Journal
INTERNATIONAL JOURNAL FOR NUMERICAL AND ANALYTICAL METHODS IN GEOMECHANICS
Volume 40, Issue 2, Pages 159-184Publisher
WILEY-BLACKWELL
DOI: 10.1002/nag.2388
Keywords
pipe pile; lateral dynamic response; analytical solution; saturated soil
Funding
- 111 project [B13024]
- National Natural Science Joint High Speed Railway Key Program Foundation of China [U1134207]
- program for new century excellent talents in university [NCET-12-0843]
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This paper presents an analytical solution for the lateral dynamic response of a pipe pile in a saturated soil layer. The wave propagations in the saturated soil and the pipe pile are simulated by Biot's three-dimensional poroelastic theory and one-dimensional elastic theory, respectively. The governing equations of soil are solved directly without introducing potential functions. The displacement response and dynamic impedances of the pipe pile are obtained based on the continuous conditions between the pipe pile and both the outer and inner soil. A comparison with an existing solution is performed to verify the proposed solution. Selected numerical results for the lateral dynamic responses and impedances of the pipe pile are presented to reveal the lateral vibration characteristics of the pile-soil system. Copyright (C) 2015 John Wiley & Sons, Ltd.
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