【摘要】 防止堆石坝面板混凝土裂缝的措施之一是提高混凝土的抗裂性。通过配合比优化，为天生桥一级水电站钢筋混凝土面板设计出抗裂性能较好的混凝土。研究提出了一个衡量混凝土本身抗裂性的指标——混凝土抗裂性指数更多还原

【Abstract】 One of the measures for preventing concrete face cracking is to improve concrete crack resistance Through optimization of concrete mix a good crack resistance concrete for Tianshengqiao-I dam has been achieved A crack resistance index of concrete is then recommended更多还原