CGM grout material permeability grade waterproof effect how

CGM grout material permeability grade the permeability resistance of grouting material is what? The permeability resistance of grouting material, is refers to the grouting material against the pressure of water penetration ability, it is the most basic key element of the grouting material durability. Reinforcement corrosion and alkali aggregate reaction, freezing and thawing cycle, sulfate corrosion of these cause the reason of the grouting material degradation water to soak into the grouting material is damaged conditions, that is to say, water may cause swelling and cracking directly, perhaps as a corrosive medium disperse into the inside of the grouting material carrier. The permeability resistance of grouting material? Grouting material as a kind of porous material, high porosity, accounts for about 25% ~ 40%, which is all the wool stoma accounted for a large part of. Grouting material soak first depends on the porosity of hardened cement slurry, containing pore scale, distribution and continuity. After selecting good aggregate gradation, can cut down the porosity of grouting material, and then advance grouting material permeability resistance. To obtain outstanding grouting material permeability function, must advance grouting guess aggregate density decreases aggregate area, with the large amount of solid particles with open space of the grouting material mixing, obtain permeability features outstanding grouting material. Proved that the engineering technology co. , LTD. Produces the grouting material has excellent resistance to permeability, particularly applicable to the fine, a large, messy equipment; Strengthening concrete structure transformation, enhance pavement rapid correction. Company produce of grouting material with high intensity, good patience, durable, pollution-free green building materials.