DURABILITY OF HIGH VOLUME FLY ASH CONCRETE USED IN CHANNEL REVETMENT

被引：0

作者：

Qi Bing ^{[1
]}

Gao Jianming ^{[1
]}

Shen Yejiong ^{[1
]}

Zhang Ping ^{[1
]}

Wang Fang ^{[1
]}

机构：

[1] Southeast Univ, Sch Mat Sci & Engn, Jiangsu Key Lab Construct Mat, Nanjing 21189, Jiangsu, Peoples R China

来源：

II INTERNATIONAL CONFERENCE ON CONCRETE SUSTAINABILITY - ICCS16 | 2016年

基金：

美国国家科学基金会;

关键词：

Concrete; Durability; High Volume Fly Ash; Chloride Ion Diffusion; Carbonation; Frost Resistance; CEMENT;

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This paper presents the results of a laboratory study on durability properties of high volume fly ash concrete that is suitable for channel revetment. Chloride ion permeability, carbonation, frost-resistance and microstructure variation of concrete were concemed. Two series of mixtures with two different water/binder ratios (0.55 and 0.58 by mass) were prepared by partial replacement of cement with fly ash. The replacing dosage of fly ash varies proportions from 30 % to 60 %. The experiment results demonstrated chloride diffusion coefficient of concrete decreases with the increasing volume of fly ash. However, the resistance to carbonation and freeze-thaw durability was adverse, especially when the content of fly ash was greater than 50 %.

引用

页码：1202 / 1207

页数：6

共 8 条

[1] A review on the utilization of fly ash [J].