Journal
APPLIED OCEAN RESEARCH
Volume 98, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.apor.2020.102110
Keywords
Pile foundation; Double-layered nonhomogeneous soil deposits; Torsional bearing capacity; Analytical method; Circular pile; Offshore engineering
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Funding
- National Natural Science Foundation of China [51578231, 51378197]
- Research on Stability of Residual Soil Slope under Seepage and New Ecological Protection Technology [2018-ZJKJ-PTJS01]
- State Key Laboratory of Subtropical Building Science, South China University of Technology [2017KA04]
- Science and technology program of Guangzhou [201707020047]
- Sino-German Mobility Programme [M-0045]
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Response of piles subjected to torsional loading is significantly affected by soil profile and the interaction between soil and pile, which has not yet been fully understood. This paper describes a new analytical method for predicting the nonlinear response of torsional loaded piles in a double-layer soil profile, which considers the effect of elastoplastic behaviour of soil and the nonlinear variation of soil profile. The results from the new method have been compared with experimental and other published data, with good agreement obtained. Finally, an illustrative example has been carried out to explain how the new method can be applied to a practical situation.
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