Properties of recycled aggregate concrete with silica fume

被引：0
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作者：
Department of Civil Engineering, Coimbatore Institute of Technology, Coimbatore-641014, India [1 ]
机构：
来源：
J. Appl. Sci. | 2006年 / 14卷 / 2956-2958期
关键词：
Recycling - Concrete aggregates - Chlorine compounds - Silica fume - Acid resistance - Cements - Compressive strength;
D O I：
10.3923/jas.2006.2956.2958
中图分类号：
学科分类号：
摘要：
This study describes about the investigation undertaken to examine the suitability of recycled concrete as a substitute for fine aggregate. Recycled concrete (artificial sand) is used for 40% of fine aggregate and natural sand is retained for the remaining part. HPC of M 60 grade is attempted, with different replacement levels of cement with silica fume. Maximum 28 day compressive strength of 71.70 MPa with 15% replacement of cement with silica fume was observed for a water-binder ratio of 0.32 acid resistance and chloride impermeability increases with increase of silica fume content. © 2006 Asian Network for Scientific Information.
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