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Preloading Effect on Load Capacity and Ductility of Rc Beams Strengthened with Prestressed Cfrp Strips
| Content Provider | Semantic Scholar |
|---|---|
| Author | Kotynia, Renata |
| Copyright Year | 2012 |
| Abstract | A paper describes experimental test of reinforced concrete beams strengthened in flexure with prestressed CFRP strips. The aim of the test was to investigate preloading effect on strengthening efficiency. Beams were preloaded to 25% or 75% of the load capacity of a nonstrengthened beam. Flexural strengthening of RC beams with prestressed CFRP strips is very effective both in ultimate limit state and serviceability limit state, even in case of members highly exhausted before strengthening. The strengthening allows for significant reduction of concrete strains, mid-span deflection and stiffness increase. Strengthening ratio varied from 1.9 to 2.2 of non-strengthened beam’s load capacity. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://www.iifc.org/proceedings/CICE_2012/09_Prestressing%20with%20FRP/09_507_Kotynia,Lasek,Staskiewicz_PRELOADING%20EFFECT%20ON%20LOAD%20CAPACITY%20AND%20DUCTILITY%20OF.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |