Multi-hazard real-time hybrid simulation of a tall building with damped outriggers
by Chinmoy Kolay; Safwan Al-Subaihawi; Thomas M. Marullo; James M. Ricles; Spencer E. Quiel
International Journal of Lifecycle Performance Engineering (IJLCPE), Vol. 4, No. 1/2/3, 2020

Abstract: The essence of real-time hybrid simulation (RTHS) is its ability to combine the benefits of physical testing and computational simulations and thereby efficiently simulate the dynamic response of a structure. The method is known to be accurate and more affordable compared to other dynamic testing techniques. However, the RTHS technique has primarily been applied to simulate seismic effects in structures. This paper successfully extends its application to wind response simulation of a 40-storey tall building outfitted with nonlinear fluid viscous dampers. In the RTHS, the building frame is modelled numerically, and the dampers are modelled physically. A series of RTHS is performed for both seismic and wind loadings. This paper presents the RTHS implementation procedure for multiple hazards, discusses the RTHS results and summarises the issues and challenges regarding the current implementation. The paper concludes with some remarks on the essence of RTHS in performance-based engineering considering multiple hazards.

Online publication date: Mon, 10-Aug-2020

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