Why does the country ban brick and concrete, and how harmful is brick to human beings? -wellcamp light steel villa manufacturers

The influence of the bricks of the simple life light steel villa manufacturer in the construction circle in the past is not an exaggeration to be called a legend of the generation. It was indispensable in everyone's lifestyle in the past and was quite extensive. So why are government departments now banning the use of it in large numbers? Bricks are highly hazardous and wear-resistant. The raw material of red bricks is cohesive soil, which must be dug underground or in the mountains. This manufacturing situation will lead to the subsidence of millions of acres and good acres, and soil resources will be consumed in large quantities. . According to data analysis, building houses due to urban and rural economy and burning solid clay bricks will damage more than 700,000 acres of good acres in one year, and more than 5 million acres of arable land in“hemorrhage”. Some people hold the work attitude of sweeping the snow in front of the door, and think that building this kind of house will not have many adverse effects on the situation, and still use it quietly, but many people may not know that Rome is not built in one day. What can be built is equally harmful to the earth. Every time this kind of blessing is added together, after all, all human beings will suffer for themselves. Our situation is not invisible now. For example, Beijing, the development center of our country, has long been densely covered with smog in the sky of Chang'an City, which endangers the physical and mental health of many people almost every year. It is not unreasonable. It is not an exaggeration to talk about it. If you continue to build houses with red bricks, after many years, everyone’s younger generation will no longer see flowers and birds, virgin forests covered by plant communities, and feel the fresh air that is not so refreshing. What's wrong is that the good acres and arable land that have been destroyed by ecology are completely barren and desolate. Atmospheric pollution We all know that the burning of red bricks must burn coal, which will seriously lead to the consumption of coal resources and air pollution, and many brick and tile kilns in various regions of the country are all small-scale and scattered. Most of the workshops do not have environmental protection equipment. These brick kilns discharge a large amount of organic waste gas into the atmosphere. Under such conditions, the content of PM2.5 in the fresh air is quite high, so the surrounding areas will be affected. The content of harmful gases in the surrounding fresh air is very high, which is not only harmful to the development of crop cultivation. , can not feel in the human body will also cause a variety of respiratory diseases. Respiratory disease is a common and frequently-occurring disease. The key related problems are in the trachea, respiratory tract, lungs and chest. The related problems range from dry cough, chest pain, and feeling unaffected. died of respiratory failure. It has the third highest fatality rate in big cities and one in rural areas. Why? We all know that most of the brick factories are built in the countryside, and the pollution to the air environment and the damage to the arable land are huge. It's surprising that the bricks that everyone doesn't take offense to steal the precious lives of many people in such a quiet and silent way. The load capacity is poor. The red brick brick is hollow in the middle. Needless to say, it is cold in winter and hot in summer, and the side impact resistance is very poor. Generally speaking, high-rise buildings have already replaced red bricks with concrete structures. There is no building seismic grade for brick-concrete, and only the seismic fortification grade requirements must be fully met. In short, there is only a corresponding level of crack resistance, but it is not a seismic level. For different structures, there are different requirements for seismic grades. The earthquake resistance level of buildings that everyone is talking about is only available in high-rise residential buildings and high-rise buildings with reinforced concrete structures, but not in brick and concrete. This is why, every time a slightly larger earthquake disaster occurs, it represents a disaster for all mankind. Authoritative experts in 'Approaching Science' once said that most of the damages caused by earthquake disasters and strong typhoons are mainly caused by the destruction of buildings. The most severe earthquake disasters in our country's history, the Tangshan earthquake and the 512 earthquake, all caused serious casualties due to the collapse of buildings. The intricate process may not be apparent from the surface alone, and the brick manufacturing process is actually very intricate. Mining soil. The soil layer used for firing bricks, also known as light clay, has been exposed to the sun and rain for nearly half a year, and its internal structure has been decomposed and loosened by natural erosion. , only the delicate pure soil is left; the pure soil is nourished with water, and it is continuously refined like kneading dough. It takes about 5 to 6 times to turn the mud and refine the resources; and the refined soil is shaped according to the mold for making the billet. When shaping, the soil should be compacted, and the place where the brick blanks are placed should be laid with a layer of fine sand to avoid sticking; the brick blanks should be windy Dry in the shade until the brick blanks are fully dried (about one to two months), and then the kiln manufacturing can be completed, which is also a more crucial part. Generally speaking, the brick quality uses coal as fuel, The filter brick with a higher density is gradually burned slowly with hay, pine branches, etc. as fuel; after dozens of days of manufacture, the green body is sintered. If the fire is gradually stopped at this time, the external gas enters the kiln, and the common red bricks come out.

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