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近年来,随着对冬季施工混凝土试验研究工作的不断深入,国外已经提出冬季施工混凝土中也必须掺入加气剂,以提高新浇筑混凝土的早期防冻能力和长期耐久性,国內也开始注意到冬施混凝土中掺入加气剂的好处,开始把应用加气混凝土的问题摆到从事一般工民建的试验研究和施工人员的面前。
In recent years, with the continuous deepening of experimental research on winter construction concrete, it has been proposed in foreign countries that air-entraining agents must also be blended into winter construction concrete in order to improve the early antifreeze capability and long-term durability of newly cast concrete. The advantages of incorporation of air-entraining agents into winter-use concrete began to put the issue of the use of aerated concrete in front of experimental research and construction personnel engaged in general civil-industrial construction.