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Abstract
The Standard Practice for Roadway Lighting has been based on average levels of horizontal footcandles (illuminance) for many years. Application techniques and luminaire distributions have evolved for achieving the levels and uniformity required. Those same techniques are suitable for achieving the design goals of average levels and uniformity of pavement luminance. By increasing such levels and uniformity, the resulting smoothly bright pavements are attractive—but do these techniques and criteria assure improved visibility?
La norme Standard Practice for Roadway Lighting (Pratique normalisée pour l'éclairage routier) est, depuis bien des années, fondée sur des niveaux moyens de bougies-pied horizontales (illuminance). Des techniques d'application et des distributions de luminaires ont été mises au point pour atteindre les niveaux et l'uniformité nécessaires. Les mêmes méthodes servent à atteindre les objectifs d'étude de niveaux moyens et d'uniformité de luminance du pavé. En angmentant ces niveaux et cette uniformité, on obtient des pavés bien éclairée et attirants, mais ces techniques et ces critères améliorent-ils la visibilité?
La Prártiea Usual para Iluminación de Carreteras ha sido basada en niveles promedios de bujías-pie horizontales (iluminación) por muchos años. Las técnicas de aplicación y las distribuciones de las luminarias han evolucionado para alcanzar los niveles y uniformidad requeridos. Estas mismas técnicas son apropiadas para alcanzar las metas de diseño de niveles promedio y uniformidad de iluminación de pavimento. Aumentando dichos niveles y uniformidad, se obtienen pavimentos atractivos de una claridad suave, ¿pero aseguran estas técnicas y criterios una mejor visibilidad,
Additional information
Notes on contributors
M. E. Keck
A paper presented at the Annual IES Conference, August 8 through 12, 1982, Atlanta, Georgia. Authors: Mr. Keck is a lighting consultant in Vicksburg, MS; Mr. Loch and Mr. Shelby are with the ITT Lighting Fixture Division in Southaven, MS.
C. H. Loch
A paper presented at the Annual IES Conference, August 8 through 12, 1982, Atlanta, Georgia. Authors: Mr. Keck is a lighting consultant in Vicksburg, MS; Mr. Loch and Mr. Shelby are with the ITT Lighting Fixture Division in Southaven, MS.
B. L. Shelby
A paper presented at the Annual IES Conference, August 8 through 12, 1982, Atlanta, Georgia. Authors: Mr. Keck is a lighting consultant in Vicksburg, MS; Mr. Loch and Mr. Shelby are with the ITT Lighting Fixture Division in Southaven, MS.