Determining driving resistance with rebound of pile-top during pile driving
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This paper presents a method to determine driving resistance with rebound of pile-top during pile driving. The soil around the pile shaft is assumed to be rigid-plastic, while that under the pile-tip is assumed to be ideally elastoplastic. The driving force acting on the pile-top is simplified to a triangular impact force. The kinematic equation of the pile-tip is established. From the one-dimensional wave equation, the movements of the pile-tip and pile-top are determined. The rebound at the pile-top can be written in a very concise form. It is shown that the shaft resistance makes the rebound at the pile-top decrease. In particular, when the pile is very long or the soil around the pile is very stiff, the decrease is very obvious.
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- Determining driving resistance with rebound of pile-top during pile driving
Journal of Zhejiang University SCIENCE A
Volume 2, Issue 2 , pp 179-185
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- Zhejiang University Press
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- pile driving
- soil resistance
- Smith model
- TU473.1+ 3
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