Research on the Retention Capacity of Ruins Soil under Drying Condition

Ping Liu; Hu Yuan Zhang; Yi Chen; Xian Xian Shao; Xin Yuan Fu

doi:10.4028/www.scientific.net/AMM.580-583.705

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 580-583Research on the Retention Capacity of Ruins Soil...

Research on the Retention Capacity of Ruins Soil under Drying Condition

Abstract:

The soil water characteristic curve (SWCC) has been tested during the drying process. In order to define the relationship between suction, degree of saturation and void ratio, fitting models of SWCC was established. Studies have shown that the shape of SWCC of three kinds of samples (taken from Jiaohe, Gaochang and Jiuzhoutai) was similar to the inverted “S”, the relationship between water content and matric suction was inversely proportional. Under the condition of the same moisture, the matric suction of the Jiaohe and Gaochang samples were greater than the Jiuzhoutai samples, and the changes of pore water pressures showed the same trend. The degree of saturation began to decrease when the water content reduced to the air entry value. When the degree of saturation was greater than 90%, the volume of soil samples contracted significantly, and when saturation is below 80%, volume shrinkage stopped.

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Periodical:

Applied Mechanics and Materials (Volumes 580-583)

Pages:

705-710

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.580-583.705

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Online since:

July 2014

Authors:

Ping Liu*, Hu Yuan Zhang, Yi Chen, Xian Xian Shao, Xin Yuan Fu

Keywords:

Matric Suction, Retention Capacity, Ruins, Shrinkage

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* - Corresponding Author

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