Panels for road acoustic barriers

 

Panels for road acoustic barriersDescription

PAFA series soundproof panels are made of aluminium and 100 mm. thick. They comply with UNI EN 1793 and UNI EN 1794 standards. They have a soundproof punched side and the opposite side continuous.

The PAFV series panels are sound insulated, made of transparent polymer according to UNI EN 1793.

 

PAFA structure

Casing

The semi-enclosing panel side exposed to the traffic noise is made of aluminum 1,2 mm thick. Its shaped side is punched from 2,7 to 7mm-variables diameter holes, the hole area corresponds to a 34% percentage of the total surface.

The semi-enclosing panel side exposed to the receiver is made of aluminum 1,2 mm thick, shaped and not punched.

The panel edges are strengthened by two plastic caps with anti-vibration gaskets.

 

Soundproof material

Innerly there is a mineral wool cushion 80 mm. thick, with a density not less than 85 Kg/m3;  its side exposed to noise is covered with a protective coating.

 

Structure 

The semi-enclosing panels are jointed at their longitudinal sides through self-drilling steel bolts.

The longitudinal sides have male/female devices for the assembly of the panels.

 

Painting

The external panel surface is treated with a powder coating and with a consecutive fixing in a high-temperature oven.

The minimum thickness is 60 μm.

 

Panels for road acoustic barriersPanels for road acoustic barriers

PAFV structure

Material

A transparent panel 20 mm. thick made of polymethylmethacrylat is put inside the outside frame. Along by the perimeter U-gaskets are applied.

 

Structure

The outer frame is composed of 2 bent-pressed steel S235JR outlines, with omega section and 4 bent-pressed angle steel S235JR outlines.

Outlines are jointed through M10 HH bolts.

 

Painting

The external panel surface is treated with a powder coating and with a subsequent fixing in a high-temperature oven.

The minimum thickness is 60 μm.

Panels for road acoustic barriersPanels for road acoustic barriers

 

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