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Title: 440.2R-02: Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures


Publication: Technical Documents



Appears on pages(s): 45

Keywords: aramid fibers; bridges; buildings; carbon fibers; concrete; corrosion; crack widths; cracking; cyclic loading; deflections; development length; earthquake-resistant; fatigue; fiber-reinforced polymers; flexure; glass fiber; shear; stresses


Date: 7/11/2002


Note: 440.2R-02is available in PDF format only. However, a newer version of this document exists. This document was replaced by 440.2R-08.

Fiber-reinforced polymer (FRP) systems for strengthening concrete structures have emerged as an alternative to traditional strengthening techniques, such as steel plate bonding, section enlargement, and external post-tensioning. FRP strengthening systems use FRP composite materials as supplemental externally bonded reinforcement. FRP systems offer advantages over traditional strengthening techniques: they are lightweight, relatively easy to install, and are noncorrosive. Due to the characteristics of FRP materials, the behavior of FRP strengthened members, and various issues regarding the use of externally bonded reinforcement, specific guidance on the use of these systems is needed. This document offers general information on the history and use of FRP strengthening systems; a description of the unique material properties of FRP; and committee recommendations on the engineering, construction, and inspection of FRP systems used to strengthen concrete structures. The proposed guidelines are based on the knowledge gained from worldwide experimental research, analytical work, and field applications of FRP systems used to strengthen concrete structures.


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