Prediction of load displacement response of single piles under uplift load |
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Authors: | Shubhra Goel Nihar Ranjan Patra |
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Institution: | (1) Department of Civil Engineering, Geotechnical Divison, IIT, Kanpur, UP, 208016, India |
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Abstract: | Load displacement response and ultimate resistance of piles in sand under uplift load are predicted by load transfer approach.
The pile is divided into number of segments and assigned geometrical and material properties according to actual soil pile
situation. The shaft resistance is obtained analytically in accordance with existing studies. The proposed method takes into
account the length, diameter and relevant surface characteristics of pile and soil properties. The load displacement characteristics
and the value of uplift capacity of vertical piles from field test have been predicted. Reasonable agreement has been found
out between predicted and observed values of uplift capacity. Load transfer mechanism is capable of predicting the nonlinear
variation of load-displacement response of piles. |
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Keywords: | Load displacement response Uplift load Load transfer mechanism Pile soil interaction Shaft resistance |
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