当水灰比小于0 57时，再生混凝土的抗压强度随着水灰比的增大而增大。
However, when water cement ratio is below 0.57, compressive strength of recycled aggregate concrete increases with water cement ratio increased.
试验结果表明，再生混凝土的抗压强度随再生骨料取代率的增加而整体成下降趋势，但下降幅度不大，大都在10%以内；
Experimental results show that the compressive strength of RC increases with the time growth, overall decline with the replace rate of RCA growth, but mostly less than 10% in the degree;
根据统计分析和贝叶斯估计结果，建议了强度等级为C20和C30再生混凝土抗压强度的标准值与标准差的取值。
Based on the results of Bayes estimations, the standard deviations for the compressive strength of RAC with strength grades of C20 and C30 were proposed.
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