Tentative Recommendations for the Design of Reinforced Concrete Members to Resist Torsion

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Title: Tentative Recommendations for the Design of Reinforced Concrete Members to Resist Torsion

Author(s): ACI Committee 438

Publication: Journal Proceedings

Volume: 66

Issue: 1

Appears on pages(s): 1-7

Keywords: axial loads; beams (structural) ; bending; building codes; combined stress; moments; reinforced concrete; reinforcing steel; shear; stirrups; stresses; structuraI design; tension; torsion; reinforcement. ultimate strength method (structural) ; web

Date: 1/1/1969

Abstract:
This report presents recommended design procedures for reinforced concrete members subject to torsion or torsion in combination with shear, bending and axial tension. The procedures are expressed in terms of ultimate strengths and ultimate loads. Included are formulas for determining torsional shear stresses for members of rectangular, T-, L-, I-and hollow box-sections. Stresses that can be carried by members without web reinforcement are specified and design methods for torsional reinforcement are given. The reasons and justifications for the recommendations are given in the commentary.