-Based Solutions for Slope Stabilizing Piles
Publication: International Journal of Geomechanics
Volume 13, Issue 3
Abstract
This paper proposes an equivalent load transfer approach for simulating the response of passive piles owing to soil movement. The approach is elaborated for two commonly seen (normal and deep) sliding modes. In terms of compatibility conditions across sliding and stable layers, new coupled elastic (sliding layer)-elastic (stable layer) (E-E) solutions, and plastic (sliding layer)– elastic-plastic (stable layer) (P-EP) solutions are developed. The solutions are implemented into a program called GASMove operating in the mathematical software Mathcad. They are compared with available numerical analyses, and employed to the predict response of eight instrumented piles. The study reveals the proposed equivalent load–soil movement relationship works well along with the solutions; the E-E solution generally offers good prediction for piles with infinite lengths in both sliding and stable layers (deep sliding mode); the P-EP solution is good for piles rotating rigidly in a sliding layer (normal sliding mode); and similar predictions may be gained from different sets of and profiles, as with laterally loaded piles, but a linear should be used for the stable layer to gain the smallest pile resistance. Design charts are generated to facilitate the prediction of a nonlinear response of passive piles, for which example predictions are elaborated.
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Information
Published In
International Journal of Geomechanics
Volume 13 • Issue 3 • June 2013
Pages: 292 - 310
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Oct 27, 2010
Accepted: Dec 14, 2011
Published online: Dec 17, 2011
Published in print: Jun 1, 2013
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