Theoretical and Experimental Research on Compressive Strength of High Fly-ash Content Concrete

被引：0

作者：

Ai Hongmei ^{[1
]}

Wang Lijiu ^{[1
]}

Wei Jingjing ^{[1
]}

Bai Junying ^{[1
]}

Lu Puguang ^{[1
]}

机构：

[1] Dalian Univ Technol, Sch Civil Engn, Dalian 116024, Peoples R China

来源：

ECOLOGICAL ENVIRONMENT AND TECHNOLOGY OF CONCRETE | 2011年 / 477卷

关键词：

high fly-ash content concrete (HFCC); compressive strength; cementitious coefficient; actual water-binder ratio; micro-aggregate-binder ratio;

D O I：

10.4028/www.scientific.net/KEM.477.257

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Introduced the concept of "Cementitious Coefficient" of fly ash, theoretical formula of strength of HFCC at a certain age was found with two variables: actual water-binder ratio and micro-aggregate-binder ratio. Development regularity of compressive strength of HFCC was studied and formula of long-term strength coefficient D-28(t) was settled. Influence of actual water-binder ratio and micro-aggregate-binder ratio on long-term strength of HFCC was analyzed. Experimental results showed that along with the single-factor increase of actual water-binder ratio and micro-aggregate-binder ratio, growth rate of long-term strength of HFCC increased; influence of actual water-binder ratio was deeper than that of micro-aggregate-binder ratio.

引用

页码：257 / 262

页数：6

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