结果表明：相对于普通混凝土，随着再生粗骨料取代率的增加，再生粗骨料混凝土具有强度和弹性模量降低等特点；
The results show that the compressive strength and elastic modulus of recycled coarse aggregate concrete are lower compared with conventional concrete.
用废混凝土骨料完全代替粗骨料配制混凝土是可行的。
It is feasible to substitute the coarse aggregate concrete by waste concrete aggregate.
系统研究了坍落度相同的情况下再生粗骨料取代率对混凝土基本性能的影响。
The influence of recycled coarse aggregate replacement rate on properties of concrete with the same slump is discussed in the paper.
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