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One of the main reasons for limiting the height of residential buildings is due to the need for fire safety. Although there are currently fire ladders in our country that can rise up to 100 meters high, such ladders are expensive and are not equipped in most county-level fire brigades. They are still 55 meters tall and have a rescue capacity of only 18 floors.
Therefore, it is clear that a new residential building must not exceed a maximum of 18 floors. If it is really necessary to build a residential building with more than 18 floors, it shall be strictly and fully demonstrated, and the construction of fire emergency response and municipal supporting facilities shall be strengthened.
There are many potential hazards in high-rise residences. Although the entire draft opinion indicates that its main purpose is to promote low-carbon construction,However, curbing the trend of blindly seeking more advanced qualifications in the real estate market has also put the county's real estate market on a healthy development path. Although high-rise residential buildings have higher requirements for building capacity and represent a high level of construction, in fact, high-rise residential buildings have more hidden dangers than low-rise buildings.
In addition to the need to match the fire protection features mentioned in the draft, the elevators required for high-rise buildings are also prone to failure.
Usually, elevator failures cause a lot of trouble for high-rise residents, and the cost of replacing elevators is high。The owner can only share it equally, but usually during the negotiation process, the owner who lives on the upper floor and the owner who lives on the ground floor cannot come to an agreement. In addition, high-rise residential buildings have a short life cycle and a high failure rate.
Most of the current buildings have a lifespan of fifty or eighty years. After a few years, the insulation, electrical wiring, heating, water pipes, gas pipes, etc., will all deteriorate. For old-fashioned low-rise residential buildings, there will be developers who rush to renovate old buildings and shacks, because low-rise renovation of high-rise buildings is more profitable.
But for older high-rise buildings, demolition is expensive, and there is only one way to repair them.
For people, it makes more sense to maximize the residential properties of the real estate market。It is most correct to limit the construction of high-rise residential buildings, build more low-density, high-quality low-rise residential buildings, improve supporting measures such as parks and hospitals, and improve the comfort of the living environment. If high-rise buildings are to be built vigorously now, there will be many high-rise buildings in the county 30 years from now, but they will inevitably be dilapidated and difficult to dismantle and repair.
By that time, the upper echelons will become "ghettos", and no one cares about them. In order to set aside a future for the real estate market, restrictions on high-rise buildings are imminent. On the other hand, high-rise buildings require huge cash flows, but developers are mostly small and medium-sized real estate companies, and the risk of average financing power, unprocessed products is much higher than that of low-level enterprises.
level of buildings. In recent years, there have been many cases of unfinished high-rise buildings, which have caused huge losses to owners. Controlling the construction of high-rise residential buildings is also positive for controlling the risk of unfinished products.
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It can suppress the light pollution of the city, and it can also improve the floor area ratio of the community, so as to make the citizens' lives happier.
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The main reason is for safety, because the technical requirements for too high floors are also higher, and the wind has a great impact on him, so it must be carefully considered and approved before it can be established.
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First of all, it is for safety reasons, because if the building is relatively high, once an accident occurs, such as fire or **, people have no way to escape quickly.
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In fact, it is also due to the restrictions of relevant regulations, as well as their overall construction cost and local environment.
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The construction of super high-rise buildings above 500 meters is strictly restricted, and the height of buildings is controlled mainly for the safety of people's lives. Because the floor is too high, it is easy to collapse.
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As we all know, there was a recent news announcement that no new buildings of more than 500 meters were allowed to be built in various places, and everyone was very curious about this news. Many places are very obsessed with high-rise buildings, and the high-rise fever that is all the rage has finally cooled down.
1. It is very dangerous to build these super-tall buildings of more than 500 meters. In fact, it is very dangerous to build these super-tall buildings of more than 500 meters. First of all, we know that the higher it is, the higher the center of gravity, which means that the building will become more and more unstable.
If there is a fire or something, the firefighters will not be able to reach such a height, so it is completely unnecessary to build a high-rise building, and there is no need to pursue this height.
Second, many places regard the construction of high-rise buildings as a manifestation of urban economic development. There are many places where the construction of high-rise buildings is regarded as a manifestation of the economic development of a city. Like many developed countries, they are very fond of building high-rise buildings, giving people a sense of grandeur.
The safety of high-rise buildings is very tricky in the first place, especially fire safety, the height of these high-rise buildings is the height that the fire ladder can not reach, once there is any accident, there is really no way to rescue.
