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

页码：285 / 295

页数：11

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