Mechanical properties of self consolidating concrete blended with high volumes of fly ash and slag

被引：125
|
作者：
Kuder, Katherine [1 ]
Lehman, Dawn [2 ]
Berman, Jeffrey [2 ]
Hannesson, Gudmundur [2 ]
Shogren, Rob [3 ]
机构：
[1] Seattle Univ, Seattle, WA 98122 USA
[2] Univ Washington, Seattle, WA 98105 USA
[3] Lafarge N Amer, Seattle, WA 98106 USA
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2012年 / 34卷
关键词：
Self-consolidating concrete; Fly ash; Slag; Compressive strength; Chemical composition; Efficiency; Creep; Elastic modulus; INCORPORATING HIGH VOLUMES; SUPPLEMENTARY CEMENTING MATERIALS; COMPRESSIVE STRENGTH; PREDICTION; EFFICIENCY; MODEL; GGBS;
D O I：
10.1016/j.conbuildmat.2012.02.034
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The effect of high volumes of two supplementary cementitious materials (SCMs) (fly ash and slag) on the mechanical performance of self-consolidating concrete (SCC) was investigated. Binary and ternary mixes were prepared replacing 60-90% of the Portland cement in the control mix (cement = 415.1 kg/m(3)). Mix designs were selected such that a wide range of CaO/(SiO2 + Al2O3) was achieved. Results show that SCC containing high volumes of SCMs have similar engineering properties (compressive strength, elastic modulus, creep, shrinkage) as conventional SCC at later ages (>= 28 day). A novel efficiency expression was developed to predict compressive strength. (C) 2012 Published by Elsevier Ltd.
引用
收藏
页码：285 / 295
页数：11
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