Experimental Investigations on Performance of Spin Fin Pile under Different Loading Modes
Prof. S. W. Thakare
Associate Professor, Department of Civil Engineering, Government College of Engineering, Amravati, India , IN
P. P. Wankhade
Associate Professor, Department of Civil Engineering, Government College of Engineering, Amravati, India , IN
Dr. A. I. Dhatrak
Associate Professor, Department of Civil Engineering, Government College of Engineering, Amravati, India , IN
Keywords: Spin Fin Pile, Ultimate load capacity, Lateral load capacity, Uplift load capacity.
Abstract
Spin Fin Pile is new pile-modification strategy that has four plates welded to the top or to the bottom of a traditional monopile at 90° to each other. In this paper, comparative results of experimental investigations of model piles of conventional circular pile and Spin Fin Pile embedded in sand bed are presented. In the experimental investigation, three different positions of fins in the spin fin pile were considered viz., fins at bottom, middle and top of the pile. Ultimate capacities of piles are compared with those of conventional circular pile with same diameter and length. The results show that Spin Fin Pile with fins at bottom provides much higher vertical and uplift capacity to the extent 102 % and 83 % respectively compared to that of conventional circular pile. Spin Fin Pile with fins at top provides higher lateral load capacity to the extent 25 % compared to conventional circular pile.
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