Effects of elevated temperature on near surface mounted and externally bonded FRP strengthening systems for concrete

Burke, Paul; Bisby, Luke; Green, Mark F.

doi:10.1016/j.cemconcomp.2012.10.003

Cited by 68 publications

(35 citation statements)

References 11 publications

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“…Burke et al [33] compared the effects of elevated temperatures on NSM and EBR systems through beam tests. Six RC beams were flexurally strengthened with NSM-CFRP strips using a typical epoxy adhesive (T g ¼ 69 C, determined by DMA) or a cementitious grout adhesive.…”

Section: Nsm Strengtheningmentioning

confidence: 99%

Fire behaviour of FRP-strengthened reinforced concrete structural elements: A state-of-the-art review

Firmo

Correia

Bisby

2015

Composites Part B: Engineering

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129

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Section: Nsm Strengtheningmentioning

confidence: 99%

Fire behaviour of FRP-strengthened reinforced concrete structural elements: A state-of-the-art review

Firmo

Correia

Bisby

2015

Composites Part B: Engineering

Self Cite

129

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“…Then FRP was added and pressed. FRP reinforcement can effectively strengthen the bending and shear resistance performance of reinforced concrete beams [10], which has many advantages compared to other reinforcement methods. Embedded FRP avoids contact with the outside world, i.e., reduce the influence of external environment on the performance of materials.…”

Section: Embedded Cfrp Platementioning

confidence: 99%

Stress performance of embedded carbon fiber reinforced plastics plate consolidated reinforced concrete structure

Zhu

2018

Frattura Ed Integrità Strutturale

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With the development of the building industry, various novel building materials have emerged. Modern buildings requires higher on performance of building materials, and the performance of old buildings has not been able to keep up the pace of the times. Extending the service time of old buildings by repairing and reinforcing is inevitable. In this study, 10 reinforced concrete beams including 2 ordinary reinforced concrete beams and 8 carbon fiber reinforced plastics (CFRP) plate reinforced test beams were manufactured. Three-dimensional finite element model was established using finite element software to simulate and compare the stress performance of the strengthening beams with different number of CFRP plate, size, number of groove and shear span ratio. The results demonstrated that the ultimate carrying capacity of the embedded CFRP plate reinforced beams was obviously superior to that of the ordinary reinforced concrete beams; two plates and two grooves were appropriate; the larger the shear span ratio, the better the bearing performance and the smaller the deformation. CFRP plate consolidated reinforced concrete can effectively stabilize buildings which need repairing and reinforcement.

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“…The cementitious adhesive system was able to support the sustained load for more than 4 hrs at 100°C and for more than 70 min at 200°C. The externally bonded FRP strengthening system bonded with epoxy was capable of withstanding more than 4 hrs at 100°C and more than 80 min at 200°C [11,12].…”

Section: Introductionmentioning

confidence: 99%

Effect of Elevated Temperature on Flexural Behavior of RC Beams with NSM CFRP

alsheikh¹,

Abdallah²

2017

J Civil Environ Eng

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The strengthening of RC structures with fiber reinforced polymer (FRP) materials has demonstrated enormous potential as a repairing material. However, their thermal and mechanical behaviors after exposure to elevated temperature remain an obstacle due to FRP's sensitivity to high temperatures as compared with order structural materials. In this paper an experimental works was conducted to study the behavior of RC beam with NSM CFRP with different adhesive materials exposed to elevated temperature of 550°C for different periods of time and cooling schemes. In this experimental study 6 beams were cast, one beam (BN) was not exposed to elevated temperature as a control beam and the remaining beams were exposed to elevated temperature. These beams were tested under four-point loading. The effect of variables was studied in terms of ultimate failure load, maximum deflection and failure mode. From the test results, it could be concluded that ready-mix mortar could be as an alternative adhesive material. The ultimate load-carrying capacity of the RC beam was reduced for longer duration of elevated temperature.

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Effects of elevated temperature on near surface mounted and externally bonded FRP strengthening systems for concrete

Cited by 68 publications

References 11 publications

Fire behaviour of FRP-strengthened reinforced concrete structural elements: A state-of-the-art review

Fire behaviour of FRP-strengthened reinforced concrete structural elements: A state-of-the-art review

Stress performance of embedded carbon fiber reinforced plastics plate consolidated reinforced concrete structure

Effect of Elevated Temperature on Flexural Behavior of RC Beams with NSM CFRP

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