Permeability of Lightweight Aggregate Concrete with Mineral Admixture

被引：0
|
作者：
Zheng, Xiuhua [1 ]
Song, Shujie [2 ]
Zhang, Yongquan [1 ]
机构：
[1] Harbin Inst Technol, Sch Transportat Sci & Engn, Harbin, Peoples R China
[2] Vocat Tech Sch, Hulunbuir, Peoples R China
来源：
ADVANCED PAVEMENT RESEARCH | 2014年 / 857卷
关键词：
lightweight aggregate concrete; fly ash; zeolite powder; silica fume; pore structure; permeability;
D O I：
10.4028/www.scientific.net/AMR.857.105
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper presents an experimental study on the permeability and the pore structure of lightweight concrete with fly ash, zeolite powder, or silica fume, in comparison to that of normal weight aggregate concrete. The results showed that the mineral admixtures can improve the anti-permeability performance of lightweight aggregate concrete, and mixed with compound mineral admixtures further more. The resistance to chloride-ion permeability of light weight concrete was higher than that of At the same strength grade, the anti-permeability performance of lightweight aggregate concrete is better than that of normal weight aggregate concrete. The anti-permeability performance of LC40 was similar to that of C60. Mineral admixtures can obviously improve the pore structure of lightweight aggregate concrete, the total porosity reduced while the pore size decreased.
引用
收藏
页码：105 / +
页数：2
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