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Roof trusses commonly used in open terrain structures must be designed to withstand wind loads. In Colombia, these loads are obtained based on wind speeds specified on colombian’s NSR-10. Those speeds are based on research from 1987, and haven’t been updated since its inclusion on NSR-98. This article proposes a statistical criterion for selecting the design speed based on statistical analysis using a Weibull distribution of more recent information about regional wind speeds. Results show that wind speeds are significantly reduced compared to those proposed in the NSR-10, allowing reductions in the design loads of the structural elements.

Criterio estadístico para la selección de velocidades de viento para el diseño de armaduras de techo