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According to reports, in the "Twelfth Five-Year Plan" of the marine industry, the relevant departments of China will further deepen the research and development and expansion of the control technology of marine engineering structural corrosion. The new anti-corrosion technology and new composite materials will become the security guards of the marine engineering structure.
According to the survey data of China Industrial Anti-Corrosion Technology Association, due to the harsh corrosive conditions of the marine environment, the corrosion of hydraulic engineering and port engineering in some areas of China is more serious. For example, 18 coastal wharfs and approach bridges in South China use 7 to 25 years, causing corrosion damage. 89%; domestic 22 concrete sluices with a service life of 7 to 15 years, corrosion damage accounted for 56%; 61 concrete sluices with a service life of 23 years, corrosion damage accounted for 87%.
Zhao Honghan, deputy secretary-general of China Unsaturated Polyester Resin Industry Association, said that FRP material, as a lightweight high-strength and corrosion-resistant material, entered marine anti-corrosion engineering as early as decades ago, such as epoxy vinyl resin-based FRP anti-corrosion lining and tank tube. , grille, splash zone FRP (glass fiber reinforced plastic or fiberglass material) coated with cathodic protection, entangled FRP ribs, etc., has already entered the port code platform, offshore platform and a series of marine anti-corrosion projects. However, according to the requirements of the current national marine engineering construction, the domestic FRP marine anti-corrosion materials have not entered the project as a whole.
Zhao Honghan believes: FRP enterprises near the Pearl River Delta, Yangtze River Delta and Bohai Bay urban agglomerations along the coast of China should actively seize the opportunity of the development of marine anti-corrosion engineering, and strive to inquire about the classic cases and standards of European and American markets, and actively cooperate with relevant research institutes. Strengthen cooperation and promote the in-depth application of domestic anti-corrosion FRP materials and products.
According to the survey data of China Industrial Anti-Corrosion Technology Association, due to the harsh corrosive conditions of the marine environment, the corrosion of hydraulic engineering and port engineering in some areas of China is more serious. For example, 18 coastal wharfs and approach bridges in South China use 7 to 25 years, causing corrosion damage. 89%; domestic 22 concrete sluices with a service life of 7 to 15 years, corrosion damage accounted for 56%; 61 concrete sluices with a service life of 23 years, corrosion damage accounted for 87%.
Zhao Honghan, deputy secretary-general of China Unsaturated Polyester Resin Industry Association, said that FRP material, as a lightweight high-strength and corrosion-resistant material, entered marine anti-corrosion engineering as early as decades ago, such as epoxy vinyl resin-based FRP anti-corrosion lining and tank tube. , grille, splash zone FRP (glass fiber reinforced plastic or fiberglass material) coated with cathodic protection, entangled FRP ribs, etc., has already entered the port code platform, offshore platform and a series of marine anti-corrosion projects. However, according to the requirements of the current national marine engineering construction, the domestic FRP marine anti-corrosion materials have not entered the project as a whole.
Zhao Honghan believes: FRP enterprises near the Pearl River Delta, Yangtze River Delta and Bohai Bay urban agglomerations along the coast of China should actively seize the opportunity of the development of marine anti-corrosion engineering, and strive to inquire about the classic cases and standards of European and American markets, and actively cooperate with relevant research institutes. Strengthen cooperation and promote the in-depth application of domestic anti-corrosion FRP materials and products.
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