首页>
外国专利>
Tunnel extension for use between tunnels at stable rock mass and unstable rock mass, has heat insulation made of plastic foam, and arranged on seal at tunnel side, where heat insulation and seal are formed together
Tunnel extension for use between tunnels at stable rock mass and unstable rock mass, has heat insulation made of plastic foam, and arranged on seal at tunnel side, where heat insulation and seal are formed together
The extension has a seal against emergent rock water, and a heat insulation made of plastic foam or polyethylene or polypropylene. The heat insulation is arranged on the seal at a tunnel side, and is provided with a fire protection web (6) made of fire-proof textiles such as glass fibers and/or carbon fibers and/or ceramic fibers and/or silicon fibers and/or polycarbonate fibers. The heat insulation and the seal are formed together, and a fire protection unit is partially and/or mechanically held in the fire protection web by gluing.
展开▼
