大体积混凝土施工裂缝控制措施

Construction Crack Control Measure of Large Bulk of Concrete

为了保证大体积混凝土施工质量,控制施工裂缝产生,应着重从控制温升、延缓降温速率,减少混凝土收缩、提高混凝土极限拉升,改善约束程度和设计构造等方面采取措施,科学试配、合理选择混凝土浇灌时机,最后在施工过程中才能达到预期的效果。

To ensure the construction quality of large bulk concrete and to avoid the crack,some measures should be taken in terms of the control of temperature rising,delay of cooling rate,decrease of concrete contraction,boost of pulling limit on concrete,improvement of restriction degree and the construction design etc.Expected effects will be achieved with scientific confecting and appropriate irrigation time.