The studies on The Bohai Strait Channel project has last more than 20 years by scientists. The strait is over 100 km long and the deepest water more than 80 m. The project has three choices: 1. Build the bridges along the Miaodao Archipelago by NNE; 2. Build the bridges in the South along the Miaodao Archipelago and dig the Tunnel in the North part; 3. Dig the Tunnel cross the whole of the Strait. The author had the chance to study the Jiaozhou Bay Strait Channel in Qingdao area, and visited many famous bridges and tunnels in the world. For example, Euro Tunnel, Tsugaru Strait Tunnel, Tokyo Bay Bridge etc. According the studies, We thought that : The bridge will be strongly influence by the weather, wave and war. The Tunnel will be much better than The bridge. So, we would like suggest to built an electrified railway tunnel. We should be careful to make the decision and do more researches on the Geology, Seismology, Meteorology, Oceanography etc. , and pay serious attention to the Tancheng-Lujiang Fractures where is a strong earthquake zone through the Bohai Sea by NNE.
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