为了研究冻融循环条件下再生橡胶混凝土强度与耐久性之间的相关性,试验通过对不同掺量和粒径橡胶颗粒再生混凝土进行了抗压强度和抗冻性试验,并基于抗冻性损伤模型构建冻融循环条件下再生橡胶混凝土损伤演变和强度相关性方程.试验结果表明:再生混凝土的7d和28 d的立方体抗压强度随着橡胶颗粒粒径和掺量的增加而减小,橡胶颗粒的掺入能改善再生混凝土的抗冻性能,并可通过相对动弹模数值快速估算出再生混凝土的强度,可作为冻融循环条件下,再生橡胶混凝土结构评估的参考和依据.
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