Beijing took the lead in using the “epoxy resin coated steel bar†technology in urban construction to solve the problem of de-icing and salt corrosion of steel bars, which has received attention from the industry.
"Epoxy resin coated steel bar" has been widely used abroad. According to experts, the reinforcement in building concrete is corrosive due to alkaline cement, and the erosion of acid gases such as carbon dioxide in humid air through cement voids may cause hidden dangers over a certain period of time, and even cause buildings to gradually It is a dangerous house and shortens the service life of buildings. Therefore, the United States, Europe, Japan and other countries attach great importance to this, has long been through the legislation to develop standards for the protection of building steel, provisions for the building of steel, in the use of special powder coatings must be sprayed. At present, the protection of reinforced concrete coatings for concrete buildings in China has not yet started. Instead, the protection of steel cables of cable-stayed bridges has gradually shifted from grease protection to functional coating protection. However, the products used are imported. The main reasons for this status are the high cost of imported products, the inability of domestic technology to pass, and the backward concept. At present, China has produced such high-tech products and has broad application prospects.
Beijing is applying the technology of “epoxy resin coated steel bar†in the interchange project of the South West Railway Station South Square. The solution to the problem of de-icing and salt corrosion of steel bars provides an example for the promotion of this technology in China. It is reported that the Ministry of Construction and the State Bureau of Technical Supervision have begun to formulate the standards for the protection of building steel bars and will enforce them in high-rise buildings within 1 to 3 years. According to experts from the China Epoxy Resin Industry Association, they will provide services to promote this technology and contribute to building safety.
"Epoxy resin coated steel bar" has been widely used abroad. According to experts, the reinforcement in building concrete is corrosive due to alkaline cement, and the erosion of acid gases such as carbon dioxide in humid air through cement voids may cause hidden dangers over a certain period of time, and even cause buildings to gradually It is a dangerous house and shortens the service life of buildings. Therefore, the United States, Europe, Japan and other countries attach great importance to this, has long been through the legislation to develop standards for the protection of building steel, provisions for the building of steel, in the use of special powder coatings must be sprayed. At present, the protection of reinforced concrete coatings for concrete buildings in China has not yet started. Instead, the protection of steel cables of cable-stayed bridges has gradually shifted from grease protection to functional coating protection. However, the products used are imported. The main reasons for this status are the high cost of imported products, the inability of domestic technology to pass, and the backward concept. At present, China has produced such high-tech products and has broad application prospects.
Beijing is applying the technology of “epoxy resin coated steel bar†in the interchange project of the South West Railway Station South Square. The solution to the problem of de-icing and salt corrosion of steel bars provides an example for the promotion of this technology in China. It is reported that the Ministry of Construction and the State Bureau of Technical Supervision have begun to formulate the standards for the protection of building steel bars and will enforce them in high-rise buildings within 1 to 3 years. According to experts from the China Epoxy Resin Industry Association, they will provide services to promote this technology and contribute to building safety.
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