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(四) 提高混凝土抗早期冻害的措施冬季浇筑的混凝土,易于出现质量事故的是遭受早期冻害。最终使混凝土后期强度达不到设计标号。因此,冬季浇筑混凝土时的主要措施是如何防止混凝土遭受早期冻害和提高混凝土抗早期冻害的措施。提高混凝土抗早期冻害的措施归纳起来可分两大类。 1.早期增强措施。也可以说是用化学方法来加速水泥的水化反应,使混凝土尽快
(iv) Measures to improve the early frost resistance of concrete In winter, the concrete poured in winter is prone to quality accidents and is subject to early frost damage. Ultimately, the strength of the concrete at the later stage cannot reach the design number. Therefore, the main measures for pouring concrete in winter are how to prevent the early frost damage of the concrete and improve the concrete’s resistance to early freezing damage. Measures to improve the early frost resistance of concrete can be divided into two categories. 1. Early enhancement measures. It can also be said to use chemical methods to accelerate the hydration reaction of cement and make concrete as soon as possible