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Video tags
Subtitles
Russian
00:00:01
in the Chernobyl zone is the00:00:02
medical and sanitary unit number 126 of an00:00:05
abandoned hospital that always produces a00:00:07
creepy impression; a much more creepy00:00:09
impression is produced by the basement of the hospital, and00:00:11
it was there that the suits of the firefighters00:00:13
who were the first to arrive to extinguish00:00:15
the fire were transferred and took the heaviest00:00:17
radiation blow, but that’s still flowers in the00:00:20
area of the Chernobyl nuclear power plant there is a place00:00:21
that you cannot visit even with a spacesuit00:00:23
in 30 seconds, you can get a00:00:26
dose after which a week later you will00:00:27
feel dizzy and tired00:00:30
two minutes of exposure and you will start00:00:32
bleeding after four minutes vomiting and00:00:34
fever and after three hundred00:00:36
seconds you will live two days left you are00:00:39
guaranteed a fairly quick death,00:00:40
which in this case is better than many other00:00:42
options, the exclusion zone of the Chernobyl nuclear00:00:45
power plant is fraught with many mysteries,00:00:46
most of which are hidden from00:00:48
prying eyes in the ruins of the premises of the00:00:50
station itself, one of these mysteries00:00:52
that researchers and liquidators have been trying to solve for a long time00:00:56
explosion there was a certain substance00:00:58
called an elephant's foot,00:00:59
but what is happening from this substance00:01:02
now has simply shocked some scientists00:01:03
even 35 years after the00:01:06
Chernobyl disaster, the remains of the nuclear00:01:08
power plant continue to emit00:01:10
work carried out near the emergency00:01:12
unit apparently have a negative00:01:14
impact because in recent years there has been a00:01:16
significant increase in the00:01:18
number of signals from the reactor was recorded, especially in 400:01:21
narga blocks,00:01:23
the number of nuclear fission reactions has probably increased again, these00:01:26
data really give the impression00:01:28
that over the past four years the number of00:01:29
neutrons in the said area has00:01:31
almost doubled the Chernobyl nuclear power plant is surrounded by a00:01:34
massive structure called the00:01:36
new safe can farming in this arch00:01:38
Hundreds of sensors have been installed, operating00:01:40
around the clock;00:01:41
they fully monitor a number of important00:01:43
data; these sensors have transmitted information00:01:45
about increased neutron activity00:01:47
emanating from under the emergency reactor; the00:01:49
reason for the increase in the fission reaction is not entirely00:01:51
clear; however, experts suggest that00:01:54
this is due to the drying out of several00:01:55
fine rhiums located there00:02:02
during a routine check 26 On April00:02:07
1986, at the fourth reactor of the Chernobyl nuclear00:02:09
power plant, a power surge occurred and the00:02:12
reactor protection and shutdown system was activated,00:02:13
but the reactor was not shut down. An attempt00:02:15
to contain the surge and a dangerous increase in00:02:17
temperature in the core led to an00:02:19
even greater increase in power. The00:02:21
manual control rods00:02:22
used to control the temperature of the00:02:24
core00:02:25
were introduced too much. late, when they were led into the00:02:28
core, they began to crack and got00:02:30
stuck in temperature, the power00:02:31
continued to increase until00:02:33
all the water used to00:02:35
cool the reactor had evaporated, which caused a powerful00:02:38
increase in pressure, the00:02:39
first steam explosion in the reactor led to00:02:41
its lid weighing two thousand00:02:43
dong being pierced the damage to the roof of the power unit00:02:45
turned out to be catastrophic; the00:02:47
remaining cooling water from the00:02:49
destroyed channels rushed into the00:02:51
reactor and came into contact with the left-handed Messi00:02:53
fuel rods; it immediately turned00:02:55
into steam shortly after the first explosion;00:02:57
another more powerful explosion occurred,00:03:00
which threw out the core material into the00:03:01
air since the red-hot heart of00:03:04
