NMO: Recent submissions

Now showing items 1-20 of 93

Fire-retardant and fire-resistant coatings: From industry to the potential use on cultural heritage

Soares, I.; Ferreira, J.; Silva, H. M.; Rodrigues, M. P. (Elsevier, 2024-07)

Fire is one of the most damaging deterioration agents in a short time of action. It can cause considerable damage, leading to the loss of lives and possessions. Concerning fire safety recommendations, buildings must be ...
Freeze-thaw durability of vacuum infused glass fibre composites with unsaturated polyester and vinyl ester matrices

Hasan, T.; Correia, J. R.; Garrido, M.; Soares, F.; Cabral-Fonseca, S.; Jorge, M.; J. SENA-CRUZ (Elsevier, 2024-11)

This paper presents an experimental study about the effects of freeze-thaw cycles (FTC) on the mechanical and thermomechanical properties of glass-fibre reinforced polymer composite laminates produced by vacuum infusion ...
Durabilidade da ligação betão-CFRP em sistemas de reforço com as técnicas EBR e NSM sob efeito de envelhecimento natural

R. CRUZ; L. CORREIA; Cabral-Fonseca, S.; J. SENA-CRUZ (LNEC, 2022-03)

A durabilidade das estruturas de betão armado reforçadas com polímeros reforçados com fibras de carbono (CFRP) tem vindo a ser estudada essencialmente através de protocolos de envelhecimento acelerado em laboratório, ...
Durability of bond of EBR CFRP laminates to concrete under real-time field exposure and laboratory accelerated ageing

R. CRUZ; L. CORREIA; Cabral-Fonseca, S.; J. SENA-CRUZ (Elsevier, 2023-03-27)

The durability of bond between carbon fibre-reinforced polymer (CFRP) laminates and concrete with the externally bonded reinforcement (EBR) technique was investigated under real-time field exposure (RTFE) and accelerated ...
Durability of bond between NSM CFRP strips and concrete under real-time field and laboratory accelerated conditioning

R. CRUZ; L. CORREIA; Cabral-Fonseca, S.; J. SENA-CRUZ (ASCE, 2022-09-12)

This investigation addresses the durability of the adhesive bond between near-surface-mounted (NSM) carbon fiber-reinforced polymer (CFRP) strips and concrete, under real-time field conditioning and laboratory-accelerated ...
Prediction of long-term performance and definition of a moisture conversion factor for the durability design of pultruded GFRP profiles under hygrothermal exposure

Garrido, M.; Sousa, J.; Correia, J. R.; Cabral-Fonseca, S. (Elsevier, 2022-02-17)

This paper presents long-term prediction models for the mechanical property retention of pultruded GFRP materials, with either isophthalic unsaturated polyester or vinyl ester resin, derived from a set of experimental results ...
Effects of the preparation, curing and hygrothermal conditions on the viscoelastic response of a structural epoxy adhesive

R. CRUZ; L. CORREIA; Cabral-Fonseca, S.; J. SENA-CRUZ (Elsevier, 2021-07-25)

This paper addresses the viscoelastic behaviour of a commercially available cold-curing structural epoxy adhesive, under different preparation, curing and hygrothermal conditions. The main parameters studied were the ...
Durability of epoxy adhesives and carbon fibre reinforced polymer laminates used in strengthening systems: Accelerated ageing versus Natural ageing

R. CRUZ; L. CORREIA; Cabral-Fonseca, S.; J. SENA-CRUZ (MDPI, 2021-03-21)

This work addresses the durability of structural epoxy adhesives and carbon fibre reinforced polymer (CFRP) laminates typically used in strengthening of existing reinforced concrete structures exposed to natural ageing. ...
Hygrothermal ageing of pultruded GFRP profiles: Comparative study of unsaturated polyester and vinyl ester resin matrices

Sousa, J.; Garrido, M.; Correia, J. R.; Cabral-Fonseca, S. (Elsevier, 2020-11-06)

The durability of pultruded GFRP composites is critical to their performance in civil engineering applications, for which comprehensive and validated data is limited. To address this issue, this study presents an ...
Estação meteorológica do LNEC – Compilação de dados – Ano 2020 - Edifício Principal – Terraço da Ala Nascente

Cabral-Fonseca, S. (2023-04)

