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COMPARISON AND EXPERIMENTAL STUDY OF BOND BEHAVIOR OF DEFORMED GFRP REBARS IN DIFFERENT SURFACE FORM

Jinping Ou

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Abstract

The surface form of deformed GFRP rebars is the main factor affecting the bond behavior between GFRP rebars and concrete.This paper uses the pull-out test to study the bond behavior of deformed GFRP rebars with 8 different surfaces to concrete and compares the bond strength.This study shows that the bond strength of deformed GFRP rebars improves obviously,the optimal spacing of ribs should be less than 2.5 times of the rebar dia-meter and height of ribs should be more than 3% of the diameter.

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What this paper is about

The surface form of deformed GFRP rebars is the main factor affecting the bond behavior between GFRP rebars and concrete.This paper uses the pull-out test to study the bond behavior of deformed GFRP rebars with 8 different surfaces to concrete and compares the bond strength.This study shows that the bond strength of deformed GFRP rebars improves obviously,the optimal spacing of ribs should be less than 2.5 times of the rebar dia-meter and height of ribs should be more than 3% of the diameter.

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Available abstract

The surface form of deformed GFRP rebars is the main factor affecting the bond behavior between GFRP rebars and concrete.This paper uses the pull-out test to study the bond behavior of deformed GFRP rebars with 8 different surfaces to concrete and compares the bond strength.This study shows that the bond strength of deformed GFRP rebars improves obviously,the optimal spacing of ribs should be less than 2.5 times of the rebar dia-meter and height of ribs should be more than 3% of the diameter.

Key concepts: Fibre-reinforced plastic, Rebar, Bond strength, Bond, Materials science, Structural engineering, Composite material, Engineering

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COMPARISON AND EXPERIMENTAL STUDY OF BOND BEHAVIOR OF DEFORMED GFRP REBARS IN DIFFERENT SURFACE FORM — Research Paper | ScholarLens