source water supply intake structures are distinguished:
a) coastal;
b) run-of-river;
b) reservoir;
d) lacustrine;
d) marine.
According to the degree of stationarity of the intakes are divided into stationary and non-stationary (floating, travelling). By purpose are divided into technical and drinking. Duration of operation – permanent and temporary. Technological and design features – bucket, power, combined, etc. By location of receiving waters – coastal and bed. The required reliability of water supply in accordance with the instructions of SNiP II-31-74. The performance of small (less than 1 m 3 /h), medium (from 1 to 6 m 3 /h) and large (more than 6 m 3 /h). Continue reading
The Mystery Of Stonehenge
Stonehenge (Engl. Stonehenge, lit. “stone henges”) — a UNESCO world heritage stone megalithic structure (cromlech) on Salisbury plain in Wiltshire (England). Is about 130 km South-West of London.
A gigantic construction of Stonehenge is the stone Enigma in the very center of Europe, called this amazing monument is one of the researchers Dr. Omlor Trever. This ancient building, situated in England, Now archaeologists agreed that this architectural monument built in three stages between 3500 and 1100 BC
Stonehenge is a system of concentric circles with a diameter of more than a hundred meters, delineated the shafts, holes and large stones-megaliths. The stone blocks form the arches, which served as a perfect indicator of the world.
A circular ditch with two rooms, probably served as a cemetery. In a circle along the outer shaft located 56 small funeral “Aubrey holes”, named after John Aubrey, who first described them in the XVII century. To the North-East of the entrance to the ring was huge, seven-Heel stone. Continue reading
The most magnificent Gothic cathedrals in France
Chartres Cathedral
The Cathedral in Chartres (XII-XIV centuries) is considered one of the most beautiful in Europe. Chartres, where the precious relics of our lady, enjoyed the special protection of king Louis IX, who gave the Cathedral a large window-rose. Stained glass Windows donated to the Cathedral, the artisans of the city.
In the construction of the Cathedral was attended by many people: for example, in 40-ies of the XII century Norman thousands of pilgrims came to Chartres and a few months to destroy stone blocks in the walls of the Cathedral reach two to three meters long and one meter in height. The Western facade is the only thing that survived from an earlier building. Its creation dates to 1170. The façade is adorned with three richly decorated with magnificent stone carvings of the portal belonging to the XII century. From the North and South facades of the building you can see is very typical of French Gothic, a huge, round lace box, in which the openings in lead casements inserted stained glass. The diameter of the Windows of the transept is 13 meters. A screen similar to this entered art history under the name “rose”. It first appeared in the Chartres Cathedral, Continue reading
