Plastic Hinge Length of Reinforced Concrete Columns with Low Height-to-Width Ratio
| Autor: | Jae-Hyun Woo, Jung-Yoon Lee, Jong-Wook Park, Byung-Il Kim |
|---|---|
| Rok vydání: | 2010 |
| Předmět: |
Materials science
business.industry Materials Science (miscellaneous) Building and Construction Structural engineering Reinforced concrete Width ratio Shear (sheet metal) Flexural strength Mechanics of Materials Plastic bending Plastic hinge Fracture (geology) Composite material Ductility business Civil and Structural Engineering |
| Zdroj: | Journal of the Korea Concrete Institute. 22:675-684 |
| ISSN: | 1229-5515 |
| Popis: | The reinforced concrete members are designed to fail in flexural to lead ductile fracture. In the building structures, the failure is typically imposed on beams to prevent damages in columns. However, progression of plastic collapse mechanism may ultimately develop, a plastic hinge at the bottem end of the first floor column, which then can be subjected to shear or bond finally due to large axial force and small shear span-to-depth ratio. In this study, 10 RC column specimens failed in shear after flexural yielding was investigated to determine the factors affecting the plastic hinge length. The findings of this study showed that the most effective factor affecting the plastic hinge length was an axial force. As an axial force increase, an axial strain and a ductility ratio were decreased obviously. The test also shows the observed plastic hinge length was about 0.8~1.2d and the this result has difference compared with forward research. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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