再生粗骨料对再生混凝土基本性能的影响  

Effect of Recycled Coarse Aggregate on Fundamental Properties of Recycled Concrete

作　　者：宋灿[1] 陈爱玖[1] 

机构地区：[1]华北水利水电学院,郑州450011

出　　处：《煤炭技术》2011年第6期159-161,共3页Coal Technology

基　　金：河南省科技厅科技攻关资助(102102210096);郑州市科技人才培育计划(096SYJH23105);郑州市科技攻关资助(0910SGYG23261-2)

摘　　要：将废弃混凝土进行破碎得到再生骨料,根据再生粗、细骨料不同掺量配制C20、C25、C30、C35强度等级混凝土,试验得出再生骨料掺量对再生混凝土抗压强度、轴心抗压强度、劈裂强度、弹性模量的影响规律。基于对试验结果的分析得出的一些结论可为废弃混凝土的再利用提供研究依据。Recycled concrete with the strength grade of C20,C25,C30 and C35 were made by replacing natural aggregate with different amount of recycled coarse aggregate,which were obtained from the process of crushing waste concrete beams,and then tests on fundamental properties of recycled concrete were carried out.The change law of compressive strength,splitting strength,axial compressive strength and elastic modulus with the amount of recycled aggregate were obtained.And also based on the investigation of test results some useful conclusions were given which can provide reference for the reusing of waste concrete.

关 键 词：再生粗骨料 再生混凝土 弹性模量 抗压强度 劈裂强度 

分 类 号：TU52[建筑科学—建筑技术科学]