在建筑装修中使用防冻剂，能使混凝土在负温下硬化，并在规定时间内达到足够防冻强度。
Used in the construction and fitting-in antifreeze, concrete can harden in the negative temperature and the time to achieve sufficient strength antifreeze.
通过对混凝土冻害情况以及混凝土冻害产生原因的分析，介绍了不同防冻剂的性能、作用机理及其适用范围等问题，提出了防冻剂的选用原则、方法。
Based upon analysis of the freezing damage of concrete and its causing reasons the performances, action mechanism and application scopes of different concrete antifreezes are introduced.
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