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ACI 445.2-21

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Strut-and-Tie Method Guidelines for ACI 318-19 - Guide

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Strut-and-tie models (STMs) were first used at the end of the nineteenth century as a concrete design method. The method was added to ACI 318 in 2002 as Appendix A. In 2014, STM provisions were moved into the main body of the code as Chapter 23, Strut-and-Tie Method. This document focuses on the ACI 318-19 implementation of strut-and-tie modeling. The main objectives of this document are to: 1) explain the intent and application of ACI 318 STM provisions; 2) provide additional design guidance for the STM based on other design codes, specifications, and committee documents; and 3) present design recommendations from recent research publications. This document provides practical guidance to the structural design community. Keywords: D-regions; design; disturbed regions; model; node; strut; tie.

SDO ACI: American Concrete Institute
Document Number 445.2
Publication Date Jan. 1, 2021
Language en - English
Page Count
Revision Level
Supercedes
Committee
Publish Date Document Id Type View
Jan. 1, 2021 ACI 445.2-21 Revision