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Can I read Japan on EtoBox?
Japan by angthiankong is a document available to read on EtoBox.
What is Japan about?
The document discusses tunnel development in Japan and similarities between Japan and Indonesia. It notes both countries are located in subduction zones with complex geology including fault zones, making tunnel construction challenging. Japan has over 10,000 road tunnels with a total length over 4,000 km, developing various tunnel construction methods over time from manual timber to modern techniques like TBM. Safety has also improved, with annual tunnel deaths reduced from over 95 in the 1970s to around 7
- Author
- angthiankong
- Language
- EN