Experimental Testing and Analytical Modelling of Damage-Avoidance Steel Connections Using HF2V Damping Devices (2009)
Analytical modelling and model validation of high force-to-volume (HF2V) damping devices and a DAD non-dilating steel connection utilising these devices is presented. The 2D exterior connection design incorporates a top-hung angle for the beam-column connection and HF2V devices create a damage-free moment resisting connection. Experimental results show consistently repeatable hysteretic behaviour to 4% drift with neither stiffness nor strength degradation. The analytical model of the connection shows good agreement between experimental and model results. The rate-dependent model defines overall hysteresis using a predictor-corrector solution to the governing non-linear ODE. Based entirely on rational mechanics, the model does not require prior experimental data for empirical calibration, enabling simultaneous design of the desired connection mechanics and energy dissipation, and the device requirements.
CitationRodgers, G.W., Mander, J.B., Chase, J.G. (2009) Experimental Testing and Analytical Modelling of Damage-Avoidance Steel Connections Using HF2V Damping Devices. Christchurch, New Zealand: New Zealand Society of Earthquake Engineering 2009 Conference (NZSEE 2009), 3-5 Apr 2009.
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Semi-Explicit Rate-Dependent Modeling of Damage Avoidance Steel Connections Using HF2V Damping Devices Rodgers, G.W.; Mander, J.B.; Chase, Geoff (University of Canterbury. Mechanical Engineering, 2011)A rate-dependent modeling technique is developed for moment resisting steel connections that utilize non-linear viscous dampers. First, a model of the Maxwell-type is developed that considers the non-linear viscous damper ...
Model Development and Experimental Validation of Damage-Avoidance Structural Connections with Unbonded Post-Tensioned Prestress Rodgers, G.W.; Chase, Geoff; Mander, J.B. (University of Canterbury. Mechanical Engineering, 2009)In the field of earthquake engineering, damage-free structural design methods have received significant research attention in recent years due to the large economic cost associated with sacrificial design methods. In ...
Experimentally Validated FEA Models of HF2V Damage Free Steel Connections for Use in Full Structural Analyses Desombre, J.; Rodgers, G.W.; MacRae, G.A.; Rabczuk, T.; Dhakal, Rajesh; Chase, Geoff (University of Canterbury. Civil and Natural Resources EngineeringUniversity of Canterbury. Mechanical Engineering, 2011)The aim of this research is to model the behaviour of recently developed high force to volume (HF2V) passive energy dissipation devices using a simple finite element (FE) model. Thus, the end result will be suitable for ...