Investigation of Consecutive Quay Piles Under the Effect of Submarine Landslide
Abstract
Dynamic responses of single piles and pile groups used in marine structures can be evaluated by both analytical and numerical methods. In the analysis of such structures, it is possible to model the dynamic behaviour by considering the structural properties of the piles, along with environmental loads such as wave effects, sediment movements and liquefiable soil conditions. Design parameters are of great importance in the calculation of the forces that will affect the piles. In this study, the motion of consecutive piles subjected to fluid soil pressure in the case of a seahorse landslide was numerically analysed. Liquefied soil motion was considered within the framework of a non-Newtonian fluid behaviour and was defined based on the Navier-Stokes equations. In line with the initial and boundary conditions determined within the scope of the study, the dynamic analysis of the pile was performed numerically by means of a software using the finite element method. Various models were made for different pile spacings in the defined marine environment where a D diameter cylindrical steel pipe type pile system was located, considering the external forces originating from liquefaction. The fluid soil pressures, and flow velocities formed around the piles were analysed separately for the developed model. In the results obtained, it was determined that no interaction was observed when the distance between the piles was 5D and above for the flow velocity V = 0.5 m/s. As a result of the analyses made for different flow velocities, the drag coefficient was obtained with the loads on the consecutive piles.
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References
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Details
Primary Language
English
Subjects
Marine Structures, Ocean Engineering, Maritime Engineering (Other)
Journal Section
Research Article
Early Pub Date
May 21, 2026
Publication Date
-
Submission Date
February 17, 2026
Acceptance Date
April 24, 2026
Published in Issue
Year 2026 Number: Advanced Online Publication