As an important carrier for people's daily travel and cargo transportation, bridge reinforcement methods have always attracted people's attention. How can it be economical and effective? It has always been an important area of research for reinforcement companies and materials companies. After years of research and practice, Mankate has innovatively developed a new technology for bridge reinforcement and maintenance-black technology prestressed carbon fiber cloth.
So what are the mainstream bridge reinforcement methods in China? What are the advantages and disadvantages?
1. Reinforced with sticky steel. This method has a relatively long history of use. The advantage is that most construction teams will do it. The technical difficulty is low. The disadvantage is that the construction is difficult. In addition, it has poor corrosion resistance and high maintenance costs.
2. Pasting carbon fiber cloth. It has the advantages of good fatigue resistance, low comprehensive cost, simple construction. It does not change the appearance of the building, and is suitable for various shapes. The disadvantage is that the carrying capacity of the building structure is limited.
3. Prestressed carbon fiber board reinforcement. Prestressed carbon fiber board reinforcement is an active reinforcement technology. Using the high-strength and high-elastic material characteristics of carbon fiber board, the carbon fiber board is pre-tensioned to generate an initial pre-stressing force, which is used to balance part of the original beam load. Therefore, the development of cracks and the reduction of crack widths are greatly delayed, the structural stiffness is effectively increased; the deflection of structural members is reduced; the strain of internal steel bars is relieved, and the yield load of steel bars and the ultimate bearing capacity of the structure are improved. The advantage is that as long as the quality of the product is high, the effect will be better, especially the stiffness and bearing capacity of the bridge will be significantly improved. The disadvantage is the high cost.
4. Prestressed carbon fiber cloth. This method is similar to the prestressed carbon fiber board reinforcement. The main materials are prestressed anchors and carbon fiber cloth. The disadvantage is that there are very few manufacturers in China. The advantage is that compared with the prestressed carbon fiber board reinforcement, the effect is significant, but the cost is lower.
For more information on new bridge reinforcement technologies, please contact us, and also welcome those who have the above engineering material needs, please call the Mankate service hotline: 400-894-5118.
Editor: Nanjing Mankate Co., Ltd., if you need to reprint, please indicate the source! www.njmkt.net
