Efficient Operation of City & Advanced Utilization of Underground Space!
Necessary Structure to Maintain Pleasant Passing Space for Pedestrians and Safe and Comfortable Urban Environment!
- Flexible body with steel material to be noncollapsable at earthquake or explosion
- High deformation resistance with low risk of destruction due to rapid crack, shear stress, and distortion
- Realization of high economy with long service life of structure and simple maintenance & repair (80% compared to concrete underground culvert)
- Perfect waterproof on bolt connection part with the application of PVC waterproof cap
- Available for improvement of beauty & preservation of road structure, smooth traffic passing