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CONICET Digital
Article . 2018
License: CC BY NC SA
Data sources: CONICET Digital
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Velocidades de viento extremas en el nordeste de Argentina

Authors: Natalini, Bruno; Natalini, Mario Bruno;

Velocidades de viento extremas en el nordeste de Argentina

Abstract

El mapa de vientos extremos del reglamento CIRSOC 102 fue actualizado en 1997 a partir de registros que comprenden el período 1967-1990. La información contenida en este mapa está representada por la Velocidad Básica de Viento, V. La contribución de la incertidumbre de V a la incertidumbre total de la carga de viento de diseño de un edificio o estructura, es dominante respecto a todas las otras variables que conforman la carga de viento. Algunos autores colocan esta contribución por arriba del 70%, lo que da una idea de la importancia de contar con estimaciones de V de buena calidad. Por esta razón, los mapas de vientos extremos son actualizados periódicamente. En este trabajo se presentan resultados de V calculados a partir de datos actualizados de siete estaciones meteorológicas en el nordeste de argentina (región NEA). Los valores son sensiblemente más bajos que los del CIRSOC 102; una diferencia que se magnifica cuando se la evalúa a nivel de cargas de viento resultante. Los registros fueron depurados previamente de registros anuales incompletos o medidos con instrumentación inadecuada. Se presentan por primera vez para Argentina los intervalos de confianza del 95%. Se presentaron también valores de V consolidando algunas estaciones en superestaciones, observándose reducciones del intervalo de confianza de 30 a 50%.

The extreme wind map of the Argentinean code of practice CIRSOC 102 was updated in 1997 from records of the period 1967-1990. The information contained in this map is represented by the Basic Wind Speed, V. The contribution of the uncertainty of V to the whole uncertainty of the design wind load, of either a building or structure, is dominant with regard to the other variables that make up the wind load. Some authors asses this contribution to be above 70%, which underlines the importance of having good quality estimations of V. For this reason the extreme wind maps are updated periodically.In this work, results of V calculated from updated records of seven meteorological stations in north-eastern Argentina (NEA region) are presented. The values turn out to be noticeably lower than those of the CIRSOC 102; a reduction that is magnified when evaluated in terms of resulting wind loads. The records have been previously depurated after a combined assessment of both the quality of the instrumentation and the completeness of every yearly record. 95% confidence limits are presented, being the first time confidence limits are published for Argentina. Further values of V obtained after consolidating data of some stations in superstations are presented. Reductions of the confidence limits ranging 30% to 50% were observed.

Fil: Natalini, Bruno. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Investigación Para El Desarrollo Territorial y del Habitat Humano. Universidad Nacional del Nordeste. Facultad de Arquitectura y Urbanismo. Instituto de Investigación Para El Desarrollo Territorial y del Habitat Humano.; Argentina. Universidad Nacional del Nordeste. Facultad de Ingeniería; Argentina

Fil: Natalini, Mario Bruno. Universidad Nacional del Nordeste. Facultad de Ingeniería; Argentina

Country
Argentina
Keywords

Wind map, Engineering, Civil, Engineering, Multidisciplinary, Soil Science, Transportation, Codificación, Mechanics, Engineering, Marine, Viento, Codification, Construction & Building Technology, Extremes wind speeds, https://purl.org/becyt/ford/2.1, https://purl.org/becyt/ford/2, Velocidades extremas

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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