Browsing by Author "Misgana, Berhanu"
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Item Study on Shear Strength of Concrete Mixed With Waste Tires Steel Wire(Addis Ababa University, 2020-03) Misgana, Berhanu; Girma, Zerayohannes (PhD)In this research, an experimental study has devoted to study the behavioral shear strength mechanism of the plain concrete with waste tires steel wires in two methods; as a fiber by varying fiber volume amount (FB) and as a diagonally tied wire as stirrups (WB). The experimental laboratory research tries to investigate the possibility of using steel fibers and tied wires in enhancing shear capacity in reinforced concrete beams. The Result of experimental beams shows that waste tire wires tied like a diagonal stirrup develop the shear capacity of the concrete significantly. However, the other scenario which is fibers mixed as an ingredient has negligible effects on shear strength enhancement in plain concrete. This is due to the plain geometry of fibers, which is weak in pull out strength. But, slight improvement in ductility property has observed. Hence, from the collected experimental result, it is concluded that these materials can be used as a diagonally tied wire (WB) for enhancing the shear strength of concrete. Yet, further studies shall be made to improve the method and quantify the numerical formulation.