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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Fischer, Gregor
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (34/34 displayed)
- 2021Flexural behavior of hybrid fibre-reinforced geopolymer composites (FRGC)-jacketed RC beamscitations
- 2020Durability of cracked SFRC exposed to wet-dry cycles of chlorides and carbon dioxide – Multiscale deterioration phenomenacitations
- 2019The influence of concrete maturity on the pull-out behaviour of steel fibres at early-ages
- 2019Hybrid fibre-reinforced geopolymer (HFRG) composites as an emerging material in retrofitting aging and seismically-deficient concrete and masonry structurescitations
- 2017METHOD OF MANUFACTURING A COMPOSITE STRUCTURE INCLUDING A TEXTILE FABRIC ASSEMBLY
- 2017Corrosion resistance of steel fibre reinforced concrete - A literature reviewcitations
- 2016Cracking and load-deformation behavior of fiber reinforced concrete: Influence of testing methodcitations
- 2016Phenomenological interpretation of the shear behavior of reinforced Engineered Cementitious Composite beamscitations
- 2016Corrosion resistance of steel fibre reinforced concrete – a literature review
- 2015Fretting fatigue behavior of high-strength steel monostrands under bending loadcitations
- 2015Engineered cementitious composites for strengthening masonry infilled reinforced concrete framescitations
- 2014Crack Propagation in Concrete with Silica Particlescitations
- 2014Influence of bending test configuration on cracking behavior of FRC
- 2013Experimental evaluation of the fretting fatigue behavior of high-strength steel monostrandscitations
- 2013Description of near-tip fracture processes in strain hardening cementitious composites using image-based analysis and the compact tension test
- 2013Evaluation of test methods used to characterize fiber reinforced cementitious composites
- 2012Shear crack formation and propagation in fiber reinforced cementitious composites (FRCC)
- 2012The role of residual cracks on alkali silica reactivity of recycled glass aggregatescitations
- 2012Bond slip and crack development in FRC and regular concrete specimens longitudinally reinforced with FRP or steel under tension loading
- 2012Direct assessment of tensile stress-crack opening behavior of Strain Hardening Cementitious Composites (SHCC)citations
- 2012Characterization of cracking in strain hardening cementitious composites using the compact tension test
- 2012Localized bending fatigue behavior of high-strength steel monostrands
- 2011Shear crack formation and propagation in fiber reinforced cementitious composites (FRCC)
- 2011Flexible concrete link slabs used as expansion joints in bridge decks
- 2011Shear crack formation and propagation in reinforced Engineered Cementitious Composites
- 2011A preliminary bending fatigue spectrum for steel monostrand cables
- 2011Image-based detection and analysis of crack propagation in cementitious composites
- 2011Mechanical interaction between concrete and structural reinforcement in the tension stiffening process
- 2011Near-tip analysis of crack propagation in cementitious composites
- 2010Shear behavior of reinforced Engineered Cementitious Composites (ECC) beams
- 2010Mechanical interaction of Engineered Cementitious Composite (ECC) reinforced with Fiber Reinforced Polymer (FRP) rebar in tensile loading.
- 2008Review of Japanese recommendations on design and construction of different classes of fiber reinforced concrete and application examples
- 2008Application of Engineered Cementitious Composites (ECC) in modular floor panels
- 2002Effect Of Matrix Ductility On The Performance Of Reinforced
Places of action
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article
Hybrid fibre-reinforced geopolymer (HFRG) composites as an emerging material in retrofitting aging and seismically-deficient concrete and masonry structures
Abstract
Fibre-reinforced polymer (FRP) systems have recently become popular in repairing concrete or masonry structures because of their inherent advantages. In spite of these benefits, FRPs have drawbacks having low fire resistance, poor environmental sustainability and incompatibilty with the substrate concrete. The effort to address these issues has led to the development of an emerging strain hardening cementitious (SHC) material using an inorganic polymer known as hybrid fibre-reinforced geopolymer (HFRG) composites. Compared with cement-based SHC composites, HFRG has better bond performance to concrete substrates, higher fire resistance, greater corrosion durability and helps to reduce CO<sub>2</sub> emissions. This paper reviews the recent development of HFRG composites as an emerging repair material. Literature reveals that flowability of a fresh HFRG mixture decreases with increasing fibre content though still workable up to 2% fibre volume. Fibre synergy could result in 10–181% higher flexural toughness of geopolymer composites than when just using mono fibres. The application of HFRG composites to RC beams increased displacement ductility by to 263%. To date, there has been no reported field application of HFRG as a repair material though mono-fibre FRG has been field-applied as a strengthening material in large-diameter sewer RC pipes, RC culverts, RC sewerage manholes and dam surface improvement.