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Behavior Of Rectangular Reinforced Concrete Beams Subjected To Bi-Axial Shear Loading | ||
| Journal of Engineering and Sustainable Development | ||
| Article 1, Volume 18, Issue 2, 2014, Pages 106-121 | ||
| Authors | ||
| Waleed Awad Waryosh; Saad Khalaf Mohaisen; Lubna Mohammed Yahya | ||
| Abstract | ||
| Shear failure of the concrete beam, is undesirable mode of failure because these kinds of failure gives a few warnings, and have disastrous consequences. So this study comes to investigate the mechanism of failure and the maximum loading capacity of rectangular reinforced concrete beam under biaxial shear load through the test of eight reinforced concrete beam. The simple experimental set-up for a simply supported beam under one point loading is introduced in this study by applying the load to the tilted beam. This requires only one hydraulic jack to produce the complicated bi-axial shear loading. The measured ultimate bi-axial shear capacities of reinforced concrete beams with shear reinforcement were separately defined for concrete (Vc) and shear reinforcement (Vs) contributions. Their results were discussed individually with respect to calculation using ellipse function (which is currently used in JSCE design specification) with JSCE code requirement and ACI code requirement. Through the test of four reinforced concrete members with changing the shear reinforcement ratio the results show that the ellipse interaction relation seems to underestimate bi-axial shear capacity of concrete about (119 to 188%) and (43 to 50%) for ACI and JSCE design codes respectively and overestimate bi-axial shear capacity of shear reinforcement of reinforced concrete members with rectangular section by the range of (21) to (6) % and (25) to (11) % for ACI and JSCE code, respectively. | ||
| Keywords | ||
| Reinforced concrete beam; axial shear; Ellipse function; Experimental Test | ||
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