Salkia, B and Thomas, J and Ramaswamy, A and Rao, Nanjunda KS (2005) Performance of hybrid rebars as longitudinal reinforcement in normal strength concrete. In: Materials and Structures, 38 (284). pp. 857-864.
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Although steel is most commonly used as a reinforcing material in concrete due to its competitive cost and favorable mechanical properties, the problem of corrosion of steel rebars leads to a reduction in life span of the structure and adds to maintenance costs. Many techniques have been developed in recent past to reduce corrosion (galvanizing, epoxy coating, etc.) but none of the solutions seem to be viable as an adequate solution to the corrosion problem. Apart from the use of fiber reinforced polymer (FRP) rebars, hybrid rebars consisting of both FRP and steel are also being tried to overcome the problem of steel corrosion. This paper evaluates the performance of hybrid rebars as longitudinal reinforcement in normal strength concrete beams. Hybrid rebars used in this study essentially consist of glass fiber reinforced polymer (GFRP) strands of 2 mm diameter wound helically on a mild steel core of 6 mm diameter. GFRP stirrups have been used as shear reinforcement. An attempt has been made to evaluate the flexural and shear performance of beams having hybrid rebars in normal strength concrete with and without polypropylene fibers added to the concrete matrix.
| Item Type: | Journal Article |
|---|---|
| Publication: | Materials and Structures |
| Publisher: | RILEM Publications |
| Additional Information: | Copyright for this article belongs to RILEM Publications. |
| Department/Centre: | Division of Mechanical Sciences > Civil Engineering |
| Date Deposited: | 13 Feb 2006 |
| Last Modified: | 27 Aug 2008 11:44 |
| URI: | http://eprints.iisc.ac.in/id/eprint/5331 |
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