Rajashree, SS and Sitharam, TG (2000) Nonlinear cyclic load analysis for lateral response of batter piles in soft clay with a rigorous degradation model. In: GEOSHORE - International Conference on Offshore and Nearshore Geotechnical Engineering, December 2-3, 1999, Oxford & IBH, New Delhi (India).
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Nonlinear analysis of batter piles in soft clay is performed using the finite element technique. As the batter piles are not only governed by lateral load but also axial load, the effect of P- Delta moment and geometric stiffness matrix is included in the analysis. For implementing the nonlinear soil behavior, reduction in soil strength (degradation), and formation of gap with number of load cycles, a numerical model is developed where a hyperbolic relation is adopted for the soil in static condition and hyperbolic relation considering degradation and gap for cyclic load condition. The numerical model is validated with published experimental results for cyclic lateral loading and the hysteresis loops are developed to predict the load-deflection behavior and soil resistance behavior during consecutive cycles of loading. This paper highlights the importance of a rigorous degradation model for subsequent cycles of loading on the pile-soil system by a hysteretic representation.
| Item Type: | Conference Paper |
|---|---|
| Publisher: | A A Balkema |
| Additional Information: | Copyright of this article belongs to A A Balkema. |
| Department/Centre: | Division of Mechanical Sciences > Civil Engineering |
| Date Deposited: | 22 Mar 2012 08:46 |
| Last Modified: | 22 Mar 2012 08:46 |
| URI: | http://eprints.iisc.ac.in/id/eprint/43897 |
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