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\begin{document}

\title{Effects of fly ash on the evaporation and cracking characteristics of
soda soil}



\author[1]{Binbin Yang}%
\author[2]{Jiawei Liu}%
\author[1]{xiaoming Zhao}%
\author[1]{Sen Zheng}%
\affil[1]{Xuchang University}%
\affil[2]{Henan University of Urban Construction}%


\vspace{-1em}



  
  \date{June 14, 2024}


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\begin{abstract}
Soil salinization seriously affects the movement of water in soil which
then affects soil stability and sustainability in industrial and
agricultural development. Fly ash, one of the most discarded solid
wastes from coal-fired power plants, has been widely used as a recycled
resource in recent years. The basic components of soda soil have been
investigated through laboratory experiments. Soda soil samples with
different amounts of fly ash are tested to study the changes in the
characteristics of the material due to changes in water content and
evaporation rate during drying. Changes in fractal and crack intensity
factor are calculated based on digital image processing technology. The
results show that the residual water content of soda soil increases from
8.55\% to 16.22\% with increases in the fly ash content. Fly ash can
improve the water retention capability of soda soil, with a rate of
increase of 89.68\%. The average length of the surface cracks gradually
decreases with increase in fly ash content, which indicates that fly ash
can effectively inhibit the development of surface cracking in soil. The
rate of cracking is an important measure for characterizing the
development of cracks by measuring the area of the cracks. The crack
area gradually decreases with increase in the fly ash content with
different rates of cracking. The rate of cracking with a fly ash content
of 10\% is relatively slow, which indicates that 10\% fly ash can
effectively reduce cracking in soda soil thus resulting in a high
residual water content.%
\end{abstract}%



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