Research on the normality of the plastic strain vector to the yield surface in RC sections

Konuralp Girgin*, Z. Canan Girgin, M. Gunhan Aksoylu

*Bu çalışma için yazışmadan sorumlu yazar

Araştırma sonucu: ???type-name???Makalebilirkişi

Özet

In this study, the normality condition of the plastic strain vector to the yield surface utilized for elastic-perfectly plastic materials is investigated for reinforced concrete (RC) sections. If the plastic strain vector can be assumed outward normal to the yield surface in RC sections under combined biaxial bending and axial load, the components of the vector can be expressed by a single parameter. Thus, the material nonlinearity can be simplified through the extended plastic hinge concept based on the normality condition. In this study the normality of the plastic strain vector is verified via numerical examples in symmetrically reinforced rectangular and circular RC sections subjected to biaxial bending and axial load for various configurations of longitudinal reinforcement.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)1115-1130
Sayfa sayısı16
DergiMaterials and Structures/Materiaux et Constructions
Hacim47
Basın numarası7
DOI'lar
Yayın durumuYayınlandı - Tem 2014

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