This paper analyzes the characteristics of large pump concrete and the cause of Concrete crack, provides corresponding prevention measures. 摘要文章分析泵送混凝土特点及大体积混凝土裂缝产生的原因，提出防治措施。
At present, excessive pumping concrete, pumping concrete in order to ensure the availability of pumps, pumping concrete, often adding an appropriate amount of air-entraining agent. 目前泵送混凝土用量过大，为了保证泵送混凝土的可泵性，往往在泵送混凝土中加入适量的引气剂。
