Concrete barriers and walls: Piano Wall™ by Reinforced Earth conveniently combines mechanically stabilised earth (MSE) wall facing elements with an integral precast concrete traffic safety barrier.
Piano Wall™ is a unique solution that enables builders to install MSE wall facing elements simultaneously with a precast concrete traffic safety/crash barrier.
This ready-to-install solution for safety concrete barriers and walls alleviates complex onsite forming of the barrier and moment slab, plus eliminates concrete curing time and onsite pour-in-situ concrete quality validation procedures. Time and cost savings on site are assured through use of the Piano Wall™ solution.
This innovative concept for concrete barriers and walls builds on the established advantages of conventional Reinforced Earth® walls, whereby combining alternating layers of controlled backfill with geosynthetic or high-adherence metallic soil reinforcements. However, in this case reinforcements are attached to full-height precast facing elements cast with a formed safety barrier. The strength and stability of a Piano Wall™ is derived from the frictional interaction between the compacted controlled backfill and the reinforcements, resulting in a permanent and predictable bond that creates a unique composite structure.
Our approach
Reinforced Earth engineers, through structural and FEM modelling will develop a pre-engineered, project-specific crash barrier cross-section based on local codes and impact load resistance requirements for your project. This concrete barrier design is seamlessly integrated with the MSE wall portion of the retaining wall design. Especially designed for projects with very low gradients, Piano Wall™ is easily adapted to site-specific geometry. Project managers oversee manufacturing, certification and delivery of the components for the duration of your project. Using the Piano Wall™ solution for composite concrete barriers and walls results in a retaining wall with a composite safety barrier that is strong and well stabilised.
Safety Applications
Piano Wall™ is ideal for low grade separations between opposite roadways and for building separations between a roadway and an adjacent non-travelled area where safety or crash barriers are needed for protection. The solution also allows for a smooth transition from lower to higher retaining walls or bridge abutments, which may be constructed as part of the same project alignment.
Piano Wall™ wall precast concrete facings can be customised with various architectural finish options. Visit our architectural gallery to view some realisations delivered around the world.
Benefits
Adaptability
Adaptability
Piano Wall™ units can be easily designed and manufactured to accommodate electrical conduits, light posts, signs, or other auxiliary fixtures including architectural features.
Jobsite simplification
Jobsite simplification
Piano Wall™ makes the need for complicated, costly, and time-consuming anchoring mechanisms for separating safety/crash barrier segments unnecessary.
Rapid production rates
Rapid production rates
The Piano Wall™ solution allows builders to achieve 3m of safety barrier and up to 10m² of retaining wall installation with a single precast concrete element.
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