Torsion in RC Members • Many types of loading produce torsion in RC members. • Torsional strength of sections made of homogeneous materials can be estimated accurately using theory of elasticity. • Difficult to assess torsional strength of heterogeneous RC sections. • Problems are even more acute due to torsion accompanied by bending and shear • Torsion may be classified as 1. Primary o r e quil ibrium torsion 2. Sec on da ry or co mp atibil it y tors io n
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