Noise walls (also known as acoustic, sound or noise barriers) are precast concrete elements that are designed to inhibit the transmission of sound waves. There are 3 basic types (all of which can be manufactured with a variety of finishes).
Generally are placed at the road edge to reflect traffic noise. Some sound still passes over the barrier but there is a reduction in overall noise level behind the barrier. Reflective barriers are typically higher than other types.
These disperse the noise upwards and/or downwards due to their inclination and surface pattern. They are often considered to be a variation of the reflective barrier.
Sound is absorbed and dissipated by sound wave pressure moving through a carefully designed membrane or passage. These barriers generally use a propriety system for the sound absorption. Generally they are not effective for wide easements.
Download information from the Precast Concrete Handbook here.
Noisewalls Windsor Road, Sydney
Fremantle Rail Loop
· Superior structural outcome
· Quality product
- Off-site manufacture means high quality
- High strength, factory produced, long life precast concrete offers the ultimate outcome with minimal maintenance
· High load capacity
· Reduction in formwork and propping
· A sustainable solution
- Significant sustainability advantages through de-materialisation
· Faster construction time
- Quick installation by highly skilled crews
- Less weather dependent
· Simplified and safer construction process
- Less trades on site
- Less exposure to OHS and industrial relations risks
- Less waste
- Less materials handling
· High quality surface finishes.
For more information regarding this product please refer to 220.127.116.11 of the Precast Concrete Handbook (click here to buy the Handbook) or talk to one of our Members.
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