Geomechanics and Engineering A

Volume 7, Number 6, 2014, pages 679-703

DOI: 10.12989/gae.2014.7.6.679

Nonlinear response of laterally loaded rigid piles in sand

Hongyu Qin and Wei Dong Guo

Abstract

This paper investigates nonlinear response of 51 laterally loaded rigid piles in sand. Measured response of each pile test was used to deduce input parameters of modulus of subgrade reaction and the gradient of the linear limiting force profile using elastic-plastic solutions. Normalised load - displacement and/or moment - rotation curves and in some cases bending moment and displacement distributions with depth are provided for all the pile tests, to show the effect of load eccentricity on the nonlinear pile response and pile capacity. The values of modulus of subgrade reaction and the gradient of the linear limiting force profile may be used in the design of laterally loaded rigid piles in sand.

Key Words

piles; lateral loading; shear modulus; modulus of subgrade reaction; ultimate soil resistance

Address

(1) Hongyu Qin: School of Engineering, Griffith University, Gold Coast, QLD 4222, Australia; (2) Wei Dong Guo: School of Civil, Mining and Environmental Engineering, University of Wollongong, NSW 2522, Australia.