On the reproducibility of airborne sound insulation measurements of noise barriers; a case study

status: Published onlin

SOPRANOISE: European Research on new techniques to characterize Noise Barriers acoustic performances

International audienceSOPRANOISE (Securing and Optimizing the Performance of Road trAffic noise barriers with New methOds and In-Situ Evaluation) is a new European research targeting the in-situ noise barrier acoustic performances (whatever along roads or railway tracks). Even if EN1793-5 and EN1793-6 have shown their ability to measure the sound absorption and the airborne sound insulation of noise barriers (NB) in-situ, there is still interest to simplify their use alongside roads and railway tracks. SOPRANOISE will update the State Of the Art about today methods, their significance and their accuracy to characterize the NB performances as well as their ability to be used in a quick and safe manner. Investigations will start from the easiest in-situ inspection methods up to improved versions of 1793-5 and -6. In-between, there is a gap for simplified and safe methods: SOPRANOISE aims to define the right method for the right step of decision, from the simplest to the most accurate. this research is funded by CEDR, with a schedule from 12/2019 up to 11/2021