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2024
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Brief Introduction of Working Principle of Fly Ash
Author :
Fly ash is a kind of solid waste produced in the process of coal combustion, which is widely used in concrete engineering and other fields. The working principle of fly ash is of great significance for its application.
Fly ash refers to the fine granular powder formed by the capture and condensation of ash produced during the combustion of coal in coal-fired boilers. Its working principle mainly includes the following aspects
First of all, the silicate, iron oxide and other chemical components contained in the fly ash can react and crystallize, so that it has a bonding effect in the cement matrix. This bonding effect can fill the micropores and cracks in the concrete, thereby improving the strength and durability of the concrete.
Secondly, fly ash also has the characteristics of fine particles and spherical particles, which can increase the fluidity of concrete and improve the working performance of concrete. These characteristics make the dispersion of fly ash in cement concrete better, which is conducive to the pouring and construction of concrete.
In addition, chemical elements such as silicate and iron oxide in fly ash can also react with the hydration products of cement to form new cementitious substances, thereby promoting the hardening process of concrete. This chemical action also helps to improve the strength and compressive properties of concrete.
In summary, the application of fly ash in concrete engineering is based on its various working principles, including chemical bonding, particle properties and chemical reactions. By deeply understanding the working principle of fly ash, we can make better use of this resource and improve the quality and performance of concrete projects.
First of all, the silicate, iron oxide and other chemical components contained in the fly ash can react and crystallize, so that it has a bonding effect in the cement matrix. This bonding effect can fill the micropores and cracks in the concrete, thereby improving the strength and durability of the concrete.
Secondly, fly ash also has the characteristics of fine particles and spherical particles, which can increase the fluidity of concrete and improve the working performance of concrete. These characteristics make the dispersion of fly ash in cement concrete better, which is conducive to the pouring and construction of concrete.
In addition, chemical elements such as silicate and iron oxide in fly ash can also react with the hydration products of cement to form new cementitious substances, thereby promoting the hardening process of concrete. This chemical action also helps to improve the strength and compressive properties of concrete.
In summary, the application of fly ash in concrete engineering is based on its various working principles, including chemical bonding, particle properties and chemical reactions. By deeply understanding the working principle of fly ash, we can make better use of this resource and improve the quality and performance of concrete projects.
Ⅱ Fly ash
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