Use of Fiber Reinforced Polymer Composites as Reinforcing Material for Concrete

Uomoto, Taketo; Mutsuyoshi, Hiroshi; Katsuki, Futoshi; Misra, Sarthak

doi:10.1061/(asce)0899-1561(2002)14:3(191)

Cited by 103 publications

(44 citation statements)

References 4 publications

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“…Civil construction industry have found in the fiber-reinforced polymer composites (FRPC) a strengthening material to solve many problems associated with the need of reinforcement and the deterioration of infrastructures [1]. FRPCs were being considered as a substitute for the conventional steel materials in reinforced concrete structures and guidelines for the selection of polymer adhesives for concrete have been highlighted by ACI Committee-503 [2] and Uomoto et al [3]. Issues related to selection and applications for FRPC have been discussed by Karbhari [4], Einde [5] Bank [6], Bakht [7], ACI Committee 440 [8] and Nanni et al [9].…”

Section: Introductionmentioning

confidence: 99%

“…the fillers into the mixture (resin + hardener); Mixing by hand stirring (initial dispersion); mechanical mixing by high shear (second dispersion); degassing; curing EP resin (Bisphenol-A, CY1300) + hardener (HY956) + toughening agent (spherical particles of TiO 2 ) , with %50 nm and %0.5 lm sizes and without SM Were observed a uniform dispersion of the particles into the EP composites, indicating the effectiveness of the twostep processing method for EP nanocomposite synthesis.Bittmann et al [172] TEMIncorporation of the fillers into the mixture (resin + hardener); Mixing with a high intensity ultrasonic horn; Dilution of the mixture into dichlormethane; degassing; curring (using a cyclo aliphatic hardener) EP resin (bisphenol-A, DGEBA, type: Epilox A 19-03) + cured agent (cyclo aliphatic hardener, type: Aradur HY 2954) + toughening agent (spherical particles of TiO 2 ), with a diameter of about 10 nm and a density of 4 g/cm3 and without SM Were observed some agglomerates, which were not separated even when applying the highest amplitude. The power input of the examined ultrasonic horn was not sufficient to break up all particle agglomerates (10 vol.…”

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confidence: 99%

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Mechanical properties of epoxy nanocomposites using titanium dioxide as reinforcement – A review

Pinto

Bernardo

Amaro

et al. 2015

Construction and Building Materials

128

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Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

Mechanical properties of epoxy nanocomposites using titanium dioxide as reinforcement – A review

Pinto

Bernardo

Amaro

et al. 2015

Construction and Building Materials

128

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“…[4][5][6][7][8] A comparative evaluation of life-cycle costs and environmental management issues for conventional concrete and alternative materials can aid in the selection of the best building materials for repairing or replacing existing infrastructure. Material fl ow analysis of the cement cycle is a critical component of such a comparative assessment and provides an understanding of resource supply, use, recovery, and recycling at a regional or national scale.…”

Section: Introductionmentioning

confidence: 99%

The contemporary cement cycle of the United States

Kapur

Oss

Keoleian

et al. 2009

J Mater Cycles Waste Manag

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A country-level stock and fl ow model for cement, an important construction material, was developed based on a material fl ow analysis framework. Using this model, the contemporary cement cycle of the United States was constructed by analyzing production, import, and export data for different stages of the cement cycle. The United States currently supplies approximately 80% of its cement consumption through domestic production and the rest is imported. The average annual net addition of in-use new cement stock over the period 2000-2004 was approximately 83 million metric tons and amounts to 2.3 tons per capita of concrete. Nonfuel carbon dioxide emissions (42 million metric tons per year) from the calcination phase of cement manufacture account for 62% of the total 68 million tons per year of cement production residues. The end-of-life cement discards are estimated to be 33 million metric tons per year, of which between 30% and 80% is recycled. A signifi cant portion of the infrastructure in the United States is reaching the end of its useful life and will need to be replaced or rehabilitated; this could require far more cement than might be expected from economic forecasts of demand for cement.Key words Material fl ow analysis · Cement · Construction and demolition waste · United States · Sustainable infrastructure J Mater Cycles Waste Manag (2009) 11:155-165

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“…El sistema de polímeros reforzados con fibras de carbono (CFRP, por sus siglas en inglés) consiste en fibras finas compuestas de cristales de grafito embebidas en una matriz de resina, cuya función es mantener las fibras unidas, protegerlas y trasmitir la carga a estas fibras (Uomoto, Mutsuyoshi, Katsuki y Misra, 2002). En el caso del refuerzo con CFRP, la resina puede ser aplicada in situ sobre la fibra.…”

Section: Introductionunclassified

Comportamiento a flexión de losas de puentes de concreto, reforzadas externamente con CFRP

Carro

Mojica²

2018

Ingeniería

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Se evaluó el comportamiento a flexión de secciones de losas de puentes de concreto que fueron sometidas a un estado de agrietamiento y posteriormente reparadas con polímeros reforzados con fibras de carbono (CFRP).Se construyeron tres losas de concreto: un espécimen de tipo control (sin refuerzo con CFRP) y dos especímenes para evaluar el refuerzo con CFRP. El esquema de carga consistió en colocar las losas sobre tres apoyos simples y aplicar dos cargas puntuales que generasen momento positivo y negativo. Se sometieron las losas por reforzar a un 80% de su carga última para generar agrietamiento que requiriese reparación. Se repararon las grietas cuyos anchos de grieta superaron los 0.3 mm mediante inyección de epóxico y se reforzaron los dos especímenes con CFRP en las zonas de momento positivo y negativo. Finalmente se cargaron los tres especímenes hasta la falla.Se obtuvo que las losas reforzadas con CFRP fueron 36% más resistentes que la losa control. Además se compararon los resultados experimentales de este proyecto con los resultados de la investigación de Carranza (2017). Se concluyó que ambas investigaciones dieron resultados similares, con porcentajes de diferencia entre un 10% y 14%.

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Use of Fiber Reinforced Polymer Composites as Reinforcing Material for Concrete

Cited by 103 publications

References 4 publications

Mechanical properties of epoxy nanocomposites using titanium dioxide as reinforcement – A review

Mechanical properties of epoxy nanocomposites using titanium dioxide as reinforcement – A review

The contemporary cement cycle of the United States

Comportamiento a flexión de losas de puentes de concreto, reforzadas externamente con CFRP

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