No presente relatório apresentam-se os dados meteorológicos do ano de 2020 recolhidos na estação meteorológica existente no Núcleo de Materiais Orgânicos do Departamento de Materiais do LNEC, em Lisboa
Estação meteorológica do LNEC – Compilação de dados – Ano 2019 - Edifício Principal – Terraço da Ala Nascente

Cabral-Fonseca, S. (2023-04)

No presente relatório apresentam-se os dados meteorológicos do ano de 2019 recolhidos na estação meteorológica existente no Núcleo de Materiais Orgânicos do Departamento de Materiais do LNEC, em Lisboa
Estação meteorológica do LNEC – Compilação de dados – Ano 2018 - Edifício Principal – Terraço da Ala Nascente

Cabral-Fonseca, S. (2023-01)

No presente relatório apresentam-se os dados meteorológicos do ano de 2018 recolhidos na estação meteorológica existente no Núcleo de Materiais Orgânicos do Departamento de Materiais do LNEC, em Lisboa.
Estação Meteorológica do LNEC – Compilação de dados – Ano 2017 - Edifício Principal – Terraço da Ala Nascente

Cabral-Fonseca, S. (2023-01)

No presente relatório apresentam-se os dados meteorológicos do ano de 2017 recolhidos na estação meteorológica existente no Núcleo de Materiais Orgânicos do Departamento de Materiais do LNEC, em Lisboa.
Regras para a concessão de documentos de aplicação a revestimentos por pintura elastoméricos para rebocos de cimento e para betão em superfícies exteriores de edifícios

Silva, H. M.; Cabral-Fonseca, S.; Rodrigues, M. P. (2021-08)

No presente relatório descrevem-se os procedimentos adotados pelo LNEC, no âmbito do estudo a efetuar para a concessão de um Documento de Aplicação (DA), relativo a revestimentos por pintura elastoméricos para rebocos de ...
Hygrothermal ageing of pultruded GFRP profiles: Comparative study of unsaturated polyester and vinyl ester resin matrices

Sousa, J.; Garrido, M.; Correia, J. R.; Cabral-Fonseca, S. (Elsevier Ltd, 2020-11-06)

The durability of pultruded GFRP composites is critical to their performance in civil engineering applications, for which comprehensive and validated data is limited. To address this issue, this study presents an extensive ...
In-service performance of fiber-reinforced polymer construction used in water and sewage treatment plants

Castelo, A.; Correia, J. R.; Cabral-Fonseca, S.; Brito, J. (ASCE, 2020-05-07)

Fibre reinforced polymer (FRP) composites are being increasingly used in the construction sector, especially in corrosion-prone applications. However, there is still a lack of knowledge about their long-term behaviour under ...
Durability of adhesively bonded joints between pultruded GFRP adherends under hygrothermal and natural ageing

Sousa, J.; Correia, J. R.; J. GONILHA; Cabral-Fonseca, S.; J.P. FIRMO; Keller, T. (Elsevier Ltd, 2018-09-23)

This paper presents an experimental and numerical study about the durability of adhesively bonded joints between pultruded glass fibre reinforced polymer (GFRP) adherends for civil engineering applications. Single lap joint ...
Effects of thermal cycles on adhesively bonded joints between pultruded GFRP adherends

Sousa, J.; Correia, J. R.; Firmo, João P.; Cabral-Fonseca, S.; J. GONILHA (Elsevier Ltd, 2018-02-27)

This paper presents an experimental study about the effects of thermal cycles on adhesively bonded joints between pultruded glass fibre reinforced polyester (GFRP) adherends used in civil engineering structural applications. ...
Inspection, diagnosis and rehabilitation systems for all-fibre-reinforced polymer constructions

Castelo, A.; Correia, J. R.; Cabral-Fonseca, S.; Brito, J. (Elsevier Ltd, 2020-04-23)

In the past few decades, the construction industry has been increasingly using fibre reinforced polymer (FRP) materials, due to their advantages in comparison with traditional materials, especially in aggressive environments. ...
Some permanent effects of hygrothermal and outdoor ageing on a structural polyurethane adhesive used in civil engineering applications

Sousa, J.; Correia, J. R.; Cabral-Fonseca, S. (Elsevier Ltd, 2018-04-27)

This paper presents an experimental study about the effects of hygrothermal and outdoor ageing on a polyurethane (PUR) adhesive used in civil engineering applications. Small scale adhesive coupons were exposed to different ...

Now showing items 1-20 of 93

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