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Derivation of Cyclic p-y Curves From Instrumented Dynamic Lateral Load Tests

Published online by Cambridge University Press:  05 May 2011

S.-S. Lin ,
C.-H. Lai ,
C.-H. Chen  and
T.-S. Ueng
S.-S. Lin*
Affiliation:
Department of Harbor and River Engineering, National Taiwan Ocean University, Keelung, Taiwan 20224, R.O.C.
C.-H. Lai*
Affiliation:
Department of Civil Engineering, National Taiwan University, Taipei, Taiwan 10617, R.O.C.
C.-H. Chen*
Affiliation:
Department of Civil Engineering, National Taiwan University, Taipei, Taiwan 10617, R.O.C.
T.-S. Ueng*
Affiliation:
Department of Civil Engineering, National Taiwan University, Taipei, Taiwan 10617, R.O.C.
*
* Professor, corresponding author
** Graduate student
** Graduate student
*** Professor
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Abstract

In this paper, an efficient method is proposed to derive cyclic p-y curves from either push-over or shaking table test results. The Fourier series function, satisfying the boundary conditions of a pile, is used to represent deflection behavior of the pile-soil system at each instant of time during loading interval. In order to obtain soil reaction along the pile shaft, convergence of the series after differentiation is guaranteed by applying the Cesaro sum technique. Results of four push-over tests and two other shaking table test results, conducted at the National Center for Research on Earthquake Engineering in Taiwan, are then used to verify the feasibility of the proposed method.

Keywords

PileCyclic p-y curveCesaro sum techniquePush-over testShaking table test
Type
Articles
Information
Journal of Mechanics , Volume 26 , Issue 2 , June 2010 , pp. 123 - 133
Copyright
Copyright © The Society of Theoretical and Applied Mechanics, R.O.C. 2010

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