Frp Strengthening Of Rc Structures

ACI 440.3R-04

Guide Test Methods for Fiber-Reinforced Polymers (FRPs) for Reinforcing or Strengthening Concrete Structures
Reported by ACI Committee 440
Sami H. Rizkalla Chair Tarek Alkhrdaji Charles E. Bakis P. N. Balaguru Lawrence C. Bank Abdeldjelil Belarbi Brahim Benmokrane Gregg J. Blaszak Timothy E. Bradberry Gordon L. Brown Vicki L. Brown Thomas I. Campbell Charles W. Dolan DatDuthinh Garth J. Fallis Amir Fam
* Chair, † *

John P. Busel Secretary Vistasp M. Karbhari James G. Korff Michael W. Lee Morris Schupack David W. Scott Rajan Sen Mohsen A. Shahawy Carol K. Shield Khaled A. Soudki Robert E. Steffen Gamil Tadros Jay Thomas Houssam A. Toutanji Miroslav Vadovic David Vanderpool Milan Vatovec David White

Edward R. Fyfe Ali Ganjehlou Duane J. Gee T. Russell Gentry JanosGergely William J. Gold Nabil F. Grace Mark F. Green Mark Greenwood Doug D. Gremel H. R. Hamilton Issam E. Harik Kent A. Harries Mark P. Henderson Bohdan N. Horeczko
†

John Levar Ibrahim Mahfouz Henry N. Marsh Orange S. Marshall Amir Mirmiran Ayman S. Mossallam Antonio Nanni Kenneth Neale John P. Newhook Max L. Porter Mark A. Postma Hayder A. Rasheed

Subcommittee that prepared thisdocument. Co-Chair, Subcommittee that prepared this document.

Fiber-reinforced polymer (FRP) materials have emerged as a practical material for producing reinforcing bars and laminates for concrete structures. FRP reinforcing bars and laminates offer advantages over steel reinforcement in that FRP is noncorrosive and nonconductive. FRP reinforcing

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bars, grids, and tendons are being used for nonprestressed and prestressed concrete structures. FRP laminates are being used as external reinforcement for strengthening of existing concrete and masonry structures. Due to differences in the physical andmechanical behavior of FRP materials compared to steel, unique test methods for FRP bars and laminates are required. This document provides model test methods for the short-term and longterm mechanical, thermo-mechanical, and durability testing of FRP bars and laminates. It is anticipated that these model test methods may be considered, modified, and adopted, either in whole or in part, by a U.S. nationalstandards-writing agency such as ASTM International or AASHTO. The publication of these test methods by ACI Committee 440 is an effort to aid in this adoption. The recommended test methods are based on the knowledge gained from research results and literature worldwide. Many of the proposed test methods for reinforcing rods are based on those found in “Recommendation for Design and Construction...