UNIVERSAL PREFABRICATED MONOLITHIC ANTINOISE BARRIER HAVING AIR PURIFYING EFFECT

摘要

An anti-noise barrier consists of modules (1) having one or more acoustically active, soundproofing and/or deadening surfaces (3) provided with vertical side end sections having a corrugated horizontal section with the shape of an arc of circumference. Said acoustically active surfaces (3) are provided with means for pulling down gaseous polluting agents.