The curing time should last 2 1d to 28d. Concrete curing generally adopts several methods, such as watering natural curing, spray film curing and plastic film wrapping curing. The waiting time should be before the concrete is watered after the final setting.
Extended data:
When the day and night average temperature is lower than 5℃ or the minimum temperature is lower than -3℃, it should be treated as winter construction. When the ambient temperature is lower than 5℃, it is forbidden to spray water on the concrete surface for curing. At this time, curing liquid can be sprayed on the concrete surface, and appropriate insulation measures can be taken.
During the curing period of concrete, the temperature of representative structures should be monitored, and the core temperature, surface temperature and environmental temperature, relative humidity, wind speed and other parameters of concrete should be measured regularly, and the curing system should be adjusted in time according to the changes of concrete temperature and environmental parameters.
Strictly control the temperature difference between inside and outside the concrete to meet the requirements. During the concrete curing period, the concrete curing process should be recorded in detail, and a strict post responsibility system should be established.
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