the reactor was no longer protected tons of steel and00:03:06
concrete, the active zone was no longer00:03:08
cooling, it began to melt;00:03:10
radiation in 1908, the sixth year, reached00:03:13
thousands of roentgens, which was fatal to00:03:15
humans, but despite this, the liquidators00:03:17
managed to close the destroyed reactor, the mass of00:03:19
radioactive fuel remaining in the00:03:21
block was approximately 85 percent by00:03:24
the song of 1908, the sixth year, the team of00:03:26
liquidators who fought the nuclear00:03:28
disasters in Chernobyl got to the00:03:30
underground corridor at the base of the00:03:31
emergency reactor number four under00:03:34
the reactor they found a black substance00:03:35
that flowed straight from the core,00:03:38
this formation there was solid and the00:03:40
radiation sensors strictly warned the00:03:42
liquidators that they00:03:43
should not approach it they pushed out of the corner camera00:03:46
on a tripod and filmed this mass from afar,00:03:48
giving it the gloomy name of an elephant's foot,00:03:51
according to measurements made at that time, the00:03:53
still hot part of the molten rod00:03:55
emitted such an amount of radiation with a00:03:58
lethal dose that could be obtained in00:04:00
a few minutes when we say00:04:01
core melting00:04:03
is not just some kind of... then the metaphor is that the00:04:06
radioactive materials used as fuel become increasingly00:04:08
heated due to the release of particles with high00:04:10
energy00:04:11
and this happens until it00:04:12
literally melts into00:04:14
something resembling lava00:04:16
at Chernobyl, the loss of cooling water00:04:18
caused the melting of the fuel, some of00:04:20
which was released into the atmosphere00:04:22
but the other part fuel glass under00:04:24
the reactor into the pool sermon its00:04:26
foundation the flow of radioactive chapter00:04:28
text through the pipes and the burning concrete00:04:30
gradually cooled and solidified as00:04:32
a result, clusters of00:04:34
stalactites and stalagmites were formed covered with00:04:36
hardened lava00:04:37
as well as a large black mass which was00:04:39
later called the elephant's foot,00:04:42
this root was also called Chernobyl there but not to be00:04:44
confused with a monolith, the uranium rods of the00:04:46
reactor consist of a zirconium casing00:04:48
and nuclear fuel uranium dioxide inside. In00:04:51
case of accidents at nuclear power plants, when the temperature00:04:53
exceeds the maximum permissible limit of00:04:55
up to 700 degrees, the rod begins to00:04:57
deform when the temperature00:04:59
reaches 1200 degrees. The uranium00:05:02
rods melt, turning into a substance00:05:04
consisting of uranium and zirconium, such an00:05:07
artificial lava differs in composition00:05:09
from natural volcanic lava,00:05:11
specialists from the Sargon Sky National00:05:13
Laboratory recreated the coryum for a more00:05:15
detailed study of it on the Internet,00:05:17
you can find interesting videos00:05:18
posted on the network of this particular00:05:20
laboratory, in these videos you can see00:05:22
that the coryum has an even lower00:05:24
viscosity, which it is not surprising because00:05:26
the temperature of this radioactive slurry is00:05:28
over 2000 degrees, while ordinary00:05:31
volcanic lava is heated at00:05:33
best to 1200 degrees.00:05:34
The laboratory used more than a ton of00:05:37
uranium dioxide lava in some of its00:05:39
experiments to find out how quickly the00:05:40
crust would break through such an obstacle00:05:42
as the concrete floor and walls of a nuclear reactor.00:05:44
The reactor turned out to be very fast, the sea00:05:47
melts its way through the concrete at a00:05:49
speed of about 30 centimeters per hour,00:05:51
in addition, experimentally,00:05:53
the researchers were convinced that cooling with00:05:55
water may not be enough; the podium,00:05:58
destroying everything in its path, will break00:06:00
out in a matter of hours, despite00:06:02
active extinguishing, and Chernobyl and Fukushima00:06:04
encountered With this phenomenon, both00:06:06
disasters at nuclear power plants00:06:08
reached the stage of formation of kuri-uma,00:06:11
while the Japanese claim that the lava did not00:06:12
