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Engineering grouting reinforcement construction method is a commonly used civil engineering construction technology, which is used to repair and strengthen the strength and stability of soil, concrete structure, rock, etc. Grouting reinforcement can form a solid expansion and shrinkage body in the soil, fill the voids and enhance the shear strength of the soil, thereby improving the overall stability of the project.
Concept: Engineering grouting reinforcement is the process of injecting a specific material (slurry) into a soil or concrete structure to fill voids, strengthen the soil, improve the engineering properties of the soil, and repair and reinforce the structure.
Types: 1. Cement slurry grouting: Cement and an appropriate amount of concrete mortar are injected into the soil or structure as a slurry to form an expansion and shrinkage body to enhance strength and stability.
2.Ready-mixed slurry grouting: Ready-mixed slurry, such as ready-mixed cement slurry, polymer slurry, etc., is injected into the soil or structure to improve engineering performance.
3.High-pressure grouting: The grout is injected into the soil or structure through a high-pressure syringe pump to form a solid grouting body.
4.Polymer grouting: Using a polymer material as a grouting agent, the polymer slurry is injected into the soil or structure through a high-pressure syringe pump to achieve a reinforcement effect.
5.Bentonite grouting: The use of bentonite slurry into the soil or structure to improve engineering performance through expansion.
6.Modified resin grouting: The use of modified resin as the grouting material can achieve the purpose of foundation reinforcement and repair of concrete structures.
Uses: 1. Foundation reinforcement: The bearing capacity, anti-settlement ability and anti-erosion ability of the foundation can be improved through grouting reinforcement, so that the soil is more compact and stable.
2.Structural repair: Grouting reinforcement can repair cracks, cracks, voids and other defects in concrete structures, and improve the strength and stability of the structure.
3.Rock reinforcement: Grouting reinforcement can improve the strength and stability of rocks and avoid geological disasters such as rock masses and landslides.
4.Waterproofing treatment: Grouting reinforcement can fill the channels and gaps of groundwater leakage, and improve the waterproof performance of soil and structure.
5.Rock and soil compaction: grouting reinforcement can form an expansion and shrinkage body in the soil, fill the voids, and improve the shear strength and overall compactness of the soil.
Engineering grouting reinforcement is a multi-functional construction method, which is widely used in the field of civil engineering to improve the strength and stability of soil and structure.