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From the perspective of the entire Chinese people, this is simply more terrifying than the 911 terrorist attack in the United States, which will cause incalculable human and property losses. If it collapses in an instant (e.g., three or four nuclear bombs at the same time), it will be even more terrible, bringing more floods than in '98.
The dam is a concrete gravity dam, with a total length of 3,035 meters, a crest elevation of 185 meters, a normal water storage level of 175 meters, and a total storage capacity of 39.3 billion cubic meters, of which the flood control reservoir capacity is 100 million cubic meters, which can resist a once-in-a-century flood. But if 39.3 billion cubic metres of water were to flood the country, the damage would be comparable to that of the Indian Ocean tsunami.
The losses from the flood in '98 were as follows:
It involves 29 provinces, municipalities, autonomous regions and municipalities directly under the Central Government.
Jiangxi, Hunan, Hubei, Heilongjiang, Inner Mongolia and Jilin were the hardest hit.
22,290,000 hectares of farmland were damaged.
The affected area was 13,780,000 hectares.
4,150 people died.
The direct economic loss was 255.1 billion yuan.
I believe that the upstream area will reduce the area of water by reducing the local climate (although not by much), leaving behind large areas of silt. Cities in the middle reaches of the region basically became cities in the water, and most of the area was flooded, and the entire middle region became an ocean. The downstream areas will also be affected, and although they will be buffered by the midstream, the form will still be as large as the flood peak in '98.
After the flood, there will be blight, there will be a lot of corpses to dispose of, not to mention crops, and there will be famine after the flood.
Don't dare to think about it anymore, it's terrifying.
Mine is okay, but I'm writing your question as if it were a text, so look at it, brother!!
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It has no impact on Chengdu. However, the entire middle and lower reaches of the Yangtze River will basically be whitewashed!
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The impact on the upstream areas is not great, but the problem is quite large below the Three Gorges, where water from all reservoir areas flows downstream at the same time, which will cause flooding disasters, and may also cause a chain reaction and cause harm to downstream hydropower stations.
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If the Three Gorges really falls, it may cause serious flooding in the upstream areas, but it should have little impact on Chengdu, which is far away from the Yangtze River.
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The lower reaches were flooded, as was the case with the 98 floods, especially in several large cities along the river.
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When the "Three Gorges" falls, it becomes the "Three Gorges Three", and it is just a matter of changing its name, and it is fine.
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Mo Chaogang, I live in Changde, it depends on when it falls, it's generally fine.
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The middle and lower reaches of the Yangtze River will be finished, and that's it, but the chance of falling is very small.
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If there is an accident in the Three Gorges, it can be said that our country and people will not be able to afford a disaster in terms of military, people's livelihood, and economy.
The Three Gorges Dam is in Hubei, and most of the terrain in Hubei is plain with poor drainage; Then there is the Yangtze River Delta region, where long-term sediment accumulation and elevated riverbeds are not conducive to drainage. According to the simulated levee failure test, even if the Three Gorges Dam collapses instantly, there will never be a situation in which the vast middle and lower reaches of the Yangtze River Plain from Yichang to Shanghai will be completely submerged, and the only ones that are most threatened are Yichang City and the Jianghan Plain.
The site of the Three Gorges Project Dam was selected in Sandouping, Yichang City, about 40 kilometers upstream of the completed Gezhouba Water Conservancy Hub. The Yangtze River water transport can directly reach the dam area. After the start of the project, a quasi-first-class dedicated road with a length of about 28 kilometers from Yichang to the construction site and a cross-river bridge Xiling Yangtze River Bridge 4 kilometers downstream of the dam were built.
A number of wharves in the dam area have also been built. The dam area already has good traffic conditions.
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Before returning to the dam, such a dam is very strong, unless a high-yield hydrogen bomb constantly hits a point, it is difficult to collapse suddenly, and the water in the reservoir can be released slowly.
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If it collapses, it will be the greatest loss of humanity except for the world war, whether it is life or property, it will be super huge.
At that time, many large and medium-sized cities on both sides of the middle and lower reaches of the Yangtze River in China will be submerged in huge flood waves, which are n times more powerful than the Indonesian tsunami.
However, this probability is really not large, after all, these dangers have been fully considered, so we can rest assured of the quality of the Three Gorges Dam.
