Reversed cyclic torsion tests on nine normal‐weight and three lightweight reinforced reinforced concrete beams are reported, along with nonreversible cyclic torsion tests on four reinforced concrete beams and two companion static tests. The variables studied were the peak torque, the range and the frequency of loading. Basic information concerning concrete and steel strains, the angle of twist, the torsional stiffness, the cracking torque, and the ultimate torque in cyclic torsion has been reported.
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Venkappa et al. (1987) studied this question.