Third, we don't need to build such a tall building. It is also very unsafe to build a high-rise building, and in the event of a natural disaster, the scope of such a huge high-rise building is very large. We also know that some time ago there was a building in Shenzhen that shook the phenomenon, it really makes people feel very terrible, such a high building has appeared such a scene, if the floor is higher, it is likely that the top floor will sway from side to side, it really makes people feel very terrible.
We can't fully improve the stability of tall buildings, so we don't need to build such tall buildings.
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First of all, it is forbidden to set up shopping malls on the third basement floor of high-rise buildings, secondly, no shops are allowed to be set up in the atriums of high-rise buildings, and then children's activity areas should be set up on the first to third floors.
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It is forbidden to set up shopping malls on the third basement floor or below of high-rise buildings, and it is forbidden to set up public entertainment venues on the second basement floor or below of high-rise buildings. Children's activity venues in high-rise buildings shall be set up on the first to third floors, and independent evacuation stairs and safety exits shall be set up. High-rise residential buildings shall not illegally set up business premises.
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The first stipulation is that new buildings of more than 500 meters are generally not allowed, and the second is to strictly strengthen the approval procedures and approval standards for buildings of more than 100 meters, and to qualify and standardize the construction of urban land!
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The reason is that it has a bad impact on the environment and the economy, and high-rise buildings will interfere and pollute the microclimate.
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The higher the distance the building is built, the more wind loads and the amount of steel used, resulting in an increase in the cost of the overall structure, which to some extent increases the additional expenditure and economic cost in some urban areas.
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The main reason is that there are too many hazards caused by high-rise buildings, and in recent years, there have been many accidents caused by high-rise buildings.
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If we continue to build super-tall buildings of more than 500 meters, I think there will be a great danger, and the higher the buildings now, not only will the image of the city be affected, but more importantly, it will also cause some damage to the ecosystem. Therefore, in order to comprehensively consider and ensure the stable development of China's real estate industry, this policy will be introduced. If the government does not impose strict restrictions in this regard, I believe that future buildings will gradually collapse as they age, and if such a dangerous accident occurs, it will definitely have a big impact.
As human industrial civilization is constantly improving, the country's infrastructure level is also improving. Many cities have built skyscrapers in pursuit of high efficiency and economy, and even in first-tier cities such as Shenzhen, Shanghai, and Beijing, many buildings even exceed 100 meters. Because these buildings not only effectively promote the development of the city's economy, but also can better help people solve a dilemma of land shortage.
As the population increases, the land area in the city is decreasing, which exposes the serious contradiction between people and land, which is why many buildings are getting taller and taller.
If you look at it from a security and long-term perspective, I think this decision by the NDRC is a very correct thing. Because restricting the construction of super-tall buildings above 500 meters is not only responsible for the safety of more people's lives, but more importantly, for the sake of the city's economic development, because once such super-tall buildings are built. Not only does it have to invest a huge amount of money, but the entire project is invested for too long, which may directly affect the revenue of the project.
Therefore, this order will be issued after comprehensive consideration.
Summary: The emergence of super high-rise buildings effectively solves the tension between people and land, and also reflects the level of infrastructure in a country. While ensuring the economic operation of the city, we must also carry out coordinated development, so that there will be no problems.
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The higher the height of the building, the more difficult it is to build, the higher the maintenance and management requirements, and the greater the risk of safety and fire protection, which brings great difficulty to accident rescue.
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This is because super high-rise buildings are not very safe, there are many safety hazards, and it is particularly troublesome if you escape, so such a regulation will be issued.
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This is because the ultra-high buildings above 500 meters are very unsafe, and lightning rods need to be installed on them, which is very dangerous in windy weather, so they are not allowed to be built.
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Skyscrapers are relatively common in many countries, but there is always a fear that skyscrapers will collapse due to their relatively high length. Many countries have also given height restriction orders, once the height of the building exceeds 250 meters, the rectification will be restricted, mainly because of the great disadvantages of ultra-tall buildings. In the construction cost, the higher the floor, the more it costs, and the high floor also needs to be equipped with a special elevator to facilitate the travel of the masses, and if there is a fire on the floor, it is difficult for the masses to escape.
When some developers build super-tall buildings, they need to spend much more construction technology and construction materials than ordinary houses, and they also need to spend a lot more on the management of the building. In addition, if no one comes to live after the completion of the floor building, the higher the vacancy rate, the greater the loss to the developer. Moreover, the higher the floors do not mean that the living environment is better, but will have a certain impact on the urban landscape, such as light pollution and other problems are also very serious.
