Reinforced Earth offers engineered solutions for tunnels and underground structure applications.
Buried concrete arches and box tunnels
For more than 30 years, our teams have designed and furnished precast concrete arch tunnels for different types of sectors and clients. Our TechSpan® and TechBox™ solutions allow for a predictable and economic means for constructing underground tunnels. Our solutions deliver a very competitive alternative for the construction of cut and fill tunnels and underpasses, and are often used efficiently in combination with Reinforced Earth retaining walls.
Related solutions
TechSpan®
TechSpan®
Resulting from decades of research and development, TechSpan® is a buried precast concrete arch system designed to accommodate high fills, heavy live loads, and alternating loading conditions. With a small footprint and easy and quick to install, TechSpan® is ideal for mining, industrial, and railway applications, it is gaining popularity in many different markets. See the many uses of our precast arch system.
Reinforced Earth®
Reinforced Earth®
Our flagship technique, Reinforced Earth®, is based on the principle of the friction between soil and reinforcements creating a permanent and predictable bond. At the origin of all mechanically stabilized earth (MSE) walls on the market today, we are continuously perfecting this ingenious technique.