Performance of RC beams strengthened with self-prestressed Fe-SMA bars exposed to freeze-thaw cycles and sustained load

•Iron-Based shape memory alloys bars were used in strengthening RC beams.•Strengthening with Fe-SMA resulted in significant improvement in flexural performance.•Freeze-thaw exposure resulted in a minimal deterioration on the strengthened beam.•Beams strengthened with Fe-SMA “self-prestressing” exper...

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Veröffentlicht in:	Engineering structures 2018-08, Vol.169, p.107-118
Hauptverfasser:	Rojob, Hothifa, El-Hacha, Raafat
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloys Beams (structural) Deformation effects Ferrous alloys Freeze thaw cycles Freeze-thawing Freeze–thaw exposure Intermetallic compounds Iron Iron-based shape memory alloys Long-term performance Nickel Nickel base alloys Nickel compounds Prestressing Reinforced concrete Shape effects Shape memory Shape memory alloys Strengthening RC beams Structural engineering Temperature Tension Titanium compounds Ultimate loads
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