Ductile Behavior of Beams Using FRP as Tendons and Transverse Reinforcement

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Title: Ductile Behavior of Beams Using FRP as Tendons and Transverse Reinforcement

Author(s): H. Taniguchi, H. Mutsuyoshi, T. Kita, and A. Machida

Publication: Special Publication

Volume: 138

Issue:

Appears on pages(s): 651-670

Keywords: beams (supports); confined concrete; ductility;, failure; fiber reinforced plastics; flexural strength; prestressed concrete; prestressing steels; stress-strain relationships; Structural Research

Date: 9/1/1993

Abstract:
PC members reinforced with FRP as tendons show brittle failure regardless of the failure mode. The authors' objective was to improve the ductility of PC members reinforced with FRP as tendons. First, the compressive properties of concrete confined with FRP as transverse reinforcement was investigated. Major improvement can be made in the stress-strain relationship of concrete laterally reinforced with FRP, and the concrete members can be given ductility characteristics similar to those of steel-reinforced members by confining the concrete with FRP. Secondly, several PC members reinforced with FRP as tendons and transverse reinforcement were tested and investigated. It was found that marked improvements could be made in the ductility of PC members with FRP tendons by confining the part of concrete subjected to flexural compression with FRP and forcing the members to undergo flexural compression compression failure. 235-493