Concrete Q&A: Lateral Support of Longitudinal Reinforcement and Transverse Reinforcement for Torsion

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Title: Concrete Q&A: Lateral Support of Longitudinal Reinforcement and Transverse Reinforcement for Torsion

Author(s):

Publication: Concrete International

Volume: 41

Issue: 1

Appears on pages(s): 60

Keywords:

Date: 1/1/2019

Abstract:
We are designing a box-shaped shear wall core. Although the wall will carry gravity loads from the suspended floors, compressive loads do not control the design of the longitudinal (vertical) reinforcing. In other words, the longitudinal reinforcing is controlled by the tension forces in the wall due to the overturning wind forces. It is our understanding that, even though the wall has some compressive forces in it, the longitudinal reinforcement does not need to be confined by ties because its primary purpose is to carry a tension force. Is this a correct interpretation of the Code provision? and What are the requirements for transverse reinforcement in beams subject to torsion?