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Precast Arches by Reinforced Earth
The engineering benefits of arches have been known for thousands of years, and explored most famously by the ancient Roman Empire. Materials and methods of design have evolved over the years, but the basic principles have remained the same. The overburden load is carried along the arch from the top down to both ends, in pure compression, with zero or minimal tension in the arch member. It allows for a very efficient design of the arch span, and use of materials that typically do not have a high tensile capacity.
RECo’s arch product, TechSpan®, exhibits this efficiency in design and construction. Using reinforced precast concrete and a catalog of proven optimized shapes, RECo’s engineers design and manufacture the arch units based on the project’s loading and clearance requirements.
With accompanying retaining walls, the result is substantial load-carrying ability with minimal materials that provide efficient high-performance bridges, tunnels and other proven solutions for applications in roadways, railway, mining, military, and beyond.
- Short to medium span bridges
- Tunnels for roadway, railway, pedestrian, and mining site reclaim or access
- Culverts
- Ammunition storage facilities
- Above ground earth shelters