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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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Aslani, Farhad
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (71/71 displayed)
- 2024Advanced shape memory alloy fibers designed to enhance crack closure and re-centring performance in cement-based compositescitations
- 2024Comparison of outlier detection approaches for compressive strength of cement-based mortarscitations
- 2024Measurement techniques for electromagnetic interference shielding and microwave absorption in porous nanocomposites
- 2024Evaluating the effects of recycled concrete aggregate size and concentration on properties of high-strength sustainable concretecitations
- 2024Blast resistance of 3D-printed Bouligand concrete panels reinforced with steel fiberscitations
- 2023Performance of 3D printed columns using self-sensing cementitious compositescitations
- 2023Splitting tensile strength of recycled tire steel fiber-reinforced alkali-activated slag concrete designed by Taguchi methodcitations
- 2023Effect of electric arc furnace slag and magnetite materials on EMI shielding properties of cementitious compositescitations
- 2022Effect of Carbon Fibres on Electromagnetic-Interference-Shielding Properties of Geopolymer Compositescitations
- 2022Pullout behaviour of shape memory alloy fibres in self-compacting concrete and its relation to fibre surface microtopography in comparison to steel fibrescitations
- 2022Non-Destructive Evaluation of Mortar with Ground Granulated Blast Furnace Slag Blended Cement Using Ultrasonic Pulse Velocitycitations
- 2022Nano-modification of the rheological properties of cementitious compositescitations
- 2022Effect of impurities of steel fibers extracted from shredded tires on the behavior of fiber-reinforced concretecitations
- 2022Deicer Salt-Scaling Resistance of Concrete Using Recycled Concrete Aggregates Pretreated by Silica Fume Slurrycitations
- 2022Additive and alternative materials to cement for well plugging and abandonmentcitations
- 2022Mix design of concretecitations
- 2022Flexural toughness and compressive stress–strain behaviour of pseudoelastic shape memory alloy fibre reinforced concretecitations
- 2021Chloride ion permeability improvement of recycled aggregate concrete using pretreated recycled aggregates by silica fume slurrycitations
- 2021Electromagnetic shielding properties of cementitious composites containing carbon nanofibers, zinc oxide, and activated carbon powdercitations
- 2021The effect of hollow glass microspheres, carbon nanofibers and activated carbon powder on mechanical and dry shrinkage performance of ultra-lightweight engineered cementitious compositescitations
- 2021Piezoresistive sensing of cementitious composites reinforced with shape memory alloy, steel, and carbon fibrescitations
- 2021Piezoelectric behaviour of hybrid engineered cementitious composites containing shape-memory alloy, steel, and carbon fibres under compressive stress cyclescitations
- 2021Crack recovery and re-centring performance of cementitious composites with pseudoelastic shape memory alloy fibrescitations
- 2021Effects of initial SiO2/Al2O3 molar ratio and slag on fly ash-based ambient cured geopolymer propertiescitations
- 2021Nano- and micro-scale characterisation of interfacial transition zone (ITZ) of high volume slag and slag-fly ash blended concretes containing nano SiO2 and nano CaCO3citations
- 2021Effect of 3D, 4D, and 5D hooked-end type and loading rate on the pull-out performance of shape memory alloy fibres embedded in cementitious compositescitations
- 2021The ultimate shear capacity of longitudinally stiffened steel-concrete composite plate girderscitations
- 2021The development of a novel analytical model to design composite steel plate shear walls under eccentric shearcitations
- 2021An experimental and simulation-based study on the effect of carbonyl iron, heavyweight aggregate powders, and carbon fibres on the electromagnetic shielding properties of cement-based compositescitations
- 2020The effect of shape memory alloy, steel, and carbon fibres on fresh, mechanical, and electrical properties of self-compacting cementitious compositescitations
- 2020The effect of specimen geometry on the compressive and tensile strengths of self-compacting rubberised concrete containing waste rubber granulescitations
- 2020Electromagnetic shielding properties of carbon fibre reinforced cementitious compositescitations
- 2020Compressive and tensile strength fracture models for heavyweight geopolymer concretecitations
- 2020The synergistic effects of shape memory alloy, steel, and carbon fibres with polyvinyl alcohol fibres in hybrid strain-hardening cementitious compositescitations
- 2020Ultra-lightweight engineered cementitious composite using waste recycled hollow glass microspherescitations
- 2020Effect of water to cement ratio, fly ash, and slag on the electromagnetic shielding effectiveness of mortarcitations
- 2020Experimental investigation of the behavior of concrete-filled high-strength glass fiber-reinforced polymer tubes under static and cyclic axial compressioncitations
- 2020High-performance fibre-reinforced heavyweight self-compacting concretecitations
