本发明涉及防冻混凝土，属于混凝土领域。
The invention relates to anti-freezing concrete and belongs to the field of concrete.
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.
指出性能优异的以防冻功能为主的多功能复合外加剂是制备负温混凝土或耐久性混凝土的技术关键。
The addition of compound anti-freezing admixture is the vital technique in the process of manufacturing durable negative temperature concrete.
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