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混凝土矿物掺合料的强度效应研究
作者:龙广成 王新友 肖瑞敏 
单位:同济大学材料科学与工程学院 同济大学材料科学与工程学院 同济大学材料科学与工程学院 上海200092  上海200092  上海200092 
关键词:矿物掺合料  强度效应  混凝土 
分类号:TU528.041
出版年,卷(期):页码:2002,30(2):139-143
DOI:
摘要:
矿物掺合料对混凝土具有重要的强度效应 .本文认为掺有矿物掺合料的混凝土复合材料的强度由水泥混凝土基体 (水泥浆体和砂石集料 )产生的强度和矿物掺合料的物理和化学两方面效应对强度的贡献两部分构成 ,据此提出了全面估算混凝土矿物掺合料强度效应的新方法 ;并从理论和试验两方面分析了水胶比、掺合料掺量以及龄期对矿物掺合料强度效应的影响规律
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Significant strength_effect by mineral admixture can be contributed to concrete. In this paper, the strength of concrete composites containing mineral admixtures is considered to include two parts. One is generated by cement concrete matrix, and the other by physical and chemical effects of mineral admixtures on concrete. On this basis, a new method is presented for evaluating strength_effect of mineral admixture on concrete. Furthermore the effects of water to binder ratio, content of mineral admixtures and ages on the strength+effect are quantitatively analyzed from theory and experiment.
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参考文献:
[1] GOLDMANA ,BENTURA .Theinfluenceofmicrofillersonen hancementofconcretestrength[J].CemConcrRes,1993,23(4):962—972. [2] 潘钢华,孙 伟,张亚梅(PANGanghua,etal).活性混合材微集料效应的理论和实验研究[J].混凝土与水泥制品(ConcrCemProdu),1997(6):23—25. [3] 蒲心诚(PUXincheng).应用比强度指标研究活性矿物掺合料在水泥与混凝土中的火山灰效应[J].混凝土与水泥制品(ConcrCemProdu),1997(3):6—14. [4] BABUKG ,RAOGSN .Efficiencyofflyashinconcretewithage[J].CemConcrRes,1996,26(3):465—474. [5] 丁 星,蒲心诚(DINGXing,etal).水泥活性矿物掺合料增强效应统计模型研究[J].硅酸盐学报(JChinCeramSoc),1999,27(4):401—407. [6] 张亚梅,孙 伟,陈惠苏(ZHANGYamei,etal).粉煤灰强度效应因子的动态预测[J].硅酸盐学报(JChinCeramSoc),1999,27(6):665—669. [7] 张 雄,吴科如,韩继红(ZHANGXiong,etal).高性能混凝土矿渣复合掺合料特性作用机理[J].混凝土与水泥制品(ConcrandCemProdu),1997(3):15~19. [8] 赵铁军,朱金仝,冯乃谦(ZHAOTiejun,etal).高性能混凝土的渗透性[J].混凝土与水泥制品(ConcCemProdu),1997(1):16—19. [9] 赵若鹏,刘元鹤,郭自力(ZHAORuopeng,etal).掺粉煤灰混凝土的研究[J].混凝土(Concrete),1995(3):42—51
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