Effect of particle size of waste brick powder on the properties of alkaline activated materials

被引：4
|
作者：
Brindus-Simut, J. [1 ]
Vysvaril, M. [1 ]
Bayer, P. [1 ]
Keppert, M. [2 ]
Rovnanikova, P. [1 ]
机构：
[1] Brno Univ Technol, Fac Civil Engn, Veveii 331-95, Brno 60200, Czech Republic
[2] Czech Tech Univ, Fac Civil Engn, Thakurova 7-2077, Prague 16629, Czech Republic
来源：
INTERNATIONAL CONFERENCE BUILDING MATERIALS, PRODUCTS AND TECHNOLOGIES | 2018年 / 379卷
关键词：
RHEOLOGY;
D O I：
10.1088/1757-899X/379/1/012019
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The properties of alkaline activated brick dust mixed with water glass with a silicate modulus (Ms) of 1.0 were studied in fresh mixtures as well as hardened products in connection with the particle size of the dust. The brick dust (ground waste brick) was separated into 5 fractions according to particle size. The influence of particle size on the rheological properties of the fresh mixtures was studied via measurements of the yield stress and viscosity. The flexural and compressive strengths of the hardened products were determined after storage under laboratory conditions for 7, 14 and 90 days; the influence of 7 days of curing at 65 degrees C on strength was evaluated as well. The microstructure of the hardened products was studied by means of porosimetry and SEM.
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页数：8
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