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dc.contributor.authorNayak, S.
dc.contributor.authorShivashankar, R.
dc.contributor.authorBabu, M.R.D.
dc.date.accessioned2020-03-31T08:42:39Z-
dc.date.available2020-03-31T08:42:39Z-
dc.date.issued2011
dc.identifier.citationProceedings of the Institution of Civil Engineers: Ground Improvement, 2011, Vol.164, 2, pp.97-106en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/13004-
dc.description.abstractStone columns are often used as an effective technique for improving the performance of soft ground. Stone columns derive their load-carrying capacity due to lateral confinement from the surrounding soil. Very soft soils offer very low lateral confinement, leading to large settlements and low load-carrying capacities. In this paper, an alternative method of enhancing the performance of stone columns in soft soils by reinforcing the stone columns with circumferential nails driven vertically is suggested. The method was developed in laboratory-scale model tests and a series of plate load tests were performed in unit cell tanks to investigate the performance of stone columns reinforced with circumferential nails. The investigation was carried out by varying the depth of nails below ground level, the number of nails and the diameter of nails with different diameter stone columns and area ratios (orspacing). It was found that the circumferentially reinforced stone columns have much higher load-carrying capacity with a significant reduction in settlement and less lateral bulging in comparison with plain stone columns.en_US
dc.titlePerformance of stone columns with circumferential nailsen_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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