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Structural Reliability Estimates and Database-Assisted Design for Wind

Published

Author(s)

F Minciarelli, Fahim H. Sadek, Emil Simiu, Mircea Grigoriu

Abstract

We propose a probabilistic methodology for developing improved estimates of extreme wind effects and load factors in standard provisions for wind loads. We obtained the following results: (1) the discrepancy between current estimates of safety indices for gravity and wind loads is an artifact that can be removed by using current knowledge on probability distributions of extreme wind speeds; (2) the disregard in the ASCE 7-98 Standard of (a)knowledge uncertainties, and (b) errors inherent in the limited number of climatological data on which hurricane wind speed simulations are based, leads to incorrect wind load factor estimates for hurricane-prone regions; and (3) increasing beyond 30 min the length of pressure records used for the estimation of fluctuation peaks appears to have a relatively small effect on estimates of overall wind effects.
Proceedings Title
Structural Safety and Reliability, International Conference |8th| Proceedings of the Eighth International Conference, ICOSSAR '01 |Balkema
Conference Dates
June 17-21, 2001
Conference Location
Undefined
Conference Title
Structural Safety and Reliability

Keywords

building technology, chaotic resonance, hopping rates, signal-to-noise ratio

Citation

Minciarelli, F. , Sadek, F. , Simiu, E. and Grigoriu, M. (2002), Structural Reliability Estimates and Database-Assisted Design for Wind, Structural Safety and Reliability, International Conference |8th| Proceedings of the Eighth International Conference, ICOSSAR '01 |Balkema, Undefined (Accessed April 18, 2024)
Created May 31, 2002, Updated October 12, 2021