Curing of Concrete Slab by Hessian Cloth
Curing concrete slabs using hessian cloth (burlap) is a traditional and effective method to ensure proper hydration and strength development. Here are the steps involved:
1. **Preparation**: Ensure the surface of the concrete slab is clean and free from debris.
2. **Saturate the Hessian Cloth**: Before placing the hessian cloth on the slab, soak it thoroughly in water. This prevents it from drawing moisture out of the concrete.
3. **Cover the Concrete**: Place the wet hessian cloth over the entire surface of the concrete slab. Make sure it is in full contact with the concrete to avoid any dry spots.
4. **Regular Wetting**: Keep the hessian cloth wet at all times. This may involve sprinkling water on it regularly or using a sprinkler system to maintain moisture.
5. **Duration**: Continue the curing process for at least 7 days, or as specified by the project requirements. Longer curing times may be necessary for higher strength concrete or in hot and dry conditions.
6. **Monitoring**: Check the hessian cloth regularly to ensure it remains wet and properly covering the concrete.
Using hessian cloth helps maintain a moist environment for the concrete, preventing rapid evaporation of water, which is crucial for the proper curing process and strength development.
