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补偿收缩混凝土是在混凝土中掺入适量的膨胀剂,使其在约束条件下产生适度的体积膨胀和预压应力,以补偿混凝土干缩所产生的拉应力,提高混凝土自身的抗渗抗裂性能。本文介绍补偿收缩混凝土在龙门滩碾压混凝土坝防渗面板应用中的有关技术问题及其效果。
Shrinkage-compensated concrete incorporates an appropriate amount of expansion agent in the concrete to produce moderate volume expansion and pre-stress under constraint conditions to compensate for the tensile stress caused by concrete shrinkage and to improve the impermeability and crack resistance of concrete . This paper introduces the relevant technical problems and its effects in the application of shrinkage-compensated concrete in anti-seepage panel of Longmen Beach RCC dam.