Full -Scale Validation of the Wind-Induced Response of Tall Buildings: Updated Findings from the Chicago Monitoring Project

Abstract eng:
While high-rise construction serves as one of the most challenging projects undertaken by society each year, tall buildings are one of the few constructed facilities whose design relies solely upon analytical and scaled models, which, though based upon fundamental mechanics and years of research and experience, has yet to be systematically validated in full-scale. In response to this deficiency, a fullscale monitoring project was initiated through the combined efforts of members of academe (University of Notre Dame), a design firm (Skidmore, Owings and Merrill, Chicago) and a wind tunnel laboratory (Boundary Layer Wind Tunnel Laboratory, University of Western Ontario). The objective of this program is to monitor the full-scale response of three tall buildings in Chicago and compare this to the predictions from wind tunnels and finite element models used in their design, suggesting changes where appropriate to refine the design state-of-the-art. This also includes an evaluation of the in-situ periods and damping ratios over a range of response amplitudes. This paper overviews the research project, current status of activities and presents updated findings of the program.

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