1, moisturizing in summer, watering maintenance is not allowed. It is more practical and convenient to maintain with healthy liquid, that is, to store water.

2, the first is plastic, but also for antifreeze considerations. To put it bluntly, water saving and low humidity are attributed to the laying of plastic film.

Supplementary questions. In theory, someone covers the concrete once every six hours to ensure that the concrete is fully wet.

3, heat preservation and heat storage in winter, after concrete pouring, appropriate uses water conservation method for continuous curing and rapid drying. For large flat projects, plastic films or sacks should be used and then watered. When the average temperature of the day is lower than 5℃, watering is not allowed in winter.

4, then sacks, heat preservation in winter, can moisturize. 12 hour is the theoretical time and it is normal temperature, and the temperature is high in summer. One or two days before concrete pouring, make it nonvolatile, and cover it with straw bags for heat preservation, which should be covered within 12 hours.