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Description :

　　Introduce the road surface to youcrack sealantThe correct method

　　1. Crack inspection: Identify the nature of the crack, as well as its depth, direction, length, width, penetration, and water leakage.

　　2. Crack treatment: This is determined based on the condition of the crack

　　(1) For cracks in smaller concrete components, use tools such as wire brushes to remove dust, floating debris, and loose layers on the surface of the concrete cracks.

　　(2) For deeper cracks in larger concrete components, V-shaped grooves can be used to chisel cracks.

　　(3) For larger concrete components or deeper cracks, grouting nozzles can be installed along the cracks.

　　(4) Install grouting nozzles at the intersections, wider areas, and ends of cracks, with the spacing between nozzles determined by the size, direction, and structural form of the cracks.

　　3. Sealing: The quality of sealing directly affects the quality of road sealant grouting.

　　4. Sealing inspection: In general, a leak test can be conducted 1-2 days after sealing to check the sealing effect and penetration of cracks.

　　5. Configure road joint grouting adhesive: The two components should be shaken thoroughly separately. Starting from the mixing of the adhesive, the grouting operation should be completed during the adhesive trial period.

　　6. Glue filling: The glue filling equipment should be used. Before filling, the holes and seams should be blown clean with compressed air to achieve a dry and waterless state. Depending on the size of the crack area, carbon fiber cloth reinforcement can be used. Single hole glue filling or partitioned group hole glue filling can be used.

　　7. Gel curing: It should be cured in an environment of 5 ℃, and the curing time depends on the ambient temperature. Generally, curing at 25 ℃ for 7 days is sufficient.

　　8. Glue filling effect inspection.

　　Before using road sealant, it is necessary to identify where cracks have appeared on the road surface and use it according to the severity of the cracks. If the cracks are too large or deep, more can be used.

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• crack sealant