A study on Torsional Behavior of RC beams with ferrocement U wraps

By Brand : Gopal Charan Behera Author

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Concrete, the highest consumed material in construction field having high compressive strength with low tensile strength plays a high risk to encounter the torsional loads. Wrapping on three sides is a most common technique. So far no work has been reported regarding the improvement/beneficial aspects of "U" wrapping using ferrocement under torsional loads. A preliminary experimental investigation was taken up to study whether other types of wraps are effective in resisting the torsion or not. Development of analytical model, Validation of analytical model and Comparison of torsional capacity of RC beams with "U" wraps, with full wraps and without wrapping. The work is divided into four phases such as Development of Analytical Model, Experimental work on Normal strength beams, Experimental works on High strength Beams and Validation of Analytical model. The torque twist response of a ferrocement "U" wrap reinforced beam is more influenced by the state of torsion than the amount of mesh reinforcement of ferrocement. Transversely over reinforced concrete beams showed overall increase in torque, twist and toughness over longitudinally over reinforced beams with "U" wrap.