Experimental Study on Disintegration of Guilin Red Clay

被引:3
|
作者
Liu, Bao-Chen [1 ]
Wang, Liang-Yu [2 ,3 ]
Zhou, Hao-Feng [1 ]
Yang, Bai [1 ]
Xiao, Wei-Wei [1 ]
Ling, Fu-Kang [3 ]
Peng, Gang [3 ]
机构
[1] Guilin Univ Elect Technol, Sch Architecture & Transportat Engn, Guilin 541004, Peoples R China
[2] Jilin Univ, Coll Earth Explorat Sci & Technol, Changchun 130026, Peoples R China
[3] China MCC5 Grp Co Ltd, Chengdu 610063, Peoples R China
基金
中国国家自然科学基金;
关键词
red clay; disintegration; water absorption; water content; temperature; microstructure; WATER-RETENTION CURVE; BEHAVIOR;
D O I
10.3390/su15107833
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
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.
引用
收藏
页数:20
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