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Influence of Confining Stress on the Effective Stress Parameter
An experimental program was planned to investigate the effect of confining stress on the air entry and air expulsion values in the drying and wetting process, respectively. For this purpose, soil-water retention curve of the soil is determined under two different applied net stresses. A novel miniature pressure plate apparatus is designed to determine the SWRCs under different net stresses. The soil specimens are then sheared in a suction -controlled triaxial apparatus and the shear stress of the soil is determined. The measurements were carried out under net confining stresses identical to the net stresses for which the SWRCs were obtained. Finally, variations of the χ-parameter during drying and wetting process are presented.
Influence of Confining Stress on the Effective Stress Parameter
An experimental program was planned to investigate the effect of confining stress on the air entry and air expulsion values in the drying and wetting process, respectively. For this purpose, soil-water retention curve of the soil is determined under two different applied net stresses. A novel miniature pressure plate apparatus is designed to determine the SWRCs under different net stresses. The soil specimens are then sheared in a suction -controlled triaxial apparatus and the shear stress of the soil is determined. The measurements were carried out under net confining stresses identical to the net stresses for which the SWRCs were obtained. Finally, variations of the χ-parameter during drying and wetting process are presented.
Influence of Confining Stress on the Effective Stress Parameter
Tavakoli, Mohammad Hossein (author) / Habibagahi, Ghassem (author)
Fifth Biot Conference on Poromechanics ; 2013 ; Vienna, Austria
Poromechanics V ; 1382-1389
2013-06-18
Conference paper
Electronic Resource
English
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