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Journals / Journal of Naval Sciences and Engineering / 2026 / Volume: 22 Issue: 1

Investigation of Consecutive Quay Piles Under the Effect of Submarine Landslide

Deniztabanı Sıvılaşmış Zemin Akışı Etkisindeki Ardışık Rıhtım Kazıklarının İncelenmesi

Muhammet Ensar Yiğit(MANİSA CELÂL BAYAR ÜNİVERSİTESİ)0000-0003-0161-7144
Ümit Gökkuş(MANISA CELAL BAYAR UNIVERSITY)0000-0002-2422-6392
Pages
—
Publication Date
2026-06-26
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

As a result of the analyses made for different flow velocities, the drag coefficient was obtained with the loads on the consecutive piles.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Dynamic responses of single piles and pile groups used in marine structures can be evaluated by both analytical and numerical methods.
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Key Findings & Data:The fluid soil pressures, and flow velocities formed around the piles were analysed separately for the developed model.
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Conclusion & Impact:As a result of the analyses made for different flow velocities, the drag coefficient was obtained with the loads on the consecutive piles.
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:Fluid-structure interaction · Hydrodynamics · Non-newtonian flow

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.

Özet

Deniz yapılarında kullanılan tekil kazıklar ile kazık gruplarının dinamik tepkileri hem analitik hem de sayısal yöntemlerle değerlendirilebilmektedir. Bu tür yapıların analizinde, dalga etkileri, tortu hareketleri ve sıvılaşabilen zemin koşulları gibi çevresel yüklerle birlikte, yapının işlevsel ve yapısal yükleri ile kazıklara ait yapısal özellikler dikkate alınarak dinamik davranışın modellenmesi mümkündür. Kazıklara etkiyecek kuvvetlerin hesabında tasarım parametreleri büyük önem arz eder. Bu çalışmada denizatı heyelan durumunda akıcı zemin basıncına maruz ardışık kazıkların hareketi sayısal olarak analiz edilmiştir. Sıvılaşmış zemin hareketi, Newtonyen olmayan bir akışkan davranışı çerçevesinde ele alınmış ve Navier-Stokes denklemleri temel alınarak tanımlanmıştır. Çalışma kapsamında belirlenen başlangıç ve sınır koşulları doğrultusunda, sonlu elemanlar yöntemi kullanan bir yazılım aracılığıyla kazığın dinamik analizi sayısal olarak gerçekleştirilmiştir. D çapında çelik silindirik boru tipi bir kazık sisteminin yer aldığı tanımlı deniz ortamında, sıvılaşmadan kaynaklanan dış kuvvetler dikkate alınarak, farklı kazık aralıkları için çeşitli modellemeler yapılmıştır. Kazıklar etrafında oluşan akışkan zemin basınçları ve akış hızları geliştirilen model için ayrı ayrı analiz edilmiştir. Elde edilen sonuçlarda Akış hızı V=0.5 m/s için kazıklar arası mesafenin 5D ve üzeri olması durumunca etkileşim gözlenmediği belirlenmiştir. Değişik akım hızları için yapılan analizler sonucu ardışık kazık üzerine gelen yükler ile sürükleme katsayısı elde edilmiştir.

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Cite This Article

Yiğit, M. E., Gökkuş, Ü. (2026). Investigation of Consecutive Quay Piles Under the Effect of Submarine Landslide. Journal of Naval Sciences and Engineering, Volume: 22 Issue: 1. https://doi.org/10.56850/jnse.1891713

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