- 2020Influence of different curing conditions and water to cement ratio on properties of self-compacting concretescitations
- 2020Development of Lightweight Rubberized Geopolymer Concrete by Using Polystyrene and Recycled Crumb-Rubber Aggregatescitations
- 2020Evaluation of the efficacy of using engineered cementitious composites in RC beam-column jointscitations
- 2020Durability properties evaluation of self-compacting concrete prepared with waste fine and coarse recycled concrete aggregatescitations
- 2020Constitutive relationships for CNF-reinforced engineered cementitious composites and CNF-reinforced lightweight engineered cementitious composites at ambient and elevated temperaturescitations
- 2020An investigation into the mechanical behaviour of fibre-reinforced geopolymer concrete incorporating NiTi shape memory alloy, steel and polypropylene fibrescitations
- 2020Durability assessment of concrete containing surface pretreated coarse recycled concrete aggregatescitations
- 2019The Effect of Fine and Coarse Recycled Aggregates on Fresh and Mechanical Properties of Self-Compacting Concretecitations
- 2019Effect of specimen shape, silica fume, and curing age on durability properties of self-compacting concrete incorporating coarse recycled concrete aggregatescitations
- 2019Rheology and workability of SCCcitations
- 2019Fire performance of heavyweight self-compacting concrete and heavyweight high strength concretecitations
- 2019Effect of silica fume on durability of self-compacting concrete made with waste recycled concrete aggregatescitations
- 2019Heat curing as a means of postprocessing influence on 3D printed mortar specimens in powderbased 3D printing
- 2019Development of Heavyweight Self-Compacting Concrete and Ambient-Cured Heavyweight Geopolymer Concrete Using Magnetite Aggregatescitations
- 2019Review of strength behaviour of circular concrete filled steel tubes under monotonic pure bendingcitations
- 2019Tio2-based photocatalytic cementitious compositescitations
- 2019A review on recent advancement of electromagnetic interference shielding novel metallic materials and processescitations
- 2018Mechanical and flexural performance of synthetic fibre reinforced geopolymer concretecitations
- 2017Analysis and design of demountable embedded steel column base connectionscitations
- 2017Durability assessment of self-compacting concrete with fly ashcitations
- 2016Confinement models for high strength short square and rectangular concrete-filled steel tubular columnscitations
- 2016Analysis and design of demountable steel column-baseplate connectionscitations
- 2016Mechanical properties of waste tire rubber concretecitations
- 2016Confined concrete model of circular, elliptical and octagonal CFST short columnscitations
- 2015Spiral welded tubes - imperfections, residual stresses, and buckling characteristics
- 2015Thermal performance modeling of geopolymer concretecitations
- 2014Flexural toughness characteristics of self-compacting concrete incorporating steel and polypropylene fibrescitations
- 2013Energy dissipation in self-compacting concrete with or without fibers in compression
- 2012Bond constitutive relationship for steel fiber reinforced self-compacting concrete
- 2012Bond characteristics of steel fiber and deformed reinforcing steel bar embedded in steel fiber reinforced self-compacting concrete (SFRSCC)citations
- 2012Mechanical properties of conventional and self-compacting concretecitations
- 2011Cyclic constitutive model for high-strength concrete confined by ultra-high-strength and normal-strength transverse reinforcements
- 2011Evaluation and comparison of the compressive stress-strain relationships of self-compacting concrete and conventional concrete
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article
Advanced shape memory alloy fibers designed to enhance crack closure and re-centring performance in cement-based composites
Abstract
<p>Crack-closing and re-centring attributes were observed in cementitious composites utilising segmented pseudoelastic shape memory alloy fibres (S-PSMAFs) developed in this study. S-PSMAFs, produced via laboratory deep drawing, displayed notable strain recovery capacity during detwinning and martensite phases in direct cyclic tensile tests. Cementitious composites incorporating S-PSMAFs at 0.5%, 0.75%, and 1.0% dosages underwent testing in static and cyclic flexure using both unnotched and notched beams. Results were compared with steel fibre (SF) reinforced specimens. Digital image correlation (DIC) provided full-field strain maps and crack propagation data. The cyclic testing allowed assessment of crack-closing and re-centring behaviour at varying deflections post-cracking and at ultimate limit state deflections. S-PSMAF-reinforced composites maintained a crack-closure ratio between 52% and 60% even at larger crack sizes (e.g., 3 mm). Re-centring ratios ranged from 80% to 55%, dependent on the imposed displacement amplitude of cycles. In contrast, SF-reinforced beams lacked effective crack-closing or re-centring behaviour, with both ratios decreasing drastically to about 10% over cycles. Additionally, S-PSMAF-reinforced composites exhibited higher flexural toughness, ductility, force reduction performance factor, greater energy dissipation, and smaller crack sizes compared to their SF-reinforced counterparts.</p>