Abstract
The stability of super-long piles that are supported laterally along part of their length or their entire length by an elastic Winkler foundation is investigated for the case when the coefficient of subgrade reaction is the general power distribution and the skin friction develops along the embedded pile length. Based on the potential energy method, taking into account the characteristic of load-transfer of super-long pile, the deflection functions for six different boundary conditions developed using the Rayleigh-Ritz method are analyzed in this paper. The applicability of the proposed analytical solution is validated against results of pile load tests reported in the literate. Therefore, the proposed method is considered promising for practical use.
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