Waste Glass Powder Reusability in High-Performance Concrete: Leaching Behavior and Ecotoxicity

被引:11
作者
Mariakova, Diana [1 ]
Mocova, Klara Anna [2 ]
Fortova, Kristina [1 ]
Pavlu, Tereza [1 ]
Hajek, Petr [1 ]
机构
[1] Czech Tech Univ, Univ Ctr Energy Efficient Bldg, Res Team Architecture & Environm, Trinecka 1024, Bustehrad 27343, Czech Republic
[2] Univ Chem & Technol, Fac Environm Technol, Dept Environm Chem, Tech 5, Prague 16628, Czech Republic
关键词
high-performance concrete; waste glass powder; leachate; ecotoxicity; SILICA-FUME; RAW-MATERIAL; FLY-ASH; CEMENT; ALUMINUM; METALS;
D O I
10.3390/ma14164476
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
This paper deals with the possibility of using different types of waste glass powder in high-performance concrete (HPC) mixtures as a fine fraction replacement. Subsequently, both fractions are used in this research in concrete as a substitute for fine sand and silica flour. To use waste glass in a basic building material such as concrete, it is necessary to verify the basic chemical properties of the selected waste materials. Apart from the basic chemical properties, its environmental impact also appears to be an essential property of waste materials in general. Therefore, the research is mainly focused on the leaching and ecotoxicity experiments on high-performance concrete. HPC mixtures are designed based on the results of the analyzed chemical properties and previous research performed by our research team. Ecotoxicity of these concretes is then verified using Czech standards to evaluate. The results showed a positive impact on the ecotoxic properties of waste glass when used in concrete. A new ecotoxicity classification of waste materials and concrete mixes containing waste materials is proposed as a result of this research and summarized in the conclusion of this paper.
引用
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页数:18
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