However, as said: human beings will always be so small in front of nature, once some disasters can not even resist the Three Gorges Dam, it is really time for the sky to die in China.
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The dam site of Gezhou Dam is selected on a very good granite foundation, this place belongs to the oldest geological age, Huangling anticline, the geological structure is a large anticline, the west wing is in Chongqing, the east wing is in Hubei, the core part is a complete granite, the fault closest to it, this is outside the granite, in the Jiuwan River. Entering the fault, the results of long-term observation of this place showed that the maximum magnitude did not exceed four magnitudes.
In the event that a nuclear bomb hits the dam directly and the levee bursts, and the bomb with a yield of 3 million tons is blown down, the dam can be blown up to a gap as wide as 100 meters, and the water from this gap can reach Yichang in half an hour, Zhicheng in two hours, and Shashi in four hours. When we arrived in Shashi, when we arrived at the Dongting Lake, when we arrived at the Jingjiang River, there was a flood dam, and when we arrived here, it was equivalent to a flood that was slightly smaller than that of 1954, and it was not as impactful as the 1954 flood. Therefore, the Three Gorges Dam is not without hidden dangers, but being bombed is definitely not the biggest hidden danger, the biggest hidden danger is the landslide and debris flow hazards hundreds of kilometers above the dam.
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It is impossible for the state to invest so much money here without strict supervision, the possibility is almost zero, and it is not excluded that his service life has expired.
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Under certain conditions, the Three Gorges Dam will definitely fall. The Three Gorges Dam can withstand a certain strength, but it has been considered in the design. The human factor is protected by someone. The safety factor is that construction is the first element to consider. If the safety score is 10, you can score 9.
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It's going to fall, it's just a matter of time.
However, I firmly believe that it will not fall in our lifetime as long as it is not artificially destroyed, so I give it a score of 10.
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In the current situation, it should not collapse, because the designers have fully considered all kinds of complex natural disasters and other ...... of address changes when designingThe design strength has met the requirements. However, each project has a certain service life, and if it is exceeded, it will be necessary to reconsider the matter of reconstruction. After all, it is a project that attracts the attention of the whole world, and there should be no problems in terms of quality.
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Score 9, this kind of thing, no one dares to guarantee the ticket, but the dam has a high safety factor, and it should be able to withstand the 8-level **.
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If it is not a man-made disaster, I score, do not underestimate the design level of our designers, as well as the unique thinking of Chinese people to seek perfection and stability. What you think, the designer thinks, what you don't think, the designer will think of, don't worry.
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It won't fall yet, and it will do so one day when it's no longer in use!
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9 points; First of all, in the design of large-scale engineering buildings, it has been fully considered that the influence of stratum changes and the deformation limitation of external forces should be assured; Secondly, the drawings of national water conservancy projects will be calculated by many parties, which can be assured in terms of technology and error avoidance;
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10 points, I believe that it will not fall until this generation of humanity is destroyed. Maybe it will be called a pyramid-like wonder for the ages.
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It is believed that it will fall in 2023, and the great physics of the earth are all foremen, and Yellowstone will also erupt at that time.
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Then the downstream areas of the dam will have to suffer, and the consequences will be quite terrible, but the collapse of the dam is basically impossible, and the Three Gorges Dam may require 50 million tons of nuclear bombs to destroy.
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It won't collapse, it's something that's been set in mind when it was designed. Even if it is destroyed by the enemy with nuclear bombs or other armed forces, the natural conditions of the Three Gorges themselves will not cause any disasters downstream. Because the Yangtze River in the Three Gorges area is quite narrow, this sudden destruction will increase the flow speed to a relatively large number, resulting in the obstruction of shipping in the middle and lower reaches, but it will not be like the phenomenon of large flooding when Chiang Kai-shek blew up the mouth of the Yellow River.
Because there are three huge sharp turns below the Three Gorges, so that 39.3 billion cubic meters of water cannot be immediately catharticized, and the middle reaches are vast plains, and the natural flow of water to the open land slows down, and there is no possibility of disaster. Moreover, the Three Gorges itself was originally a section of the Yangtze River, and the water level was not low, but now it has only been raised by 100 meters, so there is no need to worry. If you are interested, you can refer to some of the answers from various parties by Lu Youlin, the chief designer of the Three Gorges Project, which are professional answers.
If you can see it with your own eyes, you won't have this kind of doubt.
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