Effects of binder strength and aggregate size on the compressive strength and void ratio of porous concrete

被引：0
|
作者：
Chindaprasirt, P. [2 ]
Hatanaka, S. [3 ]
Mishima, N. [3 ]
Yuasa, Y. [4 ]
Chareerat, T. [1 ]
机构：
[1] Kasetsart Univ, Fac Sci & Engn, Dept Civil & Environm Engn, Bangkok, Thailand
[2] Khon Kaen Univ, Fac Engn, Dept Civil Engn, Khon Kaen, Thailand
[3] Mie Univ, Fac Engn, Dept Architecture, Tsu, Mie, Japan
[4] Mie Prefecture Sci & Technol Promot Ctr, Ind Res Div, Tsu, Mie, Japan
来源：
INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS | 2009年 / 16卷 / 06期
关键词：
cement paste; porous concrete; compressive strength; void ratio;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
To test the influence of binder strength, porous concretes with 4 binder strengths between 30.0-135.0 MPa and 5 void ratios between 15%-35% were tested. The results indicated that for the same aggregate, the rates of strength reduction due to the increases in void ratio were the same for binders with different strengths. To study the influence of aggregate size, 3 single size aggregates with nominal sizes of 5.0, 13.0 and 20.0 mm (Nos. 7, 6 and 5 according to JIS A 5001) were used to make porous concrete. The strengths of porous concrete are found to be dependent on aggregate size. The rate of strength reduction of porous concrete with small aggregate size is found to be higher than that with larger aggregate size. At the same void ratio, the strength of porous concrete with large aggregate is larger than that with small aggregate. The general equations for porous concrete are related to compressive strength and void ratio for different binder strengths and aggregate sizes.
引用
收藏
页码：714 / 719
页数：6
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