Chloride ingress and macro-cell corrosion of steel in concrete made with recycled brick aggregate

Mohammed, Tarek Uddin; Rahman, M.; Ahmed, Sabbir; Hasan, Mohammad Mehedi; Mamun, A. A.

doi:10.1007/s11709-021-0769-x

Cited by 3 publications

(1 citation statement)

References 24 publications

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“…Studies on the durability of steel embedded in concrete structures now generate a lot of interest, as exemplified in recent publications [5][6][7][8][9][10]. Numerous structures have been examined for their structural integrities, and corrosion is identified as a significant threat affecting these assets' durability [11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Making a Case for Hybrid GFRP-Steel Reinforcement System in Concrete Beams: An Overview

2023

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Ageing concrete infrastructures are known to be facing deterioration, especially regarding the corrosion of their reinforcing steel. As a solution, glass fibre-reinforced plastic (GFRP) bars are now considered a reinforcement alternative to conventional steel, and design codes now exist for designing GFRP-RC structures. However, there is a need to improve on addressing the limited plastic yield in GFRPs. Consequently, it is suggested that a hybrid steel–GFRP RC system can enhance the mechanical performance of flexure beams up to the required standard and, at the same time, address the durability concerns of steel-only RC beams. This overview presents the studies conducted to enhance the performance of hybrid GFRP–steel RC beams by reviewing the analytical models proposed to improve the various aspects of reinforcement design. The models consider mechanical effects such as ductility, crack width, flexure and shear, and the physical effects such as thermal stability when exposed to the temperature. Though the evidence reviewed supports the viability of the hybrid GFRP–steel reinforcing system to address ductility, much is still required in the area of research, as highlighted in the future outlook.

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