Effect of Steel Fibers on Bond Strength of Hooked Bars in Normal-Strength Concrete
| Autor: | Mohamad H. Harajli, Bilal S. Hamad, Elias Y. Abou Haidar |
|---|---|
| Rok vydání: | 2011 |
| Předmět: |
Cantilever
Materials science Bond strength business.industry fungi Building and Construction Fiber-reinforced concrete Structural engineering law.invention law Deflection (engineering) Ultimate tensile strength Composite material Reinforcement business Failure mode and effects analysis Beam (structure) Civil and Structural Engineering |
| Zdroj: | ACI Structural Journal. 108 |
| ISSN: | 0889-3241 |
| DOI: | 10.14359/51664201 |
| Popis: | This study investigates whether steel fibers improve the bond performance of hooked-bar anchorages and the ductility of the failure mode of beam-column connections. Twelve beam-column-type specimens that simulated the rigid connection of a vertical cantilever beam to a base column were tested. The tensile beam reinforcement consisted of two bars anchored in the column outside the column reinforcement cage using hooked-bar anchorages. The variables were the beam tensile bar size and percentage of steel fibers by volume of concrete. The results showed that all specimens showed similar crack patterns. The steel fibers increased the anchorage capacity and the ductility of the load-deflection history of specimens. The optimum steel fiber content in the study was 1.0% for the mixture proportion and ingredients in this study. Research directions for future studies are discussed. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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