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Published in:
2020 | OriginalPaper | Chapter
Analyses of Footing Resting on Confined Layered Sandy Soil
Authors : Apoorva M. Kulkarni, S. W. Thakare, A. I. Dhatrak
Published in: Construction in Geotechnical Engineering
Publisher: Springer Singapore
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Abstract
The confinement of soil is one type of technique used for improving bearing capacity of soil and reduces the settlement. This paper presents result of analyses carried out on the effect of soil confinement on the behaviour of circular footing resting on loose, medium dense, dense and layered sand bed subjected to vertical, eccentric, inclined and eccentric-inclined load. The parameter includes the confinement height, diameter and placement of confinement from base of footing, varying depth of layered sand bed. Analyses was carried out in PLAXIS 2D which is based on finite element method. From the analysis, load settlement curves were developed and ultimate bearing capacity was determined for various cases. The optimum values of diameter and height of circular confinement and its placement below the base of footing have been determined for different soil conditions.