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Metavibration
MetaVibration is an innovative underground panel which, installed close to the railway, allows to dampen effectively railway-induced groundborne vibrations.This optimized meta-structure works as a Truss structure with limited space and weight allowing thanks to its stiffness and depth to attenuate vibrations (Rayleigh waves and pressure waves).MetaVibration is the only solution on the market addressing the critical frequency range (20-50Hz) for ground-borne vibration reduction.
PIAZZA SAN MARCO FLORENCE
Metavibration has been installed in Piazza San Marco Firenze to reduce the impact of traffic vibration towards the historical church of San Marco.The installation of 80 m of MetaVibration product with 1.2 m depth lead up to 14 dB of vibration reduction at low frequency.
DEUTSCHE BAHN
Metavibration has been installed in Elze, Germany within a Proof of Concept project together with Deutsche Bahn.The tests were conducted by Heiland and Mistler with impact drop mass input and measuring insertion loss with and without MetaVibration at 8m, 16m, 32m from the source to simulate houses at different distances from the railway. The results show consistent vibration reduction of 5-8 dB at targeted frequency at all distances.
Acoustic performance
Design
Optimized cost
Easy to install
