Our engineered and manufactured noise barriers are widely used to mitigate these noise and vibratory disturbance.
Several parameters come into play when building a noise barrier:
- The size and purpose of the barrier
- Desired noise reduction coefficient
- The material to be used
- Anticipated wind effects
- Foundation characteristics
- Service life
These parameters define the materials and barrier configuration required to absorb or deflect noise.
Free standing sound barrier
FanWall™ is a proven and economical free-standing sound barrier and is used in residential, commercial and industrial sites. It is a free-standing noise barrier made of full-height or stacked rotatable concrete panels, assembled using a tensioned wire rope connection. FanWall™ can be installed on a concrete levelling pad or on a simple gravel pad. Panels are placed based on the desired layout, then connected with tensioned strands. The wall is backfilled along the footing with a shallow gravel footing (normally a 30cm to 60cm depth on both sides).
FanWall™ presents several benefits. The rotatable, interlocking panel joint has sufficient residual angular rotation and vertical movement to eliminate the damaging effects of expansion, contraction, and frost heave which is common to other long-wall alternatives. Other benefits:
- Self-supporting design and footprint eliminates the need for deep foundation support.
- Durable precast units furnished with textures on both visible sides with optional sound absorptive features.
- Structures can be dismantled for re-use, relocation and with 100% salvageability.
- Fanwall™ is proven and tested to meet AASHTO >100mph wind loading and durability
Post-and-panel noise walls
Our innovative StresTec™ post-and-panel noise barrier solution is focused on the mechanical connection of the precast posts to the shallow, low-depth shafts. Posts are situated in cannisters and can be temporarily supported through light prestressing as an option. Our method allows flexibility to make adjustments in terms of roadway offset, post spacing and post alignment. Once all adjustments are complete, the embedded cannisters are grouted via a pre-positioned integrated grout pump (optional) assuring proper post positioning and stabilisation.
The innovation eliminates the need for external bracing, and allows for alignment adjustments. The segmental stacked panels are set between the posts in a fashion common for post-and-panel construction.
Benefits of the StresTec™ post-and-panel noise walls:
- Provides a minimal ROW footprint and overhead clearance
- Unique post-to-caisson design allows for rapid construction and precise alignment.
- Superior appearance and durability of concrete posts versus typical H-Beams.
- Lighter post design and segmental units minimise heavy equipment needs.
Noise protection bunds and embankments
Geoquest also offers bunds and embankments as an option for noise mitigation. These structures are quick to build and have proven their efficiency for noise mitigation applications. Our solutions are a combination of soil reinforcement that can be geosynthetic and facing allowing for vegetation to grow and providing a natural vegetated appearance to the structure.
Sound absorbing precast barriers
Geoquest has developed customised sound absorbing precast barriers made of panels with a reinforced concrete core and a sound absorbing face oriented towards the noise source. Designers will define the right geometry and select specific materials given the project’s requirements and characteristics such as ribbed porous concrete or wood concrete.
“I have worked with Geoquest on two previous projects and both times have exceeded my expectation. I find the product easy to work with, quick for construction and a good final product, looking the part. There is a good turn around time from the Geoquest team and always have answered any queries I have had. I would definitely use them again.”
“Excellent Service, system and simple to build – would always recommend”
“The design and materials supplied by Geoquest for the new Velindre Cancer Centre bridge was excellent, providing a high-quality product at a competitive price. The technical assistance with both the design and installation was highly commendable leading to a very high standard structure upon completion.
We would thoroughly recommend Geoquest for any retained earth projects and will recommend early engagement on future projects to utilise their vast technical knowledge for value engineering.”
“Having used Geoquest for the provision of a reinforced earth wall system on a new highway scheme I found them to be very helpful and easy to work with in the run up to construction and also throughout the construction. The quality of the final product was very good and looks well now that the work is complete and open to traffic.”
“Osborne Infrastructure selected Geoquest due to their reputation and expertise. They delivered on both. They provided both the design and the fabrication of the reinforced earth abutments for the M27 Romsey Road bridge on time and within budget. Design changes due to unforeseen site conditions were dealt with efficiently with expert advice on hand to ensure we produced the right solution for our client Highways England.
I would be more than happy to recommend Geoquest and would make them my go to specialist for this type of work.”
Engineering expertise and 120 years or more of service life
Geoquest offers unrivalled engineering expertise to provide you with the best design and supply package, coupled to commercial excellence that will make your next road development project a success.
Guaranteeing long-term life duration and minimum necessity for maintenance of the infrastructure is of outmost importance, and our designs are optimised based on the service life that is required.
Speak to our team about your next project
