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Vertical uplift resistance of circular plate anchors in clays under undrained condition

Khatri, Vishwas N and Kumar, Jyant (2009) Vertical uplift resistance of circular plate anchors in clays under undrained condition. In: Computers and Geotechnics, 36 (8). pp. 1352-1359.

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The vertical uplift resistance of circular plate anchors, embedded horizontally in a clayey stratum whose cohesion increases linearly with depth, has been obtained under undrained (phi = 0) condition. The axi-symmetric static limit analysis formulation in combination with finite elements proposed recently by the authors has been employed. The variation of the uplift factor (F,) with changes in the embedment ratio (H/B) has been computed for several rates of increases of soil cohesion with depth. It is noted that in all the cases, the magnitude of F-c increases continuously with depth up to a certain value of H-cr/B beyond which the uplift factor becomes essentially constant. The proposed static limit analysis formulation is seen to provide acceptable results even for the two other simple chosen axi-symmetric problems.

Item Type: Journal Article
Publication: Computers and Geotechnics
Publisher: Elsevier Science
Additional Information: Copyright for this article belongs to Elsevier Science.
Keywords: Anchors; Axisymmetry; Limit analysis; Optimization; Plasticity
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 07 Dec 2009 06:16
Last Modified: 19 Sep 2010 05:52
URI: http://eprints.iisc.ac.in/id/eprint/24961

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