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Experimental Study of the Water Retention Curve as a Function of Void Ratio
This article presents an experimental study of the water retention curve involving the measurement of void ratio on a drying path. Tests were conducted to determine the variations of water content w and void ratio e induced by variations of the suction s. This study concerns the whole hydric domain of the soil from saturation to dry state. To determine the water retention curve, we used a pressure cell for low suctions and a vapor equilibrium technique (salt solutions) for high suctions. This water retention curve is based on the constitutive relation between water content and suction, for a given void ratio. From saturation, this curve was investigated for different initial states due to different conditions of soil compaction. The results lead to the plotting of a characteristic surface w=w(s,e) which expresses water content as a function of suction and void ratio. It can be considered as a generalization of the classical retention curve. Moreover, this curve can be represented using the degree of saturation as function of suction and void ratio.
Experimental Study of the Water Retention Curve as a Function of Void Ratio
This article presents an experimental study of the water retention curve involving the measurement of void ratio on a drying path. Tests were conducted to determine the variations of water content w and void ratio e induced by variations of the suction s. This study concerns the whole hydric domain of the soil from saturation to dry state. To determine the water retention curve, we used a pressure cell for low suctions and a vapor equilibrium technique (salt solutions) for high suctions. This water retention curve is based on the constitutive relation between water content and suction, for a given void ratio. From saturation, this curve was investigated for different initial states due to different conditions of soil compaction. The results lead to the plotting of a characteristic surface w=w(s,e) which expresses water content as a function of suction and void ratio. It can be considered as a generalization of the classical retention curve. Moreover, this curve can be represented using the degree of saturation as function of suction and void ratio.
Experimental Study of the Water Retention Curve as a Function of Void Ratio
Salager, S. (author) / El Youssoufi, M. S. (author) / Saix, C. (author)
Geo-Denver 2007 ; 2007 ; Denver, Colorado, United States
2007-10-14
Conference paper
Electronic Resource
English
Experimental Study of the Water Retention Curve as a Function of Void Ratio
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