Investigation of The Use of Steel Fibers Extracted from Used Tyres for Reinforced Concrete Beams Under Cyclic Loading
| dc.contributor.advisor | Adil, Zekaria (PhD) | |
| dc.contributor.author | Lemlem, Adefirs | |
| dc.date.accessioned | 2020-11-19T08:25:29Z | |
| dc.date.accessioned | 2023-11-11T12:56:26Z | |
| dc.date.available | 2020-11-19T08:25:29Z | |
| dc.date.available | 2023-11-11T12:56:26Z | |
| dc.date.issued | 2020-06 | |
| dc.description.abstract | Reinforced concrete (RC) beams under cyclic loading usually suffer from reduced aggregate interlock and eventually weakened concrete compression zone due to severe cracking and the brittle nature of compressive failure. On the other hand, the addition of steel fibers with conventional steel reinforcements can reduce and delay cracking and also increase shear capacity and the ductility of RC beams. In this thesis shear strength test of nine beams were conducted experimentally and analytically; seven beams with different steel fiber volume and shear spacing and two as control specimen. The variables were shear spacing, volume of steel fiber and type of loading. Steel fibers, which were extracted from used tyre, each with a length-to-diameter ratio equal to 63.158 were added to the steel fiber reinforced concrete (SFRC) beams. Accompanying, compression, and splitting tests were also carried out to evaluate the compressive and tensile splitting strength of the used fibrous concrete mixtures. Test results indicated that the control specimen demonstrated shear diagonal cracking failing in a brittle manner, whereas for the SFRC beamsafter the diagonal crack appeared, the steel fiber reduces and delay diagonal crack width. The SFRC beam with 1% steel fibers and its shear spacing increased by 50% exhibited an improved cyclic response, achieving a pronounced shear behavior with significant strength. | en_US |
| dc.identifier.uri | http://etd.aau.edu.et/handle/12345678/23390 | |
| dc.language.iso | en_US | en_US |
| dc.publisher | Addis Ababa University | en_US |
| dc.subject | Reinforced Concrete Beams | en_US |
| dc.subject | Cyclic Loading | en_US |
| dc.subject | Steel Fibers | en_US |
| dc.title | Investigation of The Use of Steel Fibers Extracted from Used Tyres for Reinforced Concrete Beams Under Cyclic Loading | en_US |
| dc.type | Thesis | en_US |