Armtec
Precast Tunnel Liner
Armtec’s tunnel liners are specialized precast concrete products used in large-diameter bored tunnels. These liners are manufactured to a specific design radius in a series of segments that are installed in the field to form a complete ring, supporting recently excavated soils.
Product Features
• Segment thickness, length and radius designed for specific tunnel requirements
• Consistent quality
• Durability
Typical Applications
• Transit applications (subways, light rail tunnels)
Source: http://www.armtec.com/en-ca/products-and-services/underground-and-utilities/precast-tunnel-liner.aspx
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