Abstract
Expansive soils are considered as one of the most challenging soils due to their enormous volume variations. These volumetric alterations pose problem of stability of structures particularly the lightly encumbered structures founded on them. The bearing capacity of these soils is very low and uplift load resistance is almost nil. Development of cracks takes place on the structures originated on expansive soils. Granular Anchor Pile (GAP) is a new foundation practice to increase pullout behavior and bearing capacity of foundations founded on expansive soil. In the present paper, a numerical study was carried out to predict the behavior of GAP in expansive soil using three-dimensional finite element PLAXIS software. The effect of modulus of elasticity of soil and position of water table on the uplift capacity at different prescribed displacements was examined using load-displacement curves. With the increase in value of elasticity modulus of soil there was an increase in uplift resistance of the GAP system. With the rise in water table to the ground surface, the uplift capacity of GAP system decreased.
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Abhishek, Sharma, R.K. (2019). Effect of Modulus of Elasticity and Water Table on Uplift Capacity of Granular Anchor Pile: An FEM Approach. In: Agnihotri, A., Reddy, K., Bansal, A. (eds) Sustainable Engineering. Lecture Notes in Civil Engineering, vol 30. Springer, Singapore. https://doi.org/10.1007/978-981-13-6717-5_18
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