| 摘要 |
PURPOSE: An underground bridge is provided to implement a bridge at low cost by utilizing both the incremental launching method(ILM) and the immersed tunneling method. CONSTITUTION: An underground bridge is constructed as follows. A girder installation bridge(100), which is manufactured from reinforced concrete on the land, is floated on the water using buoyancy and moved to the designated location. The ground of the designated location is arranged and the girder installation bridge is installed on jackets installed on the ground or connected to anchors(120) with wire cables(110). |
