浅谈大体积混凝土裂缝的产生原因和防治措施

On cause and prevention measures of large scale concrete crack

针对大体积混凝土裂缝对结构耐久性的影响,分析了大体积混凝土裂缝产生的原因,从原材料、极限抗拉强度、温度应力、浇筑方案等方面阐述了大体积混凝土结构裂缝的控制措施,以减少和避免裂缝的产生。

Aiming at the influences of large scale concrete crack on structural durability, the author analyzes the causes of large scale concrete crack, describes the control measures of the large scale concrete structural crack from aspects of raw material, limit tensile strength, temperature stress and grouting scheme, so as to decrease and avoid crack.