Cross-sea bridge refers to a large bridge connecting two lands or connecting land and island. These bridges can have important traffic functions, making the traffic between different areas more convenient and efficient. The Hong Kong-Zhuhai-Macao Bridge is a cross-sea bridge connecting China, Hong Kong, Zhuhai and Macau, with a total length of 55 kilometers, which is the longest cross-sea passage in the world.
Qingdao Bay Bridge (China) is a sea-crossing bridge connecting Shandong Peninsula and Huangdao District in China. It is the longest sea-crossing bridge in the world, with a total length of 4 1.58km. These sea-crossing bridges are facing many challenges in the design and construction process, including seabed geological conditions, wind resistance, water flow and ship traffic.
Characteristics of sea-crossing bridge
1. A feature of the sea-crossing bridge is that it crosses the sea or bay. These bridges usually connect two continents and span oceans or bays. The bridge has a long span and needs to overcome various challenges at sea, such as current, water depth and wind power.
2. The total length of the cross-sea bridge is usually very long, which can reach tens of kilometers or even longer. This is to ensure that the two connecting locations are far enough away from the coastline, avoid channel blockage and maintain navigation safety.
There are usually tall towers and solid piers on the cross-sea bridge. Bridge tower is a vertical pillar supporting the whole bridge structure, which is usually used to cross the deep water area. The pier is used to connect the bridge tower with the seabed, which enhances the stability and reliability of the bridge.