Tunnel Lining TRIZ Cases
- Slipform Blade Foot With Hydraulic Pre-Compression for Shaft Wall Sealing
Hydraulic arc-plate displacement applies controlled pre-compression to shaft wall concrete, improving compactness and preventing water-conducting cracks.
- Zonal Bolt-Grouting Support for High-Stress Tunnel Deformation
See how prestressed bolts, zoned grouting, and expansion agents stabilize cataclastic rock in high-stress tunnels.