Unseating prevention for multiple frame bridges using superelastic devices

By B. Andrawes, Reginald DesRoches. 2005

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Seismic Assessment of Concentrically Braced Steel Frames with Shape Memory Alloy Braces (2007, methodology): “... drifts in civil engineering structures as a result of a seismic event has led to several numerical and experimental studies which have highlighted the possibility of utilizing SMAs as a promising innovative material for the dynamic control of buildings Dolce et al. 2000; Baratta and Corbi 2002; ”
Experimental investigations of building structure with a superelastic shape memory alloy friction damper subject to seismic loads (2016, background): “…SMAs laminated rubber bearings for highway bridge (Wilde et al 2000, Johnson et al 2008, Ozbulut and Hurlebaus 2011, Bhuiyan and Alam 2012), bridge restrainers (DesRoches and Delemont 2002, Andrawes and DesRoches 2005), and bridge cable devices (Li et al 2004, Dieng et al 2013, Torra et al 2013).”
A shape memory alloy-based reusable hysteretic damper for seismic hazard mitigation (2007, background): “DesRoches and Delemont (2002) and Andrawes and DesRoches (2005) have studied the efficacy of superelastic nitinol bars as bridge restrainers to reduce the risk of collapse from unseating of bridge superstructures at the hinges.”
Analytical prediction of the seismic behaviour of superelastic shape memory alloy reinforced concrete elements (2008, background): “[3], frame bracing [4], concrete prestressing [5], damping device [6, 7], and bridge restrainers [8].”