摘要
再生混凝土的力学性质是推动废弃混凝土资源化利用的基础。试验研究了原生混凝土强度等级为C40混凝土的再生骨料掺量对混凝土和易性、力学性能的影响。研究结果发现,原生混凝土强度等级为C40混凝土的再生骨料自身强度能满足C30混凝土要求,但是由于表面粗糙棱角多、吸水性大等原因对混凝土和易性、力学性能有不同程度影响。
The mechanical properties of recycled concrete are the basis of promoting the utilization of waste concrete.Effects of the content of recycled aggregate with the strength grade of C40 concrete on the properties of concreteiness and mechanics was studied.The results show that the strength grade of recycled aggregate of C40 concrete can meet the requirements of C30 concrete,but due to the rough corners of the surface and the large water absorption,it has different effects on the easiness and mechanical properties of concrete.
作者
刘兰君
黄久旭
刘森
Liu Lanjun;Huang Jiuxu;Liu Sen(School of Civil Engineering,Shangqiu Institute of Technology,Shangqiu 476000,China;Research Center of Undergroud Space and Geotechnical Engineering in Yellow Area of Eastern Henan Province,Shangqiu 476000,China;Zhengzhou Tongbao Road Bridge Co.,Ltd.,Zhengzhou 450000,China)
出处
《山西建筑》
2021年第24期75-77,共3页
Shanxi Architecture
关键词
再生骨料
再生混凝土
和易性
力学性能
recycled aggregate
reclaimed concrete
peaceability
mechanical property
