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утро на 5

российские предприятия

россия

производство

российские производители

пятый канал петербург

сделано в россии

made in russia

российское оборудование

Soviet Union (Country)

гранит

гранит камень

как добывают гранит

декоративные камни

добыча гранита

00:00:03

attention

00:00:08

we are exploding we are exploding granite, just don’t

00:00:10

think that we are still mining

00:00:12

stone fossils as if we were

00:00:14

stuck in the Stone Age, it’s not at all

00:00:17

the case that an alloy of feldspar, mica, quartz and

00:00:20

other minerals were formed millions of years

00:00:22

ago as a result of volcanic explosions

00:00:24

in Ancient Egypt, granite has already been made

00:00:30

It is no coincidence that St. Petersburg is dressed in granite in

00:00:32

Russia, today more than 50 deposits are known,

00:00:34

rare shades are especially

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decorative, granites from the north-west are they

00:00:38

mined effectively, we learned in the

00:00:40

quarry Revival Russian-Finnish

00:00:41

border development since

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1951, this is how to drill a special hole in granite tiles

00:00:51

today in a few seconds, this

00:00:52

process is called cutting the Monolith on the

00:00:56

panel, low

00:00:58

brisance is used, it’s called Flax, the charge

00:01:02

is distributed along the entire length of the hole so that the

00:01:04

impact on Vasiv is minimal.

00:01:06

Previously, gunpowder was placed in such holes using

00:01:08

slow explosion technology

00:01:10

using such pasta and

00:01:12

saltpeter that give less detonation and fewer

00:01:14

cracks. The task of the miners is to separate as

00:01:17

complete

00:01:19

a fragment as possible; in this case, the massif

00:01:21

was dispersed along natural cracks, therefore,

00:01:24

Well, we can admit that the blasting work

00:01:26

went well on the cracks. The main

00:01:28

problem of granites, out of thousands of

00:01:30

pieces, only two can be suitable for a

00:01:32

beautiful tabletop. Therefore, the

00:01:33

creative approach of each is popular in a modern quarry

00:01:35

cutting technology zone

00:01:38

here is being combined by the evening this block

00:01:41

on which we are now standing will be

00:01:44

sawed off using more gentle

00:01:47

methods on the array this is diamond rope

00:01:49

sawing on a steel cable there is a

00:01:51

technical Diamond the speed of the

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rope is from 30 to 40 m per second Wow that is

00:01:57

So you have it turns out just

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such an even cut, as if they were simply

00:02:02

cutting the boundaries with a knife, it’s the same

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Modern technologies as in Italy,

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here the Italians are considered the

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trendsetters, but sawing has been

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used in Russia

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for a long time, everything that is extracted from the subsoil must

00:02:16

be processed, this is the rule here,

00:02:18

so bad blocks are immediately crushed into

00:02:20

paving stones and Good for commercial parts, the

00:02:22

most expensive thing you can sell today are

00:02:25

rectangular good pieces of granite for

00:02:27

this with the help of such mechanical

00:02:29

fingers with a hydraulic pressure of 170

00:02:32

atmospheres, this piece is literally like

00:02:34

breaking a cookie into

00:02:36

4

00:02:40

halves. When you apply this

00:02:42

handle to the stone from the emitter, an

00:02:45

ultrasonic wave

00:02:47

passes through an arc like this the stone returns to the

00:02:49

receiver and the Russian device

00:02:52

shows if there are cracks inside this block,

00:02:54

in this case the crack is deep

00:02:57

after we have determined the presence of a

00:03:00

defect in the mined block, then we

00:03:02

lower the

00:03:05

quality class in factories; selected stones are either

00:03:08

turned into glossy elements of street

00:03:10

decor or into artistic flowerpots

00:03:12

here All the machines are high-speed, you can

00:03:14

cut out a ball in a few hours. Yes, the

00:03:16

machines are imported, but we use them well

00:03:19

[music]

Description:

Гранит – один из самых плотных, твёрдых, прочных и жизнестойких камней. В России сегодня известно более 50 месторождений. Особенно декоративны граниты Северо-Запада. Эффективно ли их добывают? Анна Рудикова побывала в карьере Возрождение, разрабатываемом с 1951года.

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