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Journals / Dicle Üniversitesi Mühendislik Fakültesi Mühendislik Dergisi / 2026 / Cilt: 17 Sayı: 2

Influence of Tuned Liquid Dampers on Plastic Deformations and Residual Displacements of Reinforced Concrete Buildings under Seismic Excitation

Deprem Etkisi Altında Betonarme Binalarda Ayarlı Sıvı Sönümleyicilerin Plastik Şekil Değiştirmeler ve Kalıcı Yer Değiştirmeler Üzerindeki Etkisi

Birkan Dağ(YILDIZ TEKNİK ÜNİVERSİTESİ)0000-0001-7563-6511
Muzaffer Börekçi(YILDIZ TEKNİK ÜNİVERSİTESİ)0000-0002-8684-6159
Mustafa Gençoğlu(İSTANBUL TEKNİK ÜNİVERSİTESİ)0000-0003-0051-3511
Pages
—
Publication Date
2026-07-27
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AI Summary & Key Takeaways

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

The results indicate that while increasing the mass ratio may lead to higher plastic deformation demands in certain cases, it consistently reduces residual displacements.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Control systems such as base isolators and dampers are widely used to reduce the seismic energy input to structures.
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Key Findings & Data:Among passive control devices, Tuned Liquid Dampers (TLDs) mitigate structural vibrations through sloshing of the contained liquid, which generates counteracting inertial forces without requiring external power.
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Conclusion & Impact:The results indicate that while increasing the mass ratio may lead to higher plastic deformation demands in certain cases, it consistently reduces residual displacements.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:Ayarlı sıvı sönümleyiciler · pasif kontrol sistemleri · deprem performansı

Abstract

Control systems such as base isolators and dampers are widely used to reduce the seismic energy input to structures. Among passive control devices, Tuned Liquid Dampers (TLDs) mitigate structural vibrations through sloshing of the contained liquid, which generates counteracting inertial forces without requiring external power. The effectiveness of TLD systems strongly depends on the selected mass ratio. This study evaluates the influence of TLD mass ratio on the seismic performance of a 10-story reinforced concrete frame building, with particular emphasis on plastic deformation demands and seismic-induced residual displacements. TLDs with different mass ratios are considered to assess their impact on interstory drift, column plastic rotations, and post-earthquake residual response. The results indicate that while increasing the mass ratio may lead to higher plastic deformation demands in certain cases, it consistently reduces residual displacements. Among the investigated configurations, a 5% mass ratio provides the most balanced performance, achieving significant reductions in residual displacement without substantial amplification of deformation demands. These findings highlight the importance of carefully tuning TLD mass ratio to achieve improved post-earthquake functionality while avoiding adverse increases in structural demand.

Özet

Yapılara giren deprem enerjisini azaltmak amacıyla izolatörler ve sönümleyiciler gibi kontrol sistemleri yaygın olarak kullanılmaktadır. Pasif kontrol sistemleri arasında yer alan Ayarlı Sıvı Sönümleyiciler (ASS), içerdiği sıvının çalkalanma hareketi sayesinde, herhangi bir dış enerji kaynağına ihtiyaç duymadan yapısal titreşimleri azaltan karşıt atalet kuvvetleri oluşturur. ASS sistemlerinin etkinliği büyük ölçüde seçilen kütle oranına bağlıdır. Bu çalışma, 10 katlı betonarme çerçeve bir binanın deprem performansı üzerinde ASS kütle oranının etkisini, özellikle plastik şekil değiştirme talepleri ve deprem sonrası oluşan kalıcı yer değiştirmeler açısından incelemektedir. Farklı kütle oranlarına sahip ASS sistemleri değerlendirilerek katlar arası ötelenme oranı, kolon plastik dönmeleri ve deprem sonrası kalıcı yerdeğiştirme tepkileri üzerindeki etkileri araştırılmıştır. Sonuçlar, kütle oranının artırılmasının bazı durumlarda plastik şekil değiştirme taleplerini yükseltebildiğini; ancak kalıcı yer değiştirmeleri tutarlı bir şekilde azalttığını göstermektedir. İncelenen konfigürasyonlar arasında %5 kütle oranı, plastik şekil değiştirme taleplerinde önemli bir artışa neden olmadan kalıcı yer değiştirmede belirgin azalma sağlayarak en dengeli performansı sunmuştur. Bu bulgular, deprem sonrası yapısal işlevselliğin iyileştirilmesi ve yapısal taleplerde olumsuz artışların önlenmesi açısından ASS kütle oranının dikkatli bir şekilde ayarlanmasının önemini ortaya koymaktadır.

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Cite This Article

Dağ, B., Börekçi, M., Gençoğlu, M. (2026). Influence of Tuned Liquid Dampers on Plastic Deformations and Residual Displacements of Reinforced Concrete Buildings under Seismic Excitation. Dicle Üniversitesi Mühendislik Fakültesi Mühendislik Dergisi, Cilt: 17 Sayı: 2. https://doi.org/10.24012/dumf.1895930

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