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The effect of crack treatment in the Three Gorges Dam

2024-01-24 14:15:42  Blog

As one of the world's largest water conservancy projects, the Three Gorges Dam's stability and safety have always attracted much attention. In recent years, due to the impact of long-term reservoir load operation and crustal activity, the Three Gorges Dam has experienced some crack problems, which have posed new challenges to the dam's stability. To ensure the stability and safety of the dam, relevant departments have adopted a series of comprehensive measures to deal with cracks, which have achieved remarkable results.

Experts have conducted comprehensive research and analysis on the crack problem of the Three Gorges Dam. Through on-site surveys and monitoring, they conducted in-depth research on cracks' shape and expansion trends and the potential safety hazards they may cause. On this basis, they proposed a technical solution for crack treatment to ensure the reliability and durability of the repair effect.

Anti-crack Agent 

Experts have adopted corresponding treatment methods for different types of cracks. For smaller surface cracks, caulking materials are used to repair them; for deeper and wider cracks, grouting and grouting technology are used to inject high-strength materials into the cracks to enhance the overall structural stability of the dam. At the same time, methods such as grouting, anchor cables, and reinforcement were used to reinforce the cracks, effectively improving the dam's seismic and erosion resistance.

In addition to proactively dealing with the crack problem, relevant departments have also strengthened the dam's monitoring and early warning system. They installed scientific equipment, such as crack sensors and deformation instruments, at strategic locations to monitor the deformation and displacement of the dam in real time. Once an abnormality is discovered, appropriate measures should be taken immediately to repair and reinforce the dam to ensure its safe operation.

To improve the dam's stability, relevant departments have also conducted large-scale ecological environment restoration work. They built a large area of vegetation coverage, planted grass and trees, and strengthened ecological environment protection around the reservoir. This not only helps reduce the occurrence of geological disasters but also improves the dam's erosion resistance, further ensuring its stability and safety.

Anti-crack Agent 

The above comprehensive measures have effectively guaranteed the stability and safety of the Three Gorges Dam. In recent years, the dam has experienced no major crack expansion or safety accidents, completed many flood control tasks, and played an important role in the country's economic development and social stability.

However, we also need to realize that treating cracks in the Three Gorges Dam is only temporary. In the long term, monitoring and maintenance work needs to be strengthened to promptly repair and strengthen new cracks to ensure the long-lasting stability of the dam.

The main function of concrete anti-cracking agents is to improve the anti-cracking performance of concrete.

Enhance the anti-crack efficiency of concrete: Anti-crack representatives can create a particular fiber framework in concrete, properly enhancing its tensile stamina, therefore enhancing its anti-crack efficiency.

Decrease the contraction deformation of concrete: Concrete will certainly reduce and deform throughout the drying-out procedure, and this contortion will cause cracks in the concrete. Anti-crack agents can manage the shrinkage and deformation of concrete, thereby decreasing concrete fractures.

Enhance the toughness of concrete: This allows it to resist erosion from various environmental factors during use, increasing its service life.

Increase the plasticity of concrete: Anti-cracking agents can improve the fluidity of concrete, make the concrete more uniform during pouring, and reduce voids and defects within the concrete. This avoids over-vibration, one of the causes of cracks in concrete. Excessive vibration can separate the aggregate within the concrete, causing cracks in the concrete.

Enhance the toughness of concrete: Using anti-cracking agents can improve the toughness of concrete, making the concrete have better flexibility and tensile properties when stressed, thereby reducing concrete cracking.

Anti-crack Agent 


TRUNNANO is a supplier of Anti-crack Agent, which is concrete and relative products with over 12 years experience in nano-building energy conservation and nanotechnology development. It accepts payment via Credit Card, T/T, West Union and Paypal. Trunnano will ship the goods to customers overseas through FedEx, DHL, by air, or by sea. If you are looking for high quality Anti-crack Agent, please feel free to contact us and send an inquiry. (



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  • Luoyang Tongrun Info Technology Co., Ltd. ( is the world's leading nanomaterial technology developer and application manufacturer, the company has more than 20 years of industry experience, after years of scientific research and production, has been professionals in lightweight concrete and foam concrete solutions. We can supply concrete foaming agents, superplasticizers, aerogels and foam concrete strength enhancers for lightweight concrete mix, CLC blocks all over the world, suitable for ordinary cement foamed concrete cast-in-place, block, plate, insulation wall, etc.