Torsion Design Example: Inverted Tee Bent Cap

Camilo Granda Valencia, E.O.L. Lantsoght

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This paper provides a practical example of the torsion design of an inverted tee bent cap of a three-span bridge. A full torsional design following the guidelines of the ACI 318-19 building code is carried out and the results are compared with the outcomes from CSA-A23.3-04, AASHTO-LRFD-17, and EN 1992-1-1:2004 codes. Then, a summary of the detailing of the cross-section considering the reinforcement requirements is presented. The objective of this paper is to illustrate the application of ACI 318-19 when designing a structural element subjected to large torsional moments.
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
Number of pages15
ISBN (Print)978-1-64195-114-2
Publication statusPublished - 2020
EventACI Virtual Concrete Convention - Virtual conference
Duration: 25 Oct 202029 Oct 2020

Publication series

NameACI Special Publication
ISSN (Print)0193-2527


ConferenceACI Virtual Concrete Convention
Internet address


  • bridge
  • codes
  • concrete
  • design
  • inverted tee bent cap
  • reinforcement
  • shear
  • torsion

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