Experimental Study on Disintegration of Guilin Red Clay

Bao-Chen Liu, Liang-Yu Wang, Hao-Feng Zhou, Bai Yang (), Wei-Wei Xiao (), Fu-Kang Ling and Gang Peng
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Bao-Chen Liu: School of Architecture and Transportation Engineering, Guilin University of Electronic Technology, Guilin 541004, China
Liang-Yu Wang: College of Earth Exploration Science and Technology, Jilin University, Changchun 130026, China
Hao-Feng Zhou: School of Architecture and Transportation Engineering, Guilin University of Electronic Technology, Guilin 541004, China
Bai Yang: School of Architecture and Transportation Engineering, Guilin University of Electronic Technology, Guilin 541004, China
Wei-Wei Xiao: School of Architecture and Transportation Engineering, Guilin University of Electronic Technology, Guilin 541004, China
Fu-Kang Ling: China MCC5 Group Co., Ltd., Chengdu 610063, China
Gang Peng: China MCC5 Group Co., Ltd., Chengdu 610063, China

Sustainability, 2023, vol. 15, issue 10, 1-20

Abstract: In order to study the disintegration characteristics of red clay under different moisture content and temperature, red clay taken from Guilin was prepared into samples with different moisture content, and the disintegration test of red clay was carried out by self-made test equipment. Considering the influence of water absorption and weight gain in red clay, a parallel water absorption test was carried out for each disintegration test, and the disintegration amount–time relationship curve was corrected with the results of the water absorption test so as to propose a new disintegration amount calculation formula. In this experiment, the disintegration characteristics of red clay under different moisture content and temperature were investigated. The experimental results show that the disintegration amount decreases with the increase in moisture content, the moisture content exceeds 25%, and the red clay basically does not disintegrate within 2 h. The amount of disintegration increases with increasing temperature, but the disintegration of red clay in natural environments is not sensitive to temperature. The comprehensive analysis of moisture content and temperature shows that in the natural climate range, moisture content is the main influencing factor of soil disintegration.

Keywords: red clay; disintegration; water absorption; water content; temperature; microstructure (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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