Single-parameter methodology for the prediction of the stress-strain behavior of FRP-Confined RC square columns

Antonio De Luca; Antonio Nanni

doi:10.1061/(ASCE)CC.1943-5614.0000179

Single-parameter methodology for the prediction of the stress-strain behavior of FRP-Confined RC square columns

Antonio De Luca, Antonio Nanni

Civil, Architectural & Environmental Engineering

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

The study presented in this paper proposes a new theoretical framework to interpret and capture the mechanics of the fiber-reinforced polymer (FRP) confinement of square reinforced concrete (RC) columns subjected to pure compressive loads. The geometrical and mechanical parameters governing the problem are analyzed and discussed. A single-parameter methodology for predicting the axial stress-axial strain curve for FRP-confined square RC columns is described. Fundamentals, basic assumptions, and limitations are discussed. A simple design example is also presented.

Original language	English (US)
Pages (from-to)	384-392
Number of pages	9
Journal	Journal of Composites for Construction
Volume	15
Issue number	3
DOIs	https://doi.org/10.1061/(ASCE)CC.1943-5614.0000179
State	Published - May 2011

Keywords

Confinement
Deformability
FRP laminates
Full-scale RC columns
Strengthening
Volumetric strain

ASJC Scopus subject areas

Civil and Structural Engineering
Building and Construction
Ceramics and Composites
Mechanical Engineering
Mechanics of Materials

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abstract = "The study presented in this paper proposes a new theoretical framework to interpret and capture the mechanics of the fiber-reinforced polymer (FRP) confinement of square reinforced concrete (RC) columns subjected to pure compressive loads. The geometrical and mechanical parameters governing the problem are analyzed and discussed. A single-parameter methodology for predicting the axial stress-axial strain curve for FRP-confined square RC columns is described. Fundamentals, basic assumptions, and limitations are discussed. A simple design example is also presented.",

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AB - The study presented in this paper proposes a new theoretical framework to interpret and capture the mechanics of the fiber-reinforced polymer (FRP) confinement of square reinforced concrete (RC) columns subjected to pure compressive loads. The geometrical and mechanical parameters governing the problem are analyzed and discussed. A single-parameter methodology for predicting the axial stress-axial strain curve for FRP-confined square RC columns is described. Fundamentals, basic assumptions, and limitations are discussed. A simple design example is also presented.

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KW - Deformability

KW - FRP laminates

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KW - Strengthening

KW - Volumetric strain

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