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前言蒸养制度对引气混凝土性能(尤其抗冻性)的影响迄今研究不多,且不同学者所得结果存在矛盾。海琴逊(HIGGINSON)的研究指出:蒸养温度对抗冻性影响不大,但抗冻性随蒸养时间的延长而提高。美国垦务局的资料指出,蒸养温度对耐久性有重大影响,在30℃以上,养护时间较短者,耐久性较高。范特洛夫((?)ЕДОРОВ)认为蒸养温度和条件的变化能在很大程度上影响混凝土的耐久
Foreword The effect of steam curing on the performance of air-entrained concrete (especially frost resistance) has not been studied so far, and the results obtained by different scholars are contradictory. The research of HIGGINSON pointed out that steaming temperature has little effect on freezing resistance, but frost resistance increases with the prolonging of steaming time. According to the US Bureau of Reclamation, steaming temperature has a major impact on durability. Above 30°C, shorter curing times, higher durability. Fantrov ((?)ЕДОРОВ) believes that changes in the temperature and conditions of steaming can greatly affect the durability of concrete.