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This presentation provides an overview of the data collection efforts for surface lighting at the TC4.50 Washington Meeting in June 2019, including the sources of data, comparison with old data, and the impact on lighting design.
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SURFACE r-table collection 16NRM02 SURFACE Presentation during TC4.50 meeting Valérie Muzet TC4.50 Washington Meeting: June 2019
State of data collection • Several call for data (CIE Korea, TC4.50 Berlin meeting…) • Actual set of data from lab goniophotometer • 40 r-tables from Switzerland; • 182 r-tables from France; • 18 Q0 and S1 factors from Finland. Washington Meeting: June 2019
State of data collection • Choice to consider first only stabilized pavement (≥2years) • 40 r-tables from Switzerland; • 79 r-tables from France; • 18 Q0 and S1 factors from Finland. • Data collection is composed of • 6 cement concrete, • 6 pavements with synthetic binder • 126 bituminous concrete Washington Meeting: June 2019
Comparison with old data • Lower Q0 • Are werepresentative of european pavements? Washington Meeting: June 2019
Quid use of the CIE standard tables ? • Whatare your practices ? Washington Meeting: June 2019
Surface Database Q0 S1 Washington Meeting: June 2019
Selection of medium and extreme pavements Washington Meeting: June 2019
Impact on lighting design Paper COATING Washington Meeting: June 2019