When we pass by some bridges, we can see the cracks on the sides or bottom of the bridge. Many people don’t care about it. However, it is not known that the cracks will bring great risks to the bridges. If cracks are left for a long time, rainwater will immerse into cracks and cause corrosion to steel bars. Nanjing Mankate has much experience in bridge reinforcement repair. Today, we will take Mankate bridge reinforcement cases to analyze the main points of the bridge reinforcement.
1. Beijing-Shanghai high-speed Xinyi River Bridge;
The Xinyi River Bridge was first constructed in May 1967 and completed in June 1969, nearly 50 years ago, so the bridges need to be reinforced. The reinforcement program of Xinyi River Bridge is structural reinforcement method. There are some cracks that have affected the main structure of the concrete. Structural reinforcement method is for this kind of cracks. Xinyi River Bridge used the carbon fiber cloth, pasting the cracks on the bridge. Part of the bridge also mixed with the use of pasting steel reinforcement method.
2. Taizhou Yangtze River Bridge;
The total length of Taizhou Yangtze River Bridge project is 62.088 km. The program is to replace the support, and repair the partial cracks of Taizhou Bridge. It used the grouting method. It used the Mankate concrete repair adhesive MKT-LG and pouring sealant MKT-SAF. Grouting repair principle is through the application of pressure to pour the repair grout into the cracks in the bridge, and then to close the cracks in order to restore the integrity of the bridge structure. This method applies to the damage with the appeared wide cracks and deep degree of cracks.
3. Shanghai-Nanjing high-speed;
Shanghai-Nanjing high-speed used the surface treatment. This method is very good for dealing with some tiny cracks. We should smear the epoxy sealant on the surface of cracks to enhance water resistance and durability. The used epoxy glue of Shanghai-Nanjing high-speed crack repair is Mankate leveling glue. Mankate leveling adhesive is particularly suitable for concrete surface flaking, honeycomb, corrosion and other deterioration, as well as external damage caused by concrete.
The cracks of bridge are the hidden danger that can not be overlooked. If you do not pay enough attention, the damage to the internal steel bars is very serious. After reading the above Mankate bridge reinforcement and repair cases and the specific construction details, if you want to know, you can contact us. If you need to purchase, please see the following contact ways~
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Editor: Nanjing Mankate
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