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ACI 549.4R

Guide to Design and Construction of Externally Bonded Fabric-Reinforced Cementitious Matrix and Steel-Reinforced Grout Systems for Repair and Strengthening of Concrete Structures

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Organization: ACI
Publication Date: 1 April 2020
Status: active
Page Count: 40
scope:

This guide covers fabric-reinforced cementitious matrix (FRCM) and steel-reinforced grout (SRG) composite systems used to strengthen or rehabilitate existing concrete structures, providing background information and field applications; composite material properties; axial, flexural, and shear capacities of the FRCM/SRG-strengthened structures; and structural design procedures.

Document History

ACI 549.4R
April 1, 2020
Guide to Design and Construction of Externally Bonded Fabric-Reinforced Cementitious Matrix and Steel-Reinforced Grout Systems for Repair and Strengthening of Concrete Structures
This guide covers fabric-reinforced cementitious matrix (FRCM) and steel-reinforced grout (SRG) composite systems used to strengthen or rehabilitate existing concrete structures, providing background...
ACI 549.4R
December 1, 2013
Guide to Design and Construction of Externally Bonded Fabric- Reinforced Cementitious Matrix (FRCM) Systems for Repair and Strengthening Concrete and Masonry Structures
This guide covers FRCM composite systems used to strengthen existing concrete and masonry structures, providing background information and field applications; FRCM material properties; axial,...

References

This document references:
318 - Building Code Requirements for Structural Concrete (ACI 318-19) Commentary on Building Code Requirements for Structural Concrete (ACI 318R-19)
Published by ACI on June 1, 2019
This chapter addresses (a) through (h): (a) General requirements of this Code (b) Purpose of this Code (c) Applicability of this Code (d) Interpretation of this Code (e) Definition and role of the...
This document references:
ACI 440.2R - Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures
Published by ACI on May 1, 2017
This document provides guidance for the selection, design, and installation of FRP systems for externally strengthening concrete structures. Information on material properties, design, installation,...
This document references:
PRC-440.7 - Externally Bonded Fiber-Reinforced Polymer Systems Design and Construction for Strengthening Masonry Structures—Guide
Published by ACI on December 1, 2022
This guide provides recommendations for the selection and design of FRP systems limited to externally bonded FRP laminates and near-surface-mounted (NSM) FRP bars/strips for increasing or restoring...
This document references:
ACI 440R - Report on Fiber-Reinforced Polymer (FRP) Reinforcement for Concrete Structures
Published by ACI on September 1, 2007
Introduction Fiber Reinforced Plastic (FRP) products were first used to reinforce concrete structures in the mid 1950s (Rubinsky and Rubinsky 1954; Wines et al. 1966). Today, these FRP products take...
This document references:
ACI 544.1R - Report on Fiber Reinforced Concrete
Published by ACI on January 1, 1996
INTRODUCTION Historical aspects Since ancient times, fibers have been used to reinforce brittle materials. Straw was used to reinforce sun-baked bricks, and horsehair was used to reinforce masonry...
This document is referenced by:
ACI 549.6R - Guide to Design and Construction of Externally Bonded Fabric-Reinforced Cementitious Matrix (FRCM) and Steel-Reinforced Grout (SRG) Systems for Repair and Strengthening Masonry Structures
Published by ACI on November 1, 2020
Note that this guide is based on the most recent knowledge and interactions with other technical organizations, such as the working group of the Italian National Research Council (CNR), which was...
This document is referenced by:
ACI SP-345 - Materials, Analysis, Structural Design and Applications of Textile Reinforced Concrete/Fabric Reinforced Cementitious Matrix
Published by ACI on February 1, 2021
A description is not available for this item.
This document is referenced by:
ACI 364.2T - Increasing Shear Capacity Within Existing Reinforced Concrete Structures
Published by ACI on January 1, 2008
Purpose and scope The purpose of this report is to provide a source of information on the evaluation of concrete structures (except those subjected to seismic effects) prior to rehabilitation. This...
This document is referenced by:
ACI 215R - Considerations for Design of Concrete Structures Subjected to Fatigue Loading
Published by ACI on January 1, 1992
Objective and scope This report is intended to provide information that will serve as a guide for design for concrete structures subjected to fatigue loading. However, this report does not contain...
This document is referenced by:
PRC-546 - Concrete Repair—Guide
Published by ACI on December 1, 2023
This document provides guidance on concrete removal, substrate and reinforcement preparation, material selection, material application methods, and protective systems for concrete structures (Fig....
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