低温会减缓水泥的水化作用。在冬季,人们为了补救这一缺陷,采用了多种方法,以求得到理想的砼凝结时间。使用速凝剂就是一种最常用的方法;另一种方法是加热拌和水和骨料。但是,这两种方 Low temperatures will slow the hydration of cement. In winter, in order to remedy this defect, people have adopted a variety of methods to obtain the ideal time for condensation. The use of accelerators is one of the most common methods; the other method is to heat mixing water and aggregates. However, these two parties