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:
DOI:
10.14359/51714492
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?
Related References:
1. ACI Committee 318, “Building Code Requirements for Structural Concrete (ACI 318-11) and Commentary,” American Concrete Institute, Farmington Hills, MI, 2011, 503 pp.
2. ACI Committee 318, “Building Code Requirements for Structural Concrete (ACI 318-14) and Commentary (ACI 318R-14),” American Concrete Institute, Farmington Hills, MI, 2014, 519 pp.