If you are going to repair the circular waterway inside the tunnel | Top Shield Method

A method for efficiently repairing circular water channels! Circular gutters with pedestrian and vehicle blocks are also acceptable.

Is there a place you would like to regenerate or extend the lifespan of? - Circular water channels in highway tunnels - Circular water channels with pedestrian and vehicle road blocks on top - Elevated circular water channels - Locations where replacing ditches is difficult - Areas where construction affects underground structures - Urban ditches located at sidewalk boundaries, etc. Product Overview The optimal repair method for aging circular water channels "Top Shield Method" The Top Shield Method is a repair technique that uses formwork to repair existing circular water channels (pipe-type ditches). It involves vertically cutting the deteriorated parts of the circular water channel and repairing them with a dedicated formwork (high-tensile steel residual formwork) and jet concrete. The formwork integrates with the structure without being removed. Advantages Environmental: Reduces the generation of construction waste Durability: Resistant to rust with standard specifications of molten zinc coating Workability: Shortens construction time (construction volume: approximately 20 meters per day, self-calculated) Safety: Uses high-strength high-tensile steel (high-strength steel)

Gutters and U-shaped guttersTunnel constructionRenovation and repair methods