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Bearing capacity of piles in soft clay underlaid by cohesive frictional soil

Chakraborty, Debarghya and Kumar, Jyant (2013) Bearing capacity of piles in soft clay underlaid by cohesive frictional soil. In: International Journal of Geomechanics, 13 (3). pp. 311-317.

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Official URL: http://dx.doi.org/10.1061/(ASCE)GM.1943-5622.00002...


By using the axisymmetric quasi-lower bound finite-element limit analysis, the bearing capacity factors N-c(p) and N-gamma q(p) have been computed for axially loaded piles, with the shaft embedded in a fully cohesive soil medium and the tip placed over cohesive frictional soil strata. The results were obtained for various combinations of L/D, phi(l), and c(l)/c(u); the subscripts l and u refer to lower and upper soil strata, respectively. The factors N-c(p) and N-gamma q(p) increase continuously with increases in L/D and phi(l); the rate of increase of N-c(p) and N-gamma q(p) with L/D, however, decreases with an increase in L/D. For c(l)/c(u) > 100, the factor N-c(p) hardly depends on L/D.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American Society of Civil Engineers.
Keywords: Limit State Design/Analysis; Numerical Modeling; Piles; Plasticity
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Depositing User: Francis Jayakanth
Date Deposited: 11 Jul 2013 05:42
Last Modified: 11 Jul 2013 05:42
URI: http://eprints.iisc.ac.in/id/eprint/46783

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