V., Feng, W. In the study of dimensions and roundness for four soil samples during different freeze-thaw cycles it was concluded that the freeze-thaw affects both the aspect and the radius of particle, while the angle ratios of the particles are generally spread in the range of 1-4 which accounts for over 98% of the percent of the particle’s aspect ratio distribution.1 J. & Zhang, Z. Furthermore, it has been observed in the case of particle aspect ratios that exceed 1.26, the proportion that particles have is highest while the particles appear the most durable. Q. The percentage of particles with an aspect ratios higher than 4 is less than 1% and the particles are difficult to break.1

The impact of freeze-thaw cycles upon the composition of granulometrics in Moscow morainic clay. The repeated freezing and thawing process can cause not just fragmentation edges of particles as well as increased roundness, but can also lead to the fragmentation of large-sized particles as well as a reduction in roundness of the particles.1 Sci. Comparing the roundness before freeze-thaw, the roundness after 100 freeze-thaw cycles, rough sand’s roundness increased 0.1715. Cold Arid Reg. 7 , 199-205 (2015).

It was the case that coarse sand’s roundness was increased most, which means how round the particles that have big particle size was the highest.1 Pettijohn, F. Data availability. J. All or some of the data generated or utilized in the course of the study are available to the author upon request. Sedimentary Rocks 718 (Harper and Brothers, 1957).

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