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Credit to Download: 1 | Page Numbers 12 | Abstract Views: 2093
Year: 2009
COI code: ICCD03_020
Paper Language: English

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V Broujerdian - Ph.D. Candidate, Department of Civil Engg., Sharif University of Tech., Tehran
Mohammad T. Kazemi - Associate Professor, Department of Civil Engg., Sharif University of Tech., Tehran,


Introducing a new constitutive model a smeared rotating crack model was developed having the capability of predicting the entire load-deformation response of reinforced concrete elements. The important features of the model are considering the effect of reinforcement ratio on average stress-strain relationships of cracked concrete and considering the gradual reduction of average stiffness of steel bars embedded in concrete. The model applied to predict the response of available test panels and showed a good correlation. Using the simplified version of the model a new expression for shear capacity of reinforced concrete beams without stirrups was derived. The proposed relation captures the dependence of shear strength on size, shear span-to-depth ratio, longitudinal reinforcement ratio,
maximum aggregate size, and concrete strengt h. The model agrees well with fracture mechanics concepts. The proposed relation was calibrated by least-square fitting of the existing experimental beam test database and showed a good agreement.


reinforced concrete, shear strength, membrane elements, beams, size effect

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COI code: ICCD03_020

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Broujerdian, V & Mohammad T. Kazemi, 2009, NONLINEA ANALYSIS OF REINFORCED CONCRETE ELEMENTS, 03rd International Conference on Concrete and Development, تهران, مركز تحقيقات ساختمان و مسكن, the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Broujerdian, V & Mohammad T. Kazemi, 2009)
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