Underground Chambers TRIZ Cases
- Tunnel Side Wall Reinforcing Steel Bar Positioner
A segmented positioner system uses telescopic cylinders to adjust arm lengths for precise three-dimensional alignment of reinforcing steel bars.
- Waterproofing System with Thermoplastic Polymer and Mineral Binder
A waterproofing system combines a thermoplastic polymer layer with a mineral binder to enable heat welding for seamless installation.
- Deep Geological Caverns for Nuclear Waste Disposal
Nested drilling creates large underground caverns to isolate radioactive materials from aquifers.