Journal of Zhejiang University-SCIENCE A

, Volume 2, Issue 2, pp 179–185 | Cite as

Determining driving resistance with rebound of pile-top during pile driving

Science & Engineering

Abstract

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.

Key words

pile pile driving soil resistance Smith model rebound 

Document code

CLC number

TU473.1+

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References

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Copyright information

© Zhejiang University Press 2001

Authors and Affiliations

  1. 1.Geotechnical Engineering InstituteDept. of Civil Engineering of Zhejiang UniversityHangzhouChina

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