Journals / Türk Deprem Araştırma Dergisi / 2022 / Cilt: 4 Sayı: 1

Investigation of Shear Strength and Deformation Capacity Models of Reinforced Concrete Columns

Betonarme Dairesel Kolonların Kesme Dayanımı ile Deformasyon Kapasite Modellerinin Araştırılması

Pages
26–41
Publication Date
2022-06-08
DOI
—
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AI Summary & Key Takeaways

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

It is seen that the shear strength obtained from the analysis for reinforced concrete columns is affected by the axial load level, concrete compressive strength, spiral reinforcement ratio and displacement ductility values.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:At the pre-collapse seismic performance level, there is a need to model and estimate the decrease in the lateral load and axial load carrying capacities of the shear-sensitive reinforced concrete columns the effects of such behavior on the entire structure.
📊
Key Findings & Data:The shear behavior and deformation capacity of the designed reinforced concrete columns were investigated according to the models proposed by ASCE/SEI 41 (2017) and the researchers.
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Conclusion & Impact:It is seen that the shear strength obtained from the analysis for reinforced concrete columns is affected by the axial load level, concrete compressive strength, spiral reinforcement ratio and displacement ductility values.
🔬Design:Modeling & Simulation
📍Scope:2017 Verileri
⚙️Variables:Betonarme yapılar · Kesme mukavemeti · Yer değiştirme sünekliği

Abstract

At the pre-collapse seismic performance level, there is a need to model and estimate the decrease in the lateral load and axial load carrying capacities of the shear-sensitive reinforced concrete columns the effects of such behavior on the entire structure. In order to investigate the shear strength and deformation capacity behaviors, reinforced concrete circular column models with different concrete compressive strength, axial load level and spiral reinforcement ratios were designed. The shear behavior and deformation capacity of the designed reinforced concrete columns were investigated according to the models proposed by ASCE/SEI 41 (2017) and the researchers. According to the characteristic values obtained from moment-curvature relations of reinforced concrete columns, elastic, plastic and total displacement values were calculated and the displacement ductility relations were examined. It is seen that the shear strength obtained from the analysis for reinforced concrete columns is affected by the axial load level, concrete compressive strength, spiral reinforcement ratio and displacement ductility values.

Özet

Göçme öncesi sismik performans seviyesinde, kesmeye maruz betonarme kolonların yatay yük ve eksenel yük taşıma kapasitelerindeki azalmayı ve bu davranışların tüm yapıya etkilerini modellemeye ve tahmin etmeye ihtiyaç vardır. Kesme dayanımı ile deformasyon kapasite davranışlarının incelenmesi için farklı beton basınç dayanımı, eksenel yük seviyesi ve spiral donatı oranlarında betonarme dairesel kolon modelleri tasarlanmıştır. Tasarlanan betonarme kolonların kesme davranışı ile deformasyon kapasiteleri, ASCE/SEI 41 (2017) ve araştırmacılar tarafından önerilen modellere göre araştırılmıştır. Betonarme kolonların moment-eğrilik ilişkilerinden elde edilen karakteristik değerlere göre elastik, plastik ve toplam yer değiştirme değerleri hesaplanarak yer değiştirme süneklik ilişkileri incelenmiştir. Betonarme kolonlar için analizlerden elde edilen kesme dayanımlarının eksenel yük seviyesi, beton basınç dayanımı, spiral donatı oranı ve yer değiştirme süneklik değerlerinden etkilendiği görülmektedir.

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Cite This Article

FOROUGHİ, S., YÜKSEL, B. (2022). Investigation of Shear Strength and Deformation Capacity Models of Reinforced Concrete Columns. Türk Deprem Araştırma Dergisi, Cilt: 4 Sayı: 1, 26–41. https://ajindex.com/articles/914205

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