粗集料强度对混凝土抗压强度影响的试验研究  

Experimental study about effect of coarse aggregate strength on compressive strength of concrete

作　　者：杨再富[1] 钱觉时[1] 唐祖全[1] 梁天宇[1] 

机构地区：[1]重庆大学材料科学与工程学院

出　　处：《混凝土》2004年第12期23-25,39,共4页Concrete

基　　金：教育部博士点基金项目资助(20020611022)

摘　　要：　试验研究了碎石、钢、砂浆、页岩陶粒和加气混凝土集料强度对高强、中强和低强基体混凝土抗压强度的影响,研究结果表明粗集料强度对混凝土抗压强度影响较大,用于配制混凝土的粗集料必须具备一定的强度。只有集料强度与基体强度相互协调时,才能更好地发挥集料和基体的作用;当集料与基体两相强度差异较大时,高强相的强度不能充分利用。The effect of strength of coarse aggregate including broken stone,steel,mortar,expanded shale and aeroconcrete on the compressive strength of concrete is studied by experiment.The research results show that the coarse aggregate strength has significant influence on the compressive strength of concrete;the coarse aggregate used for making concrete should have adequate strength.Only the strength of coarse aggregate matching to those of mortar matrix,the better effect could be achieved,otherwise the strength of coarse aggregate and matrix couldn't be fully utilized.

关 键 词：粗集料 基体 混凝土 强度 协调 

分 类 号：TU528.041[建筑科学—建筑技术科学]