Single Pile Response to Cyclic Lateral Loadby Harry G. Poulos, (M.ASCE), Reader in Civ. Engrg.; School of Civ. and Mining Engrg., Univ. of Sydney, N.S.W., Australia, 2006,
Serial Information: Journal of the Geotechnical Engineering Division, 1982, Vol. 108, Issue 3, Pg. 355-375
Document Type: Journal Paper
An analysis is presented for the deflection of a pile in clay subjected to quasi-static cyclic lateral loading. This analysis is an extension of the elastic continuum analysis for static pile response, and allows for the reduction of soil modulus and yield pressure with increasing cyclic strain or deflection. A number of theoretical solutions are presented to illustrate the factors influencing the increase in deflection and bending moment in the pile with increasing cycles and cyclic load level. Some of these solutions are presented in dimensionless form as correction factors which may be applied to the computed static response of a pile. Some comparisons are made between the theoretical behaviour and that measured in field tests, and these demonstrate that the theory reproduces the observed characteristics of behaviour of the pile. They also give an indication of the order of magnitude of some of the key variables in the cyclic response analysis.
Subject Headings: Lateral loads | Piles | Cyclic loads | Soil analysis | Elastic analysis | Displacement (mechanics) | Statics (mechanics) | Soil modulus
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