Abstract
An automated and computationally cost-effective procedure, designated Life-Cycle Cost Wind Design (LCCWD) and recently proposed by the authors, is presented for the design of wind-excited tall buildings. The LCCWD is based on the evaluation of the life-cycle cost associated with wind-induced damage through the PEER equation. The “best” design configuration is obtained by comparing the lifetime cost of different design alternatives. All the main peculiarities involved in the design of high-rise buildings can be included: uncertainties in the wind load characterization and in the damage estimation, wind directionality effects, modeling of the response (modal superposition accounting for power-law function mode shapes, torsional effects, etc.), comfort issues. Moreover, the long-term monetary benefits associated with the installation of a control system can be considered. The present work is aimed at enhancing the investigation of the potentialities of the LCCWD procedure by including direct and indirect losses, different fragility/cost models and various design strategies.
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Acknowledgements
This research and the study period of Laura Ierimonti at Northeastern University in 2016 have been supported by the University of Perugia, Italy within the framework of the International PhD program between the Universities of Perugia, Florence and TU Braunschweig. Luca Caracoglia would like to acknowledge the support of the National Science Foundation (NSF) of the United States, CAREER Award CMMI-0844977 in 2009–2014, and the partial support of NSF Award CMMI-1434880. Luca Caracoglia also acknowledges the support of the University of Perugia, mobility program for visiting professors in 2015 (Decreto Rettorale D.R. 2244, 2014). Any opinions, findings and conclusions or recommendations are those of the authors and do not necessarily reflect the views of the sponsors.
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Ierimonti, L., Venanzi, I., Caracoglia, L., Materazzi, A.L. (2019). Life-Cycle Cost-Based Wind Design of Tall Buildings. In: Ricciardelli, F., Avossa, A. (eds) Proceedings of the XV Conference of the Italian Association for Wind Engineering. IN VENTO 2018. Lecture Notes in Civil Engineering, vol 27. Springer, Cham. https://doi.org/10.1007/978-3-030-12815-9_30
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