1. After general construction, concrete needs to be cured for about seven days. According to the relevant requirements, the surface should be covered and cured within 12 hours after concrete pouring, and the curing period is 7 days.

2, for portland cement, ordinary portland cement and other concrete, curing time is not less than 7 days; If retarding admixture and impervious material are added to concrete, it should not be less than 14 days.

3. The watering times of concrete must be handled according to the state of concrete. If the concrete is very wet, there is no need to water it. Wait until the concrete is dry before watering it.

4. When curing concrete, water shall not be splashed on the concrete. In the process of boiling water, you can spray it to keep the concrete wet.

5. Plastic bags, cloth, cotton cloth and straw can be used to cover concrete for each curing.

6. When the concrete reaches a certain level, you can't step on it. When you want to maintain concrete, you must install formwork and supports. When installing, please step on the bracket, not on the concrete. Please note that if the average temperature of the day is below five degrees, it is impossible to water the concrete to keep it excessively wet.