Secondly, the higher the building cover, the more elevators need to be equipped, and it is also necessary to ensure that the elevator can operate normally at ordinary times, once there is a power outage or elevator failure, it will be difficult for people on the upper floors to travel. Especially during peak hours such as commuting, the congestion of the ** base type will cause serious congestion to high-rise buildings. In addition, although the ultra-high floor meets the number of residents, but also needs to have a large load-bearing capacity, the more floors, the load-bearing capacity will increase accordingly, and the practical area used by the masses is less and less, which is a very unfavorable measure for residents.
Finally, the ultra-high floor means that the more fire safety problems are faced, it is necessary to ensure that the people on the high floor will not have fire problems at all times, and once the fire occurs on a slightly higher floor, it will be difficult for the people on the floor and above to escape. And the super high floor will also use a lot of wires and cables and flammable substances when decorating, and these substances will burn immediately when the fire occurs, which will cause the fire to change and the town will be extremely fast, so the chance of escape is getting smaller and smaller.
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Extra-tall buildings may cause collapse, but also cause the surrounding buildings to collapse, will also affect the surrounding residence, and the wide dry will affect people's panic, but also will lead to some risks in this kind of building, once there is a storm or typhoon day, then it will be cautious of the wheel hole will lead to the collapse of the building after causing innocent people to suffer. Tung stool.
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The maintenance cost of ultra-high buildings is very high, and the resources consumed in winter and summer are particularly large, which will lead to a waste of resources.
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It will increase the cost of construction, and then the cost of repair and maintenance in the later period is very high, and the use is more inconvenient, more dependent on elevators, the use area will also be reduced, and there will be hidden dangers in fire safety, and there will be serious light pollution.
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However, it is a huge expense to ignore the maintenance cost by blindly pursuing "high", whether it is summer cooling or electricity, including daily maintenance, etc., which is quite resource-intensive. In addition, in some places, it is obvious that the income of the economy has not reached a certain standard, and they also want to build a high-rise building, in case the occupancy rate is not high, and the funds cannot be recovered, resulting in making ends meet, and in the end, it can only occupy the resources and cannot be used, which is a pure waste.
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Reporter Pang Wuji) China plans to strictly control the height of buildings, and super high-rise buildings above 500 meters may be banned.
China's Ministry of Housing and Urban-Rural Development solicited public opinions on the "Notice on Strengthening the Planning and Construction Management of Super High-rise Buildings (Draft for Comments)" on the 10th.
The draft proposes to strictly control the height of buildings. All localities should strictly control the construction of new super high-rise buildings. Generally, no new super high-rise residential buildings are allowed.
Specifically, cities with a permanent population of less than 3 million in urban areas are strictly restricted from building new super high-rise buildings of more than 150 meters, and no new super high-rise buildings of more than 250 meters are allowed.
Cities with a permanent population of more than 3 million in urban areas strictly restrict the construction of new super high-rise buildings of more than 250 meters, and no new super high-rise buildings of more than 500 meters are allowed.
The draft proposes that when relevant local departments approve construction projects of residential buildings of more than 80 meters and public buildings of more than 100 meters, they should send them to local fire and rescue agencies for comments to ensure that the local fire and rescue capabilities are matched.
This is not the first time that China has taken a stance on strict control over new supertall buildings. The Ministry of Natural Resources previously issued the "Guidelines for the Preparation of Municipal Land and Space Master Planning (Trial)", which also proposed to strictly control the construction of new super high-rise buildings.
In recent years, the "height" of China's urban buildings has also "grown" upwards with the rapid development of the economy, with more and more super high-rise buildings emerging and the height of the city skyline increasing.
But there are risks involved. The draft for comments points out that some cities are building super high-rise buildings and blindly pursuing height.
First, the form is peculiar, detached from actual demand, raising the cost of input, aggravating energy consumption, and increasing the difficulty of safety management. Industry experts also pointed out that super high-rise buildings not only cause a waste of resources and great safety hazards, but also cause a thousand cities and the same urban style.
In this draft for comments, it is clear that the lifelong decision-making responsibility system for super high-rise buildings will be implemented. New super high-rise buildings of more than 150 meters in cities with a permanent population of less than 3 million in urban areas, and new super high-rise buildings of more than 250 meters in cities with a permanent population of more than 3 million in urban areas, shall be reported to the city party committee for examination and approval as a major public construction project, and the responsibility shall be investigated for life.
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