Effect of Earthquake on a Single Pile Located in Sloping Ground

Effect of Earthquake on a Single Pile Located in Sloping Ground

R. Deendayal (National Institute of Technology, Tiruchirappalli, India), T. G. Sitharam (Department of Civil Engineering, Indian Institute of Science, Bangalore, India) and K. Muthukkumaran (National Institute of Technology, Tiruchirappalli, India)
Copyright: © 2016 |Pages: 16
DOI: 10.4018/IJGEE.2016010104
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Abstract

Piles are often constructed on natural slope such as sea bed slope in off-shore structures. When piles are constructed on sloping ground, the behaviour of piles under earthquake loading is different from the piles on horizontal ground surface. The dynamic response of a pile subjected to external excitation is a complex phenomenon resulting from the interactions between the pile and the surrounding soil. In the present study, a finite element analysis of a single field pile located on sloping ground was carried out. A single pile of length 30m with embedment length to diameter ratios (L/D) 20, 25 and 30 was located on a crest of soft clay of slopes 1V:1H and 1V:5H, and subjected to dynamic earthquake loading (California Earthquake,1990). From the study, the behaviour of acceleration with time, lateral displacement and bending moment behavior along the pile shaft was studied.

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