The influence of carbon nanotubes on the properties of water solutions and fresh cement pastes

被引：5
|
作者：
Leonavicius, D. [1 ]
Pundiene, I. [1 ]
Girskas, G. [1 ]
Pranckeviciene, J. [1 ]
Kligys, M. [1 ]
Sinica, M. [1 ]
机构：
[1] Vilnius Gediminas Tech Univ, Sci Inst Thermal Insulat, Linkmenu Str 28, LT-08217 Vilnius, Lithuania
来源：
3RD INTERNATIONAL CONFERENCE ON INNOVATIVE MATERIALS, STRUCTURES AND TECHNOLOGIES (IMST 2017) | 2017年 / 251卷
关键词：
MECHANICAL-PROPERTIES; MICROSTRUCTURE; DISPERSION; BEHAVIOR; MATRIX;
D O I：
10.1088/1757-899X/251/1/012023
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
It is known, that the properties of cement-based materials can be significantly improved by addition of carbon nanotubes (CNTs). The dispersion of CNTs is an important process due to an extremely high specific surface area. This aspect is very relevant and is one of the main factors for the successful use of CNTs in cement-based materials. The influence of CNTs in different amounts (from 0 to 0.5 percent) on the pH values of water solutions and fresh cement pastes, and also on rheological properties, flow characteristics, setting time and EXO reaction of the fresh cement pastes was analyzed in this work. It was found that the increment of the amount of CNTs leads to decreased pH values of water solutions and fresh cement pastes, and also increases viscosity, setting times and EXO peak times of fresh cement pastes.
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页数：8
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