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The dialectical relationship between cracking and permeability of concrete
Author(s): 
Pages: 1-5
Year: Issue:  3
Journal: Ready-mixed Concrete

Keyword:  高抗渗防裂 不可分割 完美湿养护 耐久性 水化产物填充理论;
Abstract: 混凝土抗裂与抗渗存在着不可分割的辩证关系,实际工程不能背离这一关系。混凝土高抗渗防裂最新抗裂理念的建立,利用了这一关系。混凝土浇筑成型后,其拌合水不可以损失,应采用完美湿养护,防止形成失水缺陷。这是遵从混凝土发育规律,将混凝土抗裂与抗渗联系起来的唯一方法。混凝土硬化早期放任其失水,抗裂不抗渗,背离了抗裂与抗渗不可分割的辩证关系,是长期以来混凝土工程裂与渗质量通病的根源所在。
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