go beyond the building, but by the way, this00:06:15
fact has not yet been proven, but at the Soviet00:06:17
liter station, control over00:06:19
the situation was undoubtedly lost, the floor00:06:20
is asleep, we already know exactly what it is happened in00:06:23
Chernobyl and there are photographs that00:06:25
show three-meter-long streaks of frozen00:06:27
cores, partly the melting point of00:06:29
concrete is higher than the melting point of00:06:31
uranium rods, as a result, the process00:06:33
of melting concrete and mixing its glory00:06:35
cools the core, that is, information that the00:06:38
floor under the active zone is specially built from00:06:40
concrete in case of00:06:42
possible leakage of the melt, ordinary00:06:44
concrete itself would have melted long ago00:06:46
under the influence of an elephant’s foot,00:06:48
but this concrete resists the more strongly00:06:50
the more it heats it because00:06:53
under the influence of temperature the neutron00:06:55
absorption coefficient of this concrete increases,00:06:57
why then is measles so dangerous?00:07:02
lava is not able to move further than three meters beyond the reactor; we00:07:04
should not forget about the composition of this00:07:06
substance, even when the corium completely00:07:08
hardens, it will be very, very00:07:09
radioactive for many centuries,00:07:12
measurements of radioactivity and gases00:07:14
released from the cooled00:07:15
Fukushima reactor showed that a couple of minds during a00:07:17
disaster will advance more than00:07:19
half a meter through the enclosing reinforced00:07:22
concrete walls,00:07:23
the main danger of the Chernobyl00:07:25
measles is that00:07:27
they plan to dismantle the emergency fourth unit in the00:07:28
near future, and in one of the future00:07:30
videos I will talk about what preparations are00:07:32
already being made there at the moment; they00:07:34
will dismantle the emergency reactor with00:07:36
everyone reactor rooms,00:07:38
respectively, the plan also includes00:07:39
corridors where the radioactive substance itself is located00:07:41
and it00:07:43
is impossible to remove the melt, since the reaction can00:07:45
instantly resume and the melt can00:07:47
begin to set fire to everything it touches,00:07:48
and it is not possible to drag other absorbers to it00:07:51
due to the complex arrangement,00:07:54
everything will come down to this that in certain00:07:56
areas the leg will have to be dragged through without00:07:58
any protection, which entails a catastrophe00:08:00
on several levels at once because00:08:02
in any case there will be people nearby;00:08:04
radioactive atoms themselves are00:08:06
unstable with elements such as00:08:08
hydrogen, there are no special problems since00:08:10
its nucleus consists of one00:08:11
single proton and But with uranium,00:08:14
which has 92 protons and 14600:08:16
neutrons,00:08:17
we were less fortunate; the more radiation a00:08:19
mass of atoms emits, the more dangerous it is,00:08:22
according to information from Chernobyl, the00:08:23
elephant’s foot disabled literally00:08:26
any dosimetric devices, having a00:08:27
radiation power of about 1000:08:29
city roentgens per hour to kill a person00:08:31
enough a dose 10 times less in an hour00:08:34
you will receive a dose00:08:36
that corresponds to 4 and a half00:08:38
million x-rays of the00:08:40
chest in an hour, the stages of the formation of00:08:43
measles of the mind are a very rare phenomenon,00:08:45
it occurs only under the condition of a chain00:08:47
reaction of an excessive amount of00:08:48
highly active isotopes, but why did this00:08:50
happen in Chernobyl, the00:08:52
melting point of silicon dioxide is over 170000:08:55
degrees Celsius, and at approximately the same00:08:57
temperature the zirconium from00:08:59
which the shell is made is melted, and the00:09:01
fuel itself melted in them at a temperature that has00:09:03
long since melted; it turns out that after00:09:05
leaving the reactor core, the melt00:09:07
crawled down, but due to a decrease in heating,00:09:10
the dioxide silicon crystallized quite quickly,00:09:11
enclosing nuclear00:09:14
fuel which, having a lower00:09:16
melting point, could calmly00:09:18
continue to flow further after they00:09:20
