Overview of Torsion Design Methods

Camilo Granda Valencia, E.O.L. Lantsoght

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientific

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Abstract

Large torsional moments, which need to be considered in a design, can result among others, in structures with an asymmetric layout or loading. To find the required longitudinal and transverse reinforcement to resist these torsional moments, the link between the three-dimensional action of the torsional moment and sectional analysis methods is necessary. This paper reviews the existing methods and code provisions for torsion. First, an overview of the principles of torsion from the mechanics perspective is given. Then, a survey of the available mechanical models for torsion is presented. Finally, the code provisions for torsion of ACI 318-19, CSA-A23.3-04, AASHTO-LRFD- 17, EN 1992-1-1:2004, and the fib Model Code 2010 are summarized. Additionally, current research topics on torsion in structural concrete are summarized. It is expected that with this paper, engineers will have a useful overview and background knowledge for the design and assessment of torsion-critical elements.
Original languageEnglish
Title of host publicationExamples for the Design of Reinforced and Prestressed Concrete Members Under Torsion
EditorsEva Lantsoght, Gary Greene, Abdeldjelil Belarbi
PublisherAmerican Concrete Institute
Pages1-29
Number of pages29
VolumeSP-344
ISBN (Print)978-1-64195-114-2
Publication statusPublished - 2020
EventACI Virtual Concrete Convention - Virtual conference
Duration: 25 Oct 202029 Oct 2020
https://www.concrete.org/events/conventions/currentconvention.aspx

Publication series

NameACI Special Publication
PublisherACI
ISSN (Print)0193-2527

Conference

ConferenceACI Virtual Concrete Convention
Period25/10/2029/10/20
Internet address

Bibliographical note

Accepted Author Manuscript

Keywords

  • codes
  • concrete
  • reinforcement
  • shear
  • torsion

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