作　　者： ; ; ;

机构地区： 昆明理工大学建筑工程学院

出　　处： 《科学技术与工程》 2010年第19期4843-4847,共5页

摘　　要： 通过试验表明:用再生骨料部分或全部替代天然碎石配制再生混凝土时,其工作性能和强度与普通混凝土不同,系统研究了在水灰比相同的情况下,再生骨料掺量对混凝土基本性能的影响。结果表明:对于工作性能而言,随着再生骨料掺量的增加,新拌混凝土的流动性变差,而黏聚性和保水性变好,对于强度而言,存在一个合理掺量,再生骨料掺量在50%左右,对强度有利。 Based on the experiments, the test results indicated that the strength and performance of recycled aggregate prepared with natural aggregate which was substitute with ferent from common concrete. The influence of recycled aggregate recycled aggregate partly or completely were dif- replacement rate on properties of concrete with the same water-cement ratio was discussed in this paper. As shown in the results, on the performance, the fluid- ness of recycled aggregate concrete decreases with water-retaining property increases. On the strength the addition of recycled aggregate, but the cohesiveness and the , it is benefit for the strength of recycled aggregate concrete when the recycled aggregate replacement rate reaches around 50%.

关 键 词： 再生骨料 再生混凝土 工作性能 强度 替代率

领　　域： [建筑科学]