managed to extinguish the nuclear fire,00:09:22
the liquidators tried to delay the00:09:23
invisible threat posed by the emergency00:09:25
core in May 1508, the sixth year, the00:09:28
construction of a00:09:30
giant concrete shelter sarcophagus began00:09:32
in order to00:09:33
isolate radiation from the outside world, but00:09:36
it is not completely isolated,00:09:38
the Chernobyl sarcophagus has00:09:40
access points that allow researchers to00:09:42
observe the core and workers00:09:44
to enter there, and only in December 1986,00:09:47
researchers descended to the underworld00:09:49
to study the elephant's leg across it00:09:51
reaches several meters and, as we already00:09:53
understood it emits so much radiation that it is00:09:57
simply impossible to be near it for more than a few seconds, but despite this00:09:59
we have the closest possible00:10:01
photographs of this deadly mass, but00:10:03
from where, at a safe distance, the worker00:10:06
liquidators built some kind of00:10:08
device like a camera on wheels and00:10:10
moved it at a minimum distance to the00:10:12
elephant’s legs as a result of the analysis,00:10:14
it was possible to find out that it consists not00:10:16
only of nuclear fuel, in00:10:18
fact there is a very small percentage of fuel there; the00:10:20
rest of the mass is concrete, sand00:10:22
and pieces of the lid,00:10:24
all this melted and a single mass of00:10:26
glass down over time they began to notice00:10:28
that the elephant’s leg began to collapse and00:10:30
began to fly off dust and00:10:32
cracks have appeared on the surface over the00:10:35
years, it remains too dangerous to00:10:37
approach it, we do not know what00:10:39
happened to those who photographed it,00:10:41
but we know that not all attempts00:10:43
to study this mass were as safe00:10:45
as placing a camera around the corner in00:10:47
some of the photographs we we see how the worker00:10:49
directly touches this mass; the00:10:51
next attempt to touch the00:10:53
unknown was made by one of the00:10:55
military;00:10:56
none of the scientists had time to come00:10:58
to their senses; one of the liquidators00:10:59
ran to the elephant’s legs and began to hit00:11:02
it with an ax;00:11:06
I'm worried about the fate of this soldier, because if a00:11:08
leg is now about 14,000 and a00:11:10
roentgen per hour, then in one second it00:11:12
will be about four roentgens.00:11:14
How long does it take to run up to00:11:16
this mass and hit it with an ax?00:11:18
Only those who have been there know this, but in any00:11:21
case, for 12 seconds, almost 50 roentgens,00:11:23
if so, then most likely a corpse, if00:11:26
less disabled, and the case is an indicator and00:11:28
speaks about the level of awareness of00:11:30
liquidators about the dangers of radiation for00:11:33
reference, for a lifetime, a nuclear scientist can00:11:35
dial 35 roentgens in special cases,00:11:37
they allowed 70 of these doses with a margin if a00:11:40
person dials 50 lintgen per within00:11:42
a month or less, he was not a tenant, and then00:11:44
the guy grabbed in a couple of seconds from 5 to 5000:11:47
x-rays. The person’s curiosity00:11:49
forced some specialists to00:11:51
return to it again and again, it00:11:53
was necessary to take samples, it was necessary to obtain00:11:55
as much information as possible about this mass,00:11:57
although there was concrete in Chernobyl itself in the sarcophagus00:11:59
so much that it would be enough for a third of the00:12:01
Empire State Building,00:12:03
although now a double shelter is required00:12:06
to prevent the spread of00:12:07
radioactive substances by air;00:12:09
it may not provide complete safety;00:12:11
some experts believe that the00:12:13
elephant’s foot in the future may become a00:12:15
prerequisite for a new catastrophe;00:12:16
it is assumed that it continues to00:12:18
melt concrete the base underneath itself and will00:12:20
eventually pass through the concrete, the soil00:12:23
from there will be able to reach one of the layers,00:12:25
this in turn will lead to the poisoning of00:12:27
underground water sources and even an00:12:29
explosion, all this is reminiscent of the so-called00:12:31
Chinese syndrome, as in the 70s it was00:12:34
