Reinforced Concrete Columns in Torsion (RESEARCH NOTE).


1 Civil Engineering, Lamar University of Beaumont

2 Civil Engineering, Ferdowsi University of Mashhad


ACT does not suggest any regulations for columns under torsion. However, by all means, the number of such columns used in steel and concrete structures is abundant. In this paper, using the results of laboratory tests on 35 square and rectangular columns with intermediate slender ratios, relations for determination of torsional strengths of reinforced concrete under axial compression have been developed. Compatibility of this relation with laboratory results has been examined.