Now showing items 1-12 of 12

    • Built in dampers for stayed cables in bridges via SMA. The SMARTeR-ESF project: a mesoscopic and macroscopic experimental analysis with numerical simulations 

      Torra Ferré, Vicenç; Auguet Sangrá, Carlota E.; Isalgué Buxeda, Antonio; Carreras, Guillem; Terriault, Patrick; Lovey, Francisco Carlos (Elsevier, 2013-04)
      Article
      Open Access
      Shape Memory Alloys (SMAs) are good candidates for solid-state dampers appropriate for the oscillations of bridge stay cables because of their large recoverable strain, hysteresis and reasonable fatigue-life. This work ...
    • Effects of strain aging in NiTi SMA wire for dampers 

      Isalgué Buxeda, Antonio; Auguet Sangrá, Carlota E.; Torra Ferré, Vicenç; Carreras, Guillem; Lovey, Francisco Carlos (Elsevier, 2015)
      Article
      Open Access
      The thermo-mechanical properties of Shape Memory Alloys (SMA) as smart materials suggest their application as actuators, but also as dampers, thanks to the high damping properties during the hysteresis of the thermo-elastic ...
    • Effects of strain aging in NiTi SMA wires for dampers 

      Auguet Sangrá, Carlota E.; Isalgué Buxeda, Antonio; Torra, Vicenç; Carreras, Guillem; Lovey, Francisco Carlos (Universidad del Pais Vasco, 2014)
      Conference report
      Open Access
      SMA NiTi wires experience evolution under constrained aging. A strain and temperature aging sequence is designed and experimented, to ascertain the functionality of the dampers exposed to weathering
    • Experimental study of damping in civil engineering structures using smart materials (CuAlBe - SMA): an application to a steel portico 

      Torra Ferré, Vicenç; Isalgué Buxeda, Antonio; Lovey, Francisco Carlos; Carreras, Guillem; Casciati, Fabio; Soul, H. (2010)
      Article
      Restricted access - publisher's policy
      The target of the paper focuses in the required properties for successful behavior of the CuAlBe Shape Memory Alloy (SMA) in damping of steel structures under the action of earthquakes. The appropriate fracture – life, the ...
    • Experimental study of damping in civil engineering structures using smart materials (NiTi - SMA): application to stayed cables for bridges 

      Torra Ferré, Vicenç; Isalgué Buxeda, Antonio; Carreras, Guillem; Lovey, Francisco Carlos; Soul, H.; Terriault, Patrick; Dieng, Lamine (2010)
      Article
      Restricted access - publisher's policy
      Experimental study of damping in civil engineering structures was done using smart materials (NiTi SMA). The study is focused on the stayed cables for bridges. The cable oscillations are induced by wind, rain or traffic. ...
    • External temperature effects on the hysteresis of NiTi wires in dampers for stay-cables 

      Torra Ferré, Vicenç; Carreras, Guillem; Casciati, Sara; Auguet Sangrá, Carlota E. (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2014)
      Conference report
      Open Access
      The use of NiTi wires, one of the Shape Memory Alloy (SMA) materials that permits efficient damping in stayed cables for bridges, requires an appropriate behavior when exposed to the external temperature effects. The ...
    • SMA (cu-based, niti) for use in damping: the implications of reliability for long time applications and aging behavior 

      Isalgué Buxeda, Antonio; Auguet Sangrá, Carlota E.; Carreras, Guillem; Torra Ferré, Vicenç (2011)
      Conference report
      Open Access
    • SMA (NiTi): the coupling between time, temperature and cycling frequency 

      Torra, Vicenç; Auguet Sangrá, Carlota E.; Isalgué Buxeda, Antonio; Carreras, Guillem; Lovey, Francisco Carlos (2013-06-01)
      Article
      Restricted access - publisher's policy
      The main interest focuses in the necessary tools for accurate simulation of the damper behavior in their application. It’s essential a well determined knowledge of the dissipated energy and of the hysteresis cycle shape ...
    • SMA in mitigation of extreme loads in civil engineering: damping actions in stayed cables 

      Torra Ferré, Vicenç; Isalgué Buxeda, Antonio; Auguet Sangrá, Carlota E.; Carreras, Guillem; Lovey, Francisco Carlos; Terriault, Patrick; Dieng, Lamine (Trans Tech Publications, 2011-10-27)
      Article
      Open Access
      Guaranteeing the use of Shape Memory Alloys (SMA) in mitigation of extreme load effects requires a deep study of the SMA behavior according to the specific requirements of the application. In particular, for a storm is ...
    • SMA in mitigation of extreme loads in civil engineering: study of their application in a realistic steel portico 

      Torra Ferré, Vicenç; Isalgué Buxeda, Antonio; Auguet Sangrá, Carlota E.; Carreras, Guillem; Casciati, Fabio; Lovey, Francisco Carlos; Terrieault, Patrick (Trans Tech Publications, 2011-10)
      Article
      Open Access
      Guaranteeing the use of Shape Memory Alloys (SMA) in mitigation of extreme load effects requires a deep study of the SMA behavior according to the specific requirements of the applications in damping. The damper was defined ...
    • The SMA: an effective damper in civil engineering that smoothes oscillations 

      Torra Ferré, Vicenç; Isalgué Buxeda, Antonio; Auguet Sangrá, Carlota E.; Carreras, Guillem (Universitat Politècnica de Catalunya. Escola Tècnica Superior d'Enginyers de Camins Canals i Ports de Barcelona, 2011-11-16)
      Conference lecture
      Open Access
      The properties of SMA (Shape Memory Alloys, that are smart materials) are associated to a first order phase transition named martensitic transformation that occurs between metastable phases: austenite and martensite. At ...
    • The SMA: an effective damper in civil engineering that smoothes oscillations 

      Torra Ferré, Vicenç; Auguet Sangrá, Carlota E.; Carreras, Guillem; Dieng, Lamine; Lovey, F.C.; Terriault, P. (2012)
      Article
      Restricted access - publisher's policy
      The properties of SMA (Shape Memory Alloys, smart materials) are associated to a first order phase transition named martensitic transformation that occurs between metastable phases: austenite and martensite. At higher ...