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.

Most popular related searches

tunnel liner

large diameter tunnelling

Consistent quality
Proven strength, durability and dimensional accuracy of precast concrete

Custom fit
Segment thickness, length and radius designed for specific tunnel requirements

Assured supply
Pre-purchase and manufacture eliminates construction delays

Cost-effective
Precast tunnel segments are more economical than poured-in-place large diameter tunnels

Transit applications (subways, light rail tunnels)
Sewer and water conduits

Armtec - Precast Tunnel Liner

Product Features

Typical Applications