Mandel–Cryer Effect in Vacuum Consolidation—a Numerical Study

Kumar, Ayush and Saride, Sireesh (2020) Mandel–Cryer Effect in Vacuum Consolidation—a Numerical Study. Lecture Notes in Civil Engineering, 85. pp. 997-1004. ISSN 2366-2557

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Dissipation of pore water pressure during vacuum consolidation is a complex phenomenon and is not uniform about the soil stratum. It is rapid near the drainage boundaries and becomes gradual with the distance away from the drainage boundary. However, it is observed from coupled deformation studies that pore water pressure undergoes an initial rise between the two drainage boundaries before they finally decrease. This excess rise in pore water pressure due to the application of external load is called as Mandel–Cryer effect. Because of possible experimental errors and ramp nature of loading in the field, this effect is difficult to be captured in situ. Besides, the dependency of this effect on Poisson’s ratio (v) of soil mass has been cited in the literature. To have a better understanding of this behaviour under vacuum pressure, a 2D numerical study has been conducted and the influence of Poisson’s ratio on the change in pore water pressure and horizontal displacements under vacuum pressure is discussed in this paper.

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IITH Creators:
IITH CreatorsORCiD
Saride, SireeshUNSPECIFIED
Item Type: Article
Uncontrolled Keywords: Coupled deformation; Dissipation of pore water pressures; Experimental errors; External loads; Horizontal displacements; Pore-water pressures; Vacuum consolidations; Vacuum pressure
Subjects: Civil Engineering
Divisions: Department of Civil Engineering
Depositing User: . LibTrainee 2021
Date Deposited: 19 Jul 2021 04:07
Last Modified: 19 Jul 2021 04:07
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