Winter construction
) When the daily average temperature is lower than ℃, winter construction should be carried out and meet the following requirements
) Before grouting, measures should be taken to preheat the foundation surface to keep the temperature above ℃, and remove accumulated water
br/>) The cement-based grouting material should be mixed with warm water not exceeding ℃, and the mold entry temperature of the slurry should be above ℃
) Before being frozen, the compressive strength of the cement-based grouting material shall not be less than M.
Heze machine base installation grouting material manufacturer