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- Title
Ultimate Flexural Strength and Plastic Deformation Performance of Reinforced Concrete Section in Hybrid Beams.
- Authors
Singh, Ravi; Hitoshi Sasaki; Yukihiro Sato
- Abstract
In Japan, steel is mostly used to construct large-span buildings such as logistic terminals, office buildings, shopping malls, and medical facilities. However, in recent years with the fabrication cost of steel soaring, there is a concerted effort to reduce construction costs and at the same time increase productivity. Therefore, research investigations are being carried out and one of the methods involves using an innovative hybrid system where the columns are reinforced concrete and the beams are hybrid beams. In this study, concrete design strength, shear reinforcement ratio and length of RC section were altered to examine the structural performance of hybrid beams under flexural failure in a beam-column subassemblage. The results showed that ultimate flexural strength of a reinforced concrete section can be evaluated using an Architectural Institute of Japan abbreviated equation, and a coefficient of shear reinforcement of more than 2.5% will assure a plastic deformation capacity of more than 2%.
- Subjects
JAPAN; FLEXURAL strength; MATERIAL plasticity; ULTIMATE strength; REINFORCED concrete; COLUMN design &; construction; SHEAR reinforcements
- Publication
ACI Structural Journal, 2021, Vol 118, Issue 1, p301
- ISSN
0889-3241
- Publication type
Article
- DOI
10.14359/51728187