Study on water migration and the microstructure of unsaturated expansive clays
Qiuyan Liu,
Mingwu Wang
Abstract:Because of the characteristics of water-swelling and drying shrinkage, the mechanical performances of expansive clay in semi-arid areas deteriorate with the change in humidity and temperature. So investigating the moisture migration in expansive clays is of great significance. Herein, scanning electron microscopy test and water migration tests of unsaturated soil were carried out to address the water variation law and microscopic mechanism in the unsaturated expansive clay. It is found that small and medium-si… Show more
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