customary to mockingly call fears00:12:36
scientists who warned that the00:12:37
melting of reactor cores00:12:39
could go beyond the reactor containment shell,00:12:41
then China, of course, didn’t00:12:43
get anything, but00:12:46
this root still got beyond the reactor shell and then it00:12:48
was no longer a laughing matter, but now this00:12:50
Chinese syndrome will00:12:51
no longer pass the temperatures of an aquarium, even00:12:53
though remains high but not as high as during00:12:55
the accident and00:12:57
such a material is no longer able to melt reinforced concrete, but the fact00:12:59
that something happens from this substance00:13:01
is a fact and probably the most important00:13:03
danger is the dismantling of block 4 and the00:13:06
weakened structures of the entire building in the00:13:09
construction of the Chernobyl nuclear power plant has already passed00:13:10
more than forty years of which, over the course of00:13:12
thirty-two years of careful00:13:14
inspection and repair of the00:13:16
station structure, no premium was made at all, and the00:13:18
consequences of the tragedy could lead to00:13:20
cracking of the concrete foundation,00:13:22
experts believe that the sarcophagus and00:13:24
shelters 2 put additional00:13:26
pressure on the ground around the fourth00:13:27
power unit and the foundation could simply00:13:29
collapse in As a result, the elephant’s foot and00:13:32
other formations from Chernobyl will then00:13:34
fall into the soil, poisoning00:13:36
primarily underground water00:13:37
sources. Of course, there are people who are00:13:40
skeptical about this version,00:13:41
believing that the concrete foundation and the00:13:43
surviving iron structures of the00:13:44
fourth power unit are still reliable00:13:47
and will not allow measles to seep into the soil00:13:49
few people knew about this, but back in the 90s,00:13:51
researchers released a report after the00:13:53
emergency condition of Unit 4 of the00:13:55
Chernobyl nuclear power plant,00:13:56
which said that in the case of measles, it00:13:58
is necessary to saturate the net with absorbing00:14:00
solutions and close them, it was assumed00:14:03
that this would prevent the00:14:05
transformation of the elephant's legs and other00:14:07
deposits into dust the main source00:14:09
of radiation in Chernobyl, in general, later00:14:11
Ukrainian researchers announced that00:14:13
treatment with solutions would not give anything, they00:14:15
then considered that these measures would still00:14:17
not prevent the formation of00:14:18
radioactive dust, new shelter 200:14:21
was considered as the most reliable method of00:14:23
protection against the spread of radioactive00:14:25
parts from block 4, but the future fate of00:14:27
lava of fuel-shaped materials containing00:14:29
materials in the Chernobyl nuclear power plant,00:14:31
scientists want to find a calculation on the00:14:33
analytical method.00:14:34
One of the most radioactive and dangerous00:14:36
places in the Chernobyl zone today00:14:37
is considered a nuclear power plant and in particular00:14:40
4 blocks were destroyed with of course the remainder of 400:14:43
blocks also emits very strongly and when00:14:45
dismantling 4 blocks it will turn out to be large00:14:48
problem, but the elephant's foot from the00:14:50
Chernobyl nuclear power plant still remains00:14:52
the most dangerous material on the planet,00:14:55
so everyone subscribe to the channel and00:14:56
write your comments on this video00:15:05
[music]00:15:16
[music]Description:
Кориум под 4 блоком плавит бетон Кадры из этого видео: Не забывайте про: =========================================================== 1. Наш Сайт: https://site-znayuvse.ru/ =========================================================== 2. Сообщество канала в ВК: https://vk.com/znayu_vse_youtube =========================================================== 3. Помощь каналу: https://www.donationalerts.com/r/znayu_vse =========================================================== Эти видео также интересны: Авто с ядерным двигателем - https://www.youtube.com/watch?v=E6jm8GGDga0 Чернобыль. Архивные кадры 1986 - https://www.youtube.com/watch?v=oICbjaUZSPU До встречи в новых выпусках!
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