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Barras de refuerzo de fibra de vidrio:
Normativa

Esta sección contiene algunos documentos reglamentarios de varios países sobre el diseño de estructuras que utilizan barras de refuerzo de fibra de vidrio y sus requisitos. Las regulaciones de aplicación son una parte importante del desarrollo de la industria de compuestos en los países. Los documentos permiten formar un mercado para materiales innovadores, obtener un beneficio económico de las propiedades del material y aumentar el ciclo de vida de edificios y estructuras.

ACI 440.1R-06 «Guide for the Design and Construction of Structural Concrete Reinforced with FRP Bars». American Concrete Institute, American Concrete Institute (ACI).
ACI 440.11-22 «Building code requirements for structural concrete reinforced with Glass Fiber Reinforced Polymer (GFRP). Bars-Code and Commentary American Concrete Institute, American Concrete Institute (ACI).
ACI 440.2R-08 «Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures». American Concrete Institute, American Concrete Institute (ACI).
ACI 440.3R-04 Guide Test Methods for Fiber-Reinforced Polymers (FRPs) for Reinforcing or Strengthening Concrete Structures American Concrete Institute, American Concrete Institute (ACI).
ACI 440.3R-12 Guide Test Methods for FiberReinforced Polymer (FRP) Composites for Reinforcing or Strengthening Concrete and Masonry Structures American Concrete Institute, American Concrete Institute (ACI).
ACI 440.1R-15 Guide for the Design and Construction of Structural Concrete Reinforced with Fiber-Reinforced Polymer (FRP) Bars American Concrete Institute, American Concrete Institute (ACI).
D7957/D7957M − 17 Standard Specification for Solid Round Glass Fiber Reinforced Polymer Bars for Concrete Reinforcement American Society for Testing Materials, American Society for Testing and Materials (ASTM International).
CAN/CSA-S806-02 Design and Construction of Building Components with Fibre-Reinforced Polymers Canadian Standards Association (CSA).
CAN/CSA-S6-06 Canadian Highway Bridge Design Code Canadian Standards Association (CSA).
CNR-DT 203/2006 Guide for the Design and Construction of Concrete Structures Reinforced with Fiber-Reinforced Polymer Bars Italian National Research Council, Consiglio Nazionale Delle Ricerche (CNR).
Recommendation for Design and Construction of Concrete Structures Using Continuous Fiber Reinforcing Material Japanese Society of Civil Engineers, Japan Society of Civil Engineers (JSTE).
Japanese Design and Construction Guidelines for Seismic Retrofit of Building Structures with FRP Composites Japan Building Disaster Prevention Association (JBDPA).
GOST 31938-2022 COMPOSITE POLYMER REINFORCEMENTS FOR REINFORCING CONCRETE DESIGN General specifications.
SP 63.13330.2012 with amendment No. 1 (Updated version of SNiP 52-01-2003) Concrete and reinforced concrete structures. The main provisions.
GOST 32486-2015 Composite polymer reinforcement for reinforcing concrete structures. Methods for determining structural and thermomechanical characteristics.
GOST 32487-2015 Composite polymer reinforcement for reinforcing concrete structures. Methods for determining the characteristics of resistance to aggressive environments.
GOST 32492-2015 Composite polymer reinforcement for reinforcing concrete structures. Methods for determining physical and mechanical characteristics.
SP 295.1325800.2017 Concrete structures reinforced with polymer composite reinforcement. Design rules

Propiedades físicas y mecánicas
de barras FRP

Niveles De Calidad

Valores De Calidad

Límite de resistencia a la tracción σB, MPa, no menor a

1200

Módulo de elasticidad a la tracción Εf, GPA, no menor a

53

Porcentaje de alargamiento a la rotura δf, %, no menor a

2.2

Resistencia a la tracción en la sección transversal τsh, MPa, no menor a

170

Grado de endurecimiento del aglutinante de polímero, % no menor a

98

Resistencia última de adhesión al concreto τ con un coeficiente de deslizamiento de 0.5 mm, MPa. no menor a

20

Reducción de la resistencia a la tracción después de la exposición a un medio alcalino ΔσB,%,no mayor a

18

Resistencia última de adhesión al concreto con un coeficiente de deslizamiento de 0.5 mm después de la exposición a un medio alcalino τB1, MPa, no menor a

10

Contenido de relleno de barra continuo, % no menor a

83

Coeficiente de expansión térmica, longitudinal x10-6 / °C

6-10

Coeficiente de expansión térmica, transversal x10-6 